From 484ecc95d9cdfa8b2f7029e2f3409cf078aed4ab Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Thu, 17 May 2012 17:11:14 -0700 Subject: [PATCH] staging: comedi: cleanup all the comedi_driver 'detach' functions 1. Change the return type from int to void All the detach functions, except for the comedi usb drivers, simply return success (0). Plus, the return code is never checked in the comedi core. The comedi usb drivers do return error codes but the conditions can never happen. The first check is: if (!dev) return -EFAULT; This checks that the passed comedi_device pointer is valid. The detach function itself is called using this pointer so it MUST always be valid or there is a bug in the core: if (dev->driver) dev->driver->detach(dev); And the second check: usb = dev->private; if (!usb) return -EFAULT; The dev->private pointer is setup in the attach function to point to the probed usb device. This value could be NULL if the attach fails. But, since the comedi core is going to unload the driver anyway and does not check for errors there is no gain by returning one. After removing these checks from the comedi usb drivers the detach functions required a bit of cleanup. 2. Remove all the printk noise in the detach functions All of the printk output is really just noise. The user did a rmmod to unload the driver, we really don't need to tell them about it. Also, some of the messages are output using: dev_dbg(dev->hw_dev, ... or dev_info(dev->hw_dev, ... Unfortunately the hw_dev value is only used by drivers that are doing DMA. For most drivers this variable is going to be NULL so the output is not going to work as expected. 3. Refactor a couple static 'free_resource' functions into the detach functions. The 'free_resource' function is only being called by the detach and it makes more sense to just absorb the code. 4. Remove a couple unnecessary braces for single statements. 5. Remove unnecessary comments. Most of the comedi drivers appear to be based on the comedi skel driver and have the comments from that driver included. These comments make sense in the skel driver for reference but they don't need to be in any of the actual drivers. 6. Remove all the extra whitespace. It's not needed to make the functions any more readable. 7. Remove the now unused 'attached_successfully' variable in the cb_pcimdda driver. This variable was only used to conditionally output some driver noise during the detach. Since all the printk's have been removed this variable is no longer necessary. Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Cc: Mori Hess Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/comedidev.h | 2 +- drivers/staging/comedi/drivers/8255.c | 6 +- drivers/staging/comedi/drivers/acl7225b.c | 6 +- .../comedi/drivers/addi-data/addi_common.c | 48 ++------------ .../comedi/drivers/addi-data/addi_common.h | 2 +- drivers/staging/comedi/drivers/adl_pci6208.c | 6 +- drivers/staging/comedi/drivers/adl_pci7230.c | 6 +- drivers/staging/comedi/drivers/adl_pci7296.c | 8 +-- drivers/staging/comedi/drivers/adl_pci7432.c | 6 +- drivers/staging/comedi/drivers/adl_pci8164.c | 6 +- drivers/staging/comedi/drivers/adl_pci9111.c | 12 +--- drivers/staging/comedi/drivers/adl_pci9118.c | 4 +- drivers/staging/comedi/drivers/adq12b.c | 7 +- drivers/staging/comedi/drivers/adv_pci1710.c | 5 +- drivers/staging/comedi/drivers/adv_pci1723.c | 7 +- drivers/staging/comedi/drivers/adv_pci_dio.c | 18 +---- drivers/staging/comedi/drivers/aio_aio12_8.c | 3 +- drivers/staging/comedi/drivers/aio_iiro_16.c | 6 +- drivers/staging/comedi/drivers/amplc_dio200.c | 20 +----- drivers/staging/comedi/drivers/amplc_pc236.c | 20 +----- drivers/staging/comedi/drivers/amplc_pc263.c | 20 +----- drivers/staging/comedi/drivers/amplc_pci224.c | 12 +--- drivers/staging/comedi/drivers/amplc_pci230.c | 18 +---- drivers/staging/comedi/drivers/c6xdigio.c | 15 +---- drivers/staging/comedi/drivers/cb_das16_cs.c | 9 +-- drivers/staging/comedi/drivers/cb_pcidas.c | 18 +---- drivers/staging/comedi/drivers/cb_pcidas64.c | 12 +--- drivers/staging/comedi/drivers/cb_pcidda.c | 16 +---- drivers/staging/comedi/drivers/cb_pcidio.c | 3 +- drivers/staging/comedi/drivers/cb_pcimdas.c | 25 +------ drivers/staging/comedi/drivers/cb_pcimdda.c | 23 +------ drivers/staging/comedi/drivers/comedi_bond.c | 49 ++++++-------- .../staging/comedi/drivers/comedi_parport.c | 7 +- drivers/staging/comedi/drivers/comedi_test.c | 6 +- .../staging/comedi/drivers/contec_pci_dio.c | 6 +- drivers/staging/comedi/drivers/daqboard2000.c | 5 +- drivers/staging/comedi/drivers/das08.c | 9 +-- drivers/staging/comedi/drivers/das08.h | 2 +- drivers/staging/comedi/drivers/das16.c | 10 +-- drivers/staging/comedi/drivers/das16m1.c | 9 +-- drivers/staging/comedi/drivers/das1800.c | 8 +-- drivers/staging/comedi/drivers/das6402.c | 4 +- drivers/staging/comedi/drivers/das800.c | 8 +-- drivers/staging/comedi/drivers/dmm32at.c | 15 +---- drivers/staging/comedi/drivers/dt2801.c | 4 +- drivers/staging/comedi/drivers/dt2811.c | 6 +- drivers/staging/comedi/drivers/dt2814.c | 7 +- drivers/staging/comedi/drivers/dt2815.c | 11 +--- drivers/staging/comedi/drivers/dt2817.c | 6 +- drivers/staging/comedi/drivers/dt282x.c | 11 +--- drivers/staging/comedi/drivers/dt3000.c | 5 +- drivers/staging/comedi/drivers/dt9812.c | 4 +- drivers/staging/comedi/drivers/dyna_pci10xx.c | 4 +- drivers/staging/comedi/drivers/fl512.c | 4 +- drivers/staging/comedi/drivers/gsc_hpdi.c | 5 +- drivers/staging/comedi/drivers/icp_multi.c | 8 +-- drivers/staging/comedi/drivers/ii_pci20kc.c | 6 +- drivers/staging/comedi/drivers/jr3_pci.c | 5 +- drivers/staging/comedi/drivers/ke_counter.c | 5 +- drivers/staging/comedi/drivers/me4000.c | 6 +- drivers/staging/comedi/drivers/me_daq.c | 4 +- drivers/staging/comedi/drivers/mpc624.c | 6 +- drivers/staging/comedi/drivers/mpc8260cpm.c | 6 +- drivers/staging/comedi/drivers/multiq3.c | 6 +- drivers/staging/comedi/drivers/ni_6527.c | 8 +-- drivers/staging/comedi/drivers/ni_65xx.c | 7 +- drivers/staging/comedi/drivers/ni_660x.c | 9 +-- drivers/staging/comedi/drivers/ni_670x.c | 10 +-- drivers/staging/comedi/drivers/ni_at_a2150.c | 9 +-- drivers/staging/comedi/drivers/ni_at_ao.c | 6 +- drivers/staging/comedi/drivers/ni_atmio.c | 6 +- drivers/staging/comedi/drivers/ni_atmio16d.c | 9 +-- drivers/staging/comedi/drivers/ni_daq_700.c | 17 +---- drivers/staging/comedi/drivers/ni_daq_dio24.c | 17 +---- drivers/staging/comedi/drivers/ni_labpc.c | 7 +- drivers/staging/comedi/drivers/ni_labpc.h | 2 +- drivers/staging/comedi/drivers/ni_labpc_cs.c | 10 +-- drivers/staging/comedi/drivers/ni_mio_cs.c | 13 +--- drivers/staging/comedi/drivers/ni_pcidio.c | 5 +- drivers/staging/comedi/drivers/ni_pcimio.c | 6 +- drivers/staging/comedi/drivers/pcl711.c | 7 +- drivers/staging/comedi/drivers/pcl724.c | 8 +-- drivers/staging/comedi/drivers/pcl725.c | 6 +- drivers/staging/comedi/drivers/pcl726.c | 7 +- drivers/staging/comedi/drivers/pcl730.c | 6 +- drivers/staging/comedi/drivers/pcl812.c | 7 +- drivers/staging/comedi/drivers/pcl816.c | 62 +++++++---------- drivers/staging/comedi/drivers/pcl818.c | 66 ++++++++----------- drivers/staging/comedi/drivers/pcm3724.c | 4 +- drivers/staging/comedi/drivers/pcm3730.c | 6 +- drivers/staging/comedi/drivers/pcmad.c | 7 +- drivers/staging/comedi/drivers/pcmda12.c | 5 +- drivers/staging/comedi/drivers/pcmmio.c | 8 +-- drivers/staging/comedi/drivers/pcmuio.c | 8 +-- drivers/staging/comedi/drivers/poc.c | 7 +- .../staging/comedi/drivers/quatech_daqp_cs.c | 16 ++--- drivers/staging/comedi/drivers/rtd520.c | 33 +--------- drivers/staging/comedi/drivers/rti800.c | 7 +- drivers/staging/comedi/drivers/rti802.c | 6 +- drivers/staging/comedi/drivers/s526.c | 6 +- drivers/staging/comedi/drivers/s626.c | 8 +-- drivers/staging/comedi/drivers/serial2002.c | 4 +- drivers/staging/comedi/drivers/skel.c | 7 +- drivers/staging/comedi/drivers/ssv_dnp.c | 8 +-- drivers/staging/comedi/drivers/unioxx5.c | 4 +- drivers/staging/comedi/drivers/usbdux.c | 35 +++------- drivers/staging/comedi/drivers/usbduxfast.c | 46 ++++--------- drivers/staging/comedi/drivers/usbduxsigma.c | 36 +++------- drivers/staging/comedi/drivers/vmk80xx.c | 32 +++------ 109 files changed, 236 insertions(+), 993 deletions(-) diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h index f7f023cb95c1d..134be93eaa6dc 100644 --- a/drivers/staging/comedi/comedidev.h +++ b/drivers/staging/comedi/comedidev.h @@ -189,7 +189,7 @@ struct comedi_driver { const char *driver_name; struct module *module; int (*attach) (struct comedi_device *, struct comedi_devconfig *); - int (*detach) (struct comedi_device *); + void (*detach) (struct comedi_device *); int (*attach_pci) (struct comedi_device *, struct pci_dev *); int (*attach_usb) (struct comedi_device *, struct usb_interface *); diff --git a/drivers/staging/comedi/drivers/8255.c b/drivers/staging/comedi/drivers/8255.c index f709107e1a37d..27e39e4eb6b37 100644 --- a/drivers/staging/comedi/drivers/8255.c +++ b/drivers/staging/comedi/drivers/8255.c @@ -417,14 +417,12 @@ static int dev_8255_attach(struct comedi_device *dev, return 0; } -static int dev_8255_detach(struct comedi_device *dev) +static void dev_8255_detach(struct comedi_device *dev) { int i; unsigned long iobase; struct comedi_subdevice *s; - printk(KERN_INFO "comedi%d: 8255: remove\n", dev->minor); - for (i = 0; i < dev->n_subdevices; i++) { s = dev->subdevices + i; if (s->type != COMEDI_SUBD_UNUSED) { @@ -433,8 +431,6 @@ static int dev_8255_detach(struct comedi_device *dev) } subdev_8255_cleanup(dev, s); } - - return 0; } static struct comedi_driver dev_8255_driver = { diff --git a/drivers/staging/comedi/drivers/acl7225b.c b/drivers/staging/comedi/drivers/acl7225b.c index e5f8729e08538..4e4fc418655f4 100644 --- a/drivers/staging/comedi/drivers/acl7225b.c +++ b/drivers/staging/comedi/drivers/acl7225b.c @@ -119,14 +119,10 @@ static int acl7225b_attach(struct comedi_device *dev, return 0; } -static int acl7225b_detach(struct comedi_device *dev) +static void acl7225b_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: acl7225b: remove\n", dev->minor); - if (dev->iobase) release_region(dev->iobase, this_board->io_range); - - return 0; } static const struct boardtype boardtypes[] = { diff --git a/drivers/staging/comedi/drivers/addi-data/addi_common.c b/drivers/staging/comedi/drivers/addi-data/addi_common.c index 4c183043e0e4c..44aaf8351ba31 100644 --- a/drivers/staging/comedi/drivers/addi-data/addi_common.c +++ b/drivers/staging/comedi/drivers/addi-data/addi_common.c @@ -1839,50 +1839,22 @@ static int i_ADDI_Attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -/* -+----------------------------------------------------------------------------+ -| Function name : static int i_ADDI_Detach(struct comedi_device *dev) | -| | -| | -+----------------------------------------------------------------------------+ -| Task : Deallocates resources of the addi_common driver | -| Free the DMA buffers, unregister irq. | -| | -+----------------------------------------------------------------------------+ -| Input Parameters : struct comedi_device *dev | -| | -| | -+----------------------------------------------------------------------------+ -| Return Value : 0 | -| | -+----------------------------------------------------------------------------+ -*/ - -static int i_ADDI_Detach(struct comedi_device *dev) +static void i_ADDI_Detach(struct comedi_device *dev) { - if (dev->private) { - if (devpriv->b_ValidDriver) { + if (devpriv->b_ValidDriver) i_ADDI_Reset(dev); - } - - if (dev->irq) { + if (dev->irq) free_irq(dev->irq, dev); - } - - if ((this_board->pc_EepromChip == NULL) - || (strcmp(this_board->pc_EepromChip, - ADDIDATA_9054) != 0)) { - if (devpriv->allocated) { + if ((this_board->pc_EepromChip == NULL) || + (strcmp(this_board->pc_EepromChip, ADDIDATA_9054) != 0)) { + if (devpriv->allocated) i_pci_card_free(devpriv->amcc); - } - if (devpriv->ul_DmaBufferVirtual[0]) { free_pages((unsigned long)devpriv-> ul_DmaBufferVirtual[0], devpriv->ui_DmaBufferPages[0]); } - if (devpriv->ul_DmaBufferVirtual[1]) { free_pages((unsigned long)devpriv-> ul_DmaBufferVirtual[1], @@ -1890,20 +1862,14 @@ static int i_ADDI_Detach(struct comedi_device *dev) } } else { iounmap(devpriv->dw_AiBase); - - if (devpriv->allocated) { + if (devpriv->allocated) i_pci_card_free(devpriv->amcc); - } } - if (pci_list_builded) { - /* v_pci_card_list_cleanup(PCI_VENDOR_ID_AMCC); */ v_pci_card_list_cleanup(this_board->i_VendorId); pci_list_builded = 0; } } - - return 0; } /* diff --git a/drivers/staging/comedi/drivers/addi-data/addi_common.h b/drivers/staging/comedi/drivers/addi-data/addi_common.h index 0a153feece90f..2c3f34703dd2e 100644 --- a/drivers/staging/comedi/drivers/addi-data/addi_common.h +++ b/drivers/staging/comedi/drivers/addi-data/addi_common.h @@ -416,7 +416,7 @@ static unsigned short pci_list_builded; /* set to 1 when list of card is known * /* Function declarations */ static int i_ADDI_Attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int i_ADDI_Detach(struct comedi_device *dev); +static void i_ADDI_Detach(struct comedi_device *dev); static int i_ADDI_Reset(struct comedi_device *dev); static irqreturn_t v_ADDI_Interrupt(int irq, void *d); diff --git a/drivers/staging/comedi/drivers/adl_pci6208.c b/drivers/staging/comedi/drivers/adl_pci6208.c index f9fefef54050a..de8c68af32100 100644 --- a/drivers/staging/comedi/drivers/adl_pci6208.c +++ b/drivers/staging/comedi/drivers/adl_pci6208.c @@ -330,17 +330,13 @@ static int pci6208_attach(struct comedi_device *dev, return 1; } -static int pci6208_detach(struct comedi_device *dev) +static void pci6208_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: pci6208: remove\n", dev->minor); - if (devpriv && devpriv->pci_dev) { if (dev->iobase) comedi_pci_disable(devpriv->pci_dev); pci_dev_put(devpriv->pci_dev); } - - return 0; } static struct comedi_driver adl_pci6208_driver = { diff --git a/drivers/staging/comedi/drivers/adl_pci7230.c b/drivers/staging/comedi/drivers/adl_pci7230.c index 430ec7374c76b..e8053bc825f4f 100644 --- a/drivers/staging/comedi/drivers/adl_pci7230.c +++ b/drivers/staging/comedi/drivers/adl_pci7230.c @@ -150,17 +150,13 @@ static int adl_pci7230_attach(struct comedi_device *dev, return 1; } -static int adl_pci7230_detach(struct comedi_device *dev) +static void adl_pci7230_detach(struct comedi_device *dev) { - printk(KERN_DEBUG "comedi%d: pci7230: remove\n", dev->minor); - if (devpriv && devpriv->pci_dev) { if (dev->iobase) comedi_pci_disable(devpriv->pci_dev); pci_dev_put(devpriv->pci_dev); } - - return 0; } static struct comedi_driver adl_pci7230_driver = { diff --git a/drivers/staging/comedi/drivers/adl_pci7296.c b/drivers/staging/comedi/drivers/adl_pci7296.c index a84a384f9ab93..b4dae3b7598ba 100644 --- a/drivers/staging/comedi/drivers/adl_pci7296.c +++ b/drivers/staging/comedi/drivers/adl_pci7296.c @@ -134,25 +134,19 @@ static int adl_pci7296_attach(struct comedi_device *dev, return -EIO; } -static int adl_pci7296_detach(struct comedi_device *dev) +static void adl_pci7296_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: pci7432: remove\n", dev->minor); - if (devpriv && devpriv->pci_dev) { if (dev->iobase) comedi_pci_disable(devpriv->pci_dev); pci_dev_put(devpriv->pci_dev); } - /* detach four 8255 digital io subdevices */ if (dev->subdevices) { subdev_8255_cleanup(dev, dev->subdevices + 0); subdev_8255_cleanup(dev, dev->subdevices + 1); subdev_8255_cleanup(dev, dev->subdevices + 2); subdev_8255_cleanup(dev, dev->subdevices + 3); - } - - return 0; } static struct comedi_driver adl_pci7296_driver = { diff --git a/drivers/staging/comedi/drivers/adl_pci7432.c b/drivers/staging/comedi/drivers/adl_pci7432.c index 330be9d04b9ee..9cbfb61a44781 100644 --- a/drivers/staging/comedi/drivers/adl_pci7432.c +++ b/drivers/staging/comedi/drivers/adl_pci7432.c @@ -161,17 +161,13 @@ static int adl_pci7432_attach(struct comedi_device *dev, return -EIO; } -static int adl_pci7432_detach(struct comedi_device *dev) +static void adl_pci7432_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: pci7432: remove\n", dev->minor); - if (devpriv && devpriv->pci_dev) { if (dev->iobase) comedi_pci_disable(devpriv->pci_dev); pci_dev_put(devpriv->pci_dev); } - - return 0; } static struct comedi_driver adl_pci7432_driver = { diff --git a/drivers/staging/comedi/drivers/adl_pci8164.c b/drivers/staging/comedi/drivers/adl_pci8164.c index 9c5906bb1a15f..409ef13ad0900 100644 --- a/drivers/staging/comedi/drivers/adl_pci8164.c +++ b/drivers/staging/comedi/drivers/adl_pci8164.c @@ -314,17 +314,13 @@ static int adl_pci8164_attach(struct comedi_device *dev, return -EIO; } -static int adl_pci8164_detach(struct comedi_device *dev) +static void adl_pci8164_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: pci8164: remove\n", dev->minor); - if (devpriv && devpriv->pci_dev) { if (dev->iobase) comedi_pci_disable(devpriv->pci_dev); pci_dev_put(devpriv->pci_dev); } - - return 0; } static struct comedi_driver adl_pci8164_driver = { diff --git a/drivers/staging/comedi/drivers/adl_pci9111.c b/drivers/staging/comedi/drivers/adl_pci9111.c index 31dfd865e695a..ccfb1a52154e1 100644 --- a/drivers/staging/comedi/drivers/adl_pci9111.c +++ b/drivers/staging/comedi/drivers/adl_pci9111.c @@ -1382,29 +1382,19 @@ found: return 0; } -/* Detach */ - -static int pci9111_detach(struct comedi_device *dev) +static void pci9111_detach(struct comedi_device *dev) { - /* Reset device */ - if (dev->private != NULL) { if (dev_private->is_valid) pci9111_reset(dev); - } - /* Release previously allocated irq */ - if (dev->irq != 0) free_irq(dev->irq, dev); - if (dev_private != NULL && dev_private->pci_device != NULL) { if (dev->iobase) comedi_pci_disable(dev_private->pci_device); pci_dev_put(dev_private->pci_device); } - - return 0; } static struct comedi_driver adl_pci9111_driver = { diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c b/drivers/staging/comedi/drivers/adl_pci9118.c index dd9dfec5384ce..78645863297ba 100644 --- a/drivers/staging/comedi/drivers/adl_pci9118.c +++ b/drivers/staging/comedi/drivers/adl_pci9118.c @@ -2353,7 +2353,7 @@ static int pci9118_attach(struct comedi_device *dev, return 0; } -static int pci9118_detach(struct comedi_device *dev) +static void pci9118_detach(struct comedi_device *dev) { if (dev->private) { if (devpriv->valid) @@ -2373,8 +2373,6 @@ static int pci9118_detach(struct comedi_device *dev) free_pages((unsigned long)devpriv->dmabuf_virt[1], devpriv->dmabuf_pages[1]); } - - return 0; } static const struct boardtype boardtypes[] = { diff --git a/drivers/staging/comedi/drivers/adq12b.c b/drivers/staging/comedi/drivers/adq12b.c index 6a68d5303a185..7d585a12050f5 100644 --- a/drivers/staging/comedi/drivers/adq12b.c +++ b/drivers/staging/comedi/drivers/adq12b.c @@ -324,16 +324,11 @@ static int adq12b_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int adq12b_detach(struct comedi_device *dev) +static void adq12b_detach(struct comedi_device *dev) { if (dev->iobase) release_region(dev->iobase, ADQ12B_SIZE); - kfree(devpriv); - - printk(KERN_INFO "comedi%d: adq12b: removed\n", dev->minor); - - return 0; } static const struct adq12b_board adq12b_boards[] = { diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c index ff61dff9254a9..de8c98cfe3676 100644 --- a/drivers/staging/comedi/drivers/adv_pci1710.c +++ b/drivers/staging/comedi/drivers/adv_pci1710.c @@ -1551,7 +1551,7 @@ static int pci1710_attach(struct comedi_device *dev, return 0; } -static int pci1710_detach(struct comedi_device *dev) +static void pci1710_detach(struct comedi_device *dev) { if (dev->private) { if (devpriv->valid) @@ -1561,12 +1561,9 @@ static int pci1710_detach(struct comedi_device *dev) if (devpriv->pcidev) { if (dev->iobase) comedi_pci_disable(devpriv->pcidev); - pci_dev_put(devpriv->pcidev); } } - - return 0; } static struct comedi_driver adv_pci1710_driver = { diff --git a/drivers/staging/comedi/drivers/adv_pci1723.c b/drivers/staging/comedi/drivers/adv_pci1723.c index 6356bd8beac3a..336addcbce3a5 100644 --- a/drivers/staging/comedi/drivers/adv_pci1723.c +++ b/drivers/staging/comedi/drivers/adv_pci1723.c @@ -431,22 +431,17 @@ static int pci1723_attach(struct comedi_device *dev, return 0; } -static int pci1723_detach(struct comedi_device *dev) +static void pci1723_detach(struct comedi_device *dev) { - printk(KERN_ERR "comedi%d: pci1723: remove\n", dev->minor); - if (dev->private) { if (devpriv->valid) pci1723_reset(dev); - if (devpriv->pcidev) { if (dev->iobase) comedi_pci_disable(devpriv->pcidev); pci_dev_put(devpriv->pcidev); } } - - return 0; } static struct comedi_driver adv_pci1723_driver = { diff --git a/drivers/staging/comedi/drivers/adv_pci_dio.c b/drivers/staging/comedi/drivers/adv_pci_dio.c index 9d3868e65024e..43a32dc12cde3 100644 --- a/drivers/staging/comedi/drivers/adv_pci_dio.c +++ b/drivers/staging/comedi/drivers/adv_pci_dio.c @@ -1210,7 +1210,7 @@ static int pci_dio_attach(struct comedi_device *dev, return 0; } -static int pci_dio_detach(struct comedi_device *dev) +static void pci_dio_detach(struct comedi_device *dev) { int i, j; struct comedi_subdevice *s; @@ -1219,20 +1219,14 @@ static int pci_dio_detach(struct comedi_device *dev) if (dev->private) { if (devpriv->valid) pci_dio_reset(dev); - - - /* This shows the silliness of using this kind of - * scheme for numbering subdevices. Don't do it. --ds */ subdev = 0; for (i = 0; i < MAX_DI_SUBDEVS; i++) { if (this_board->sdi[i].chans) subdev++; - } for (i = 0; i < MAX_DO_SUBDEVS; i++) { if (this_board->sdo[i].chans) subdev++; - } for (i = 0; i < MAX_DIO_SUBDEVG; i++) { for (j = 0; j < this_board->sdio[i].regs; j++) { @@ -1241,37 +1235,27 @@ static int pci_dio_detach(struct comedi_device *dev) subdev++; } } - if (this_board->boardid.chans) subdev++; - for (i = 0; i < MAX_8254_SUBDEVS; i++) if (this_board->s8254[i].chans) subdev++; - for (i = 0; i < dev->n_subdevices; i++) { s = dev->subdevices + i; s->private = NULL; } - if (devpriv->pcidev) { if (dev->iobase) comedi_pci_disable(devpriv->pcidev); - pci_dev_put(devpriv->pcidev); } - if (devpriv->prev) devpriv->prev->next = devpriv->next; else pci_priv = devpriv->next; - if (devpriv->next) devpriv->next->prev = devpriv->prev; - } - - return 0; } static struct comedi_driver adv_pci_dio_driver = { diff --git a/drivers/staging/comedi/drivers/aio_aio12_8.c b/drivers/staging/comedi/drivers/aio_aio12_8.c index 1a28e67b366d9..64d82bc4ffe42 100644 --- a/drivers/staging/comedi/drivers/aio_aio12_8.c +++ b/drivers/staging/comedi/drivers/aio_aio12_8.c @@ -209,12 +209,11 @@ static int aio_aio12_8_attach(struct comedi_device *dev, return 0; } -static int aio_aio12_8_detach(struct comedi_device *dev) +static void aio_aio12_8_detach(struct comedi_device *dev) { subdev_8255_cleanup(dev, &dev->subdevices[2]); if (dev->iobase) release_region(dev->iobase, 24); - return 0; } static struct comedi_driver aio_aio12_8_driver = { diff --git a/drivers/staging/comedi/drivers/aio_iiro_16.c b/drivers/staging/comedi/drivers/aio_iiro_16.c index 242255c45f319..04f6f94b1f471 100644 --- a/drivers/staging/comedi/drivers/aio_iiro_16.c +++ b/drivers/staging/comedi/drivers/aio_iiro_16.c @@ -149,14 +149,10 @@ static int aio_iiro_16_attach(struct comedi_device *dev, return 1; } -static int aio_iiro_16_detach(struct comedi_device *dev) +static void aio_iiro_16_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: aio_iiro_16: remove\n", dev->minor); - if (dev->iobase) release_region(dev->iobase, AIO_IIRO_16_SIZE); - - return 0; } static struct comedi_driver aio_iiro_16_driver = { diff --git a/drivers/staging/comedi/drivers/amplc_dio200.c b/drivers/staging/comedi/drivers/amplc_dio200.c index cbfa0cd6a1d5f..c9c5d97b3ca2e 100644 --- a/drivers/staging/comedi/drivers/amplc_dio200.c +++ b/drivers/staging/comedi/drivers/amplc_dio200.c @@ -493,7 +493,7 @@ struct dio200_subdev_intr { */ static int dio200_attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int dio200_detach(struct comedi_device *dev); +static void dio200_detach(struct comedi_device *dev); static struct comedi_driver driver_amplc_dio200 = { .driver_name = DIO200_DRIVER_NAME, .module = THIS_MODULE, @@ -1518,22 +1518,11 @@ static int dio200_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 1; } -/* - * _detach is called to deconfigure a device. It should deallocate - * resources. - * This function is also called when _attach() fails, so it should be - * careful not to release resources that were not necessarily - * allocated by _attach(). dev->private and dev->subdevices are - * deallocated automatically by the core. - */ -static int dio200_detach(struct comedi_device *dev) +static void dio200_detach(struct comedi_device *dev) { const struct dio200_layout_struct *layout; unsigned n; - printk(KERN_DEBUG "comedi%d: %s: detach\n", dev->minor, - DIO200_DRIVER_NAME); - if (dev->irq) free_irq(dev->irq, dev); if (dev->subdevices) { @@ -1570,11 +1559,6 @@ static int dio200_detach(struct comedi_device *dev) #endif } } - if (dev->board_name) - printk(KERN_INFO "comedi%d: %s removed\n", - dev->minor, dev->board_name); - - return 0; } MODULE_AUTHOR("Comedi http://www.comedi.org"); diff --git a/drivers/staging/comedi/drivers/amplc_pc236.c b/drivers/staging/comedi/drivers/amplc_pc236.c index 821cf1dda5782..57ba3228b1a90 100644 --- a/drivers/staging/comedi/drivers/amplc_pc236.c +++ b/drivers/staging/comedi/drivers/amplc_pc236.c @@ -176,7 +176,7 @@ struct pc236_private { * the device code. */ static int pc236_attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int pc236_detach(struct comedi_device *dev); +static void pc236_detach(struct comedi_device *dev); static struct comedi_driver driver_amplc_pc236 = { .driver_name = PC236_DRIVER_NAME, .module = THIS_MODULE, @@ -477,21 +477,10 @@ static int pc236_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 1; } -/* - * _detach is called to deconfigure a device. It should deallocate - * resources. - * This function is also called when _attach() fails, so it should be - * careful not to release resources that were not necessarily - * allocated by _attach(). dev->private and dev->subdevices are - * deallocated automatically by the core. - */ -static int pc236_detach(struct comedi_device *dev) +static void pc236_detach(struct comedi_device *dev) { - printk(KERN_DEBUG "comedi%d: %s: detach\n", dev->minor, - PC236_DRIVER_NAME); if (devpriv) pc236_intr_disable(dev); - if (dev->irq) free_irq(dev->irq, dev); if (dev->subdevices) @@ -511,11 +500,6 @@ static int pc236_detach(struct comedi_device *dev) #endif } } - if (dev->board_name) { - printk(KERN_INFO "comedi%d: %s removed\n", - dev->minor, dev->board_name); - } - return 0; } /* diff --git a/drivers/staging/comedi/drivers/amplc_pc263.c b/drivers/staging/comedi/drivers/amplc_pc263.c index 58ef6e4cc1108..974d7450051ee 100644 --- a/drivers/staging/comedi/drivers/amplc_pc263.c +++ b/drivers/staging/comedi/drivers/amplc_pc263.c @@ -141,7 +141,7 @@ struct pc263_private { * the device code. */ static int pc263_attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int pc263_detach(struct comedi_device *dev); +static void pc263_detach(struct comedi_device *dev); static struct comedi_driver driver_amplc_pc263 = { .driver_name = PC263_DRIVER_NAME, .module = THIS_MODULE, @@ -355,19 +355,8 @@ static int pc263_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 1; } -/* - * _detach is called to deconfigure a device. It should deallocate - * resources. - * This function is also called when _attach() fails, so it should be - * careful not to release resources that were not necessarily - * allocated by _attach(). dev->private and dev->subdevices are - * deallocated automatically by the core. - */ -static int pc263_detach(struct comedi_device *dev) +static void pc263_detach(struct comedi_device *dev) { - printk(KERN_DEBUG "comedi%d: %s: detach\n", dev->minor, - PC263_DRIVER_NAME); - #ifdef CONFIG_COMEDI_AMPLC_PC263_PCI if (devpriv) #endif @@ -386,11 +375,6 @@ static int pc263_detach(struct comedi_device *dev) #endif } } - if (dev->board_name) { - printk(KERN_INFO "comedi%d: %s removed\n", - dev->minor, dev->board_name); - } - return 0; } /* diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c b/drivers/staging/comedi/drivers/amplc_pci224.c index 8b515f31cc9b7..fbf19cae87478 100644 --- a/drivers/staging/comedi/drivers/amplc_pci224.c +++ b/drivers/staging/comedi/drivers/amplc_pci224.c @@ -1522,13 +1522,10 @@ pci224_attach_pci(struct comedi_device *dev, struct pci_dev *pci_dev) return pci224_attach_common(dev, pci_dev, NULL); } -static int pci224_detach(struct comedi_device *dev) +static void pci224_detach(struct comedi_device *dev) { - printk(KERN_DEBUG "comedi%d: %s: detach\n", dev->minor, DRIVER_NAME); - if (dev->irq) free_irq(dev->irq, dev); - if (dev->subdevices) { struct comedi_subdevice *s; @@ -1543,16 +1540,9 @@ static int pci224_detach(struct comedi_device *dev) if (devpriv->pci_dev) { if (dev->iobase) comedi_pci_disable(devpriv->pci_dev); - pci_dev_put(devpriv->pci_dev); } } - if (dev->board_name) { - printk(KERN_INFO "comedi%d: %s removed\n", - dev->minor, dev->board_name); - } - - return 0; } static struct comedi_driver amplc_pci224_driver = { diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c index 2a23f158c2889..d4c80b1281f2a 100644 --- a/drivers/staging/comedi/drivers/amplc_pci230.c +++ b/drivers/staging/comedi/drivers/amplc_pci230.c @@ -937,35 +937,19 @@ static int pci230_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 1; } -/* - * _detach is called to deconfigure a device. It should deallocate - * resources. - * This function is also called when _attach() fails, so it should be - * careful not to release resources that were not necessarily - * allocated by _attach(). dev->private and dev->subdevices are - * deallocated automatically by the core. - */ -static int pci230_detach(struct comedi_device *dev) +static void pci230_detach(struct comedi_device *dev) { - printk("comedi%d: amplc_pci230: remove\n", dev->minor); - if (dev->subdevices && thisboard->have_dio) - /* Clean up dio subdevice. */ subdev_8255_cleanup(dev, dev->subdevices + 2); - if (dev->irq) free_irq(dev->irq, dev); - if (devpriv) { if (devpriv->pci_dev) { if (dev->iobase) comedi_pci_disable(devpriv->pci_dev); - pci_dev_put(devpriv->pci_dev); } } - - return 0; } static int get_resources(struct comedi_device *dev, unsigned int res_mask, diff --git a/drivers/staging/comedi/drivers/c6xdigio.c b/drivers/staging/comedi/drivers/c6xdigio.c index 56dd33ae0d5b0..fb9951a746a6c 100644 --- a/drivers/staging/comedi/drivers/c6xdigio.c +++ b/drivers/staging/comedi/drivers/c6xdigio.c @@ -397,10 +397,6 @@ static void board_init(struct comedi_device *dev) } -/* static void board_halt(struct comedi_device *dev) { */ -/* C6X_pwmInit(dev->iobase); */ -/* } */ - /* options[0] - I/O port options[1] - irq @@ -490,22 +486,13 @@ static int c6xdigio_attach(struct comedi_device *dev, return 0; } -static int c6xdigio_detach(struct comedi_device *dev) +static void c6xdigio_detach(struct comedi_device *dev) { - /* board_halt(dev); may not need this */ - - printk(KERN_DEBUG "comedi%d: c6xdigio: remove\n", dev->minor); - if (dev->iobase) release_region(dev->iobase, C6XDIGIO_SIZE); - - /* Not using IRQ so I am not sure if I need this */ if (dev->irq) free_irq(dev->irq, dev); - pnp_unregister_driver(&c6xdigio_pnp_driver); - - return 0; } static struct comedi_driver c6xdigio_driver = { diff --git a/drivers/staging/comedi/drivers/cb_das16_cs.c b/drivers/staging/comedi/drivers/cb_das16_cs.c index 49404f49f7b7d..35159235a1b6e 100644 --- a/drivers/staging/comedi/drivers/cb_das16_cs.c +++ b/drivers/staging/comedi/drivers/cb_das16_cs.c @@ -91,7 +91,7 @@ struct das16cs_private { static int das16cs_attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int das16cs_detach(struct comedi_device *dev); +static void das16cs_detach(struct comedi_device *dev); static struct comedi_driver driver_das16cs = { .driver_name = "cb_das16_cs", .module = THIS_MODULE, @@ -255,15 +255,10 @@ static int das16cs_attach(struct comedi_device *dev, return 1; } -static int das16cs_detach(struct comedi_device *dev) +static void das16cs_detach(struct comedi_device *dev) { - dev_dbg(dev->hw_dev, "comedi%d: das16cs: remove\n", dev->minor); - if (dev->irq) free_irq(dev->irq, dev); - - - return 0; } static irqreturn_t das16cs_interrupt(int irq, void *d) diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c b/drivers/staging/comedi/drivers/cb_pcidas.c index 7e119104480fa..ee9e084bb96cd 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas.c +++ b/drivers/staging/comedi/drivers/cb_pcidas.c @@ -726,26 +726,12 @@ found: return 1; } -/* - * cb_pcidas_detach is called to deconfigure a device. It should deallocate - * resources. - * This function is also called when _attach() fails, so it should be - * careful not to release resources that were not necessarily - * allocated by _attach(). dev->private and dev->subdevices are - * deallocated automatically by the core. - */ -static int cb_pcidas_detach(struct comedi_device *dev) +static void cb_pcidas_detach(struct comedi_device *dev) { - if (devpriv) { if (devpriv->s5933_config) { - /* disable and clear interrupts on amcc s5933 */ outl(INTCSR_INBOX_INTR_STATUS, devpriv->s5933_config + AMCC_OP_REG_INTCSR); -#ifdef CB_PCIDAS_DEBUG - dev_dbg(dev->hw_dev, "detaching, incsr is 0x%x\n", - inl(devpriv->s5933_config + AMCC_OP_REG_INTCSR)); -#endif } } if (dev->irq) @@ -757,8 +743,6 @@ static int cb_pcidas_detach(struct comedi_device *dev) comedi_pci_disable(devpriv->pci_dev); pci_dev_put(devpriv->pci_dev); } - - return 0; } /* diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c index bea5120efd85e..9d0b8754ff5b5 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas64.c +++ b/drivers/staging/comedi/drivers/cb_pcidas64.c @@ -1790,15 +1790,7 @@ static int attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -/* - * _detach is called to deconfigure a device. It should deallocate - * resources. - * This function is also called when _attach() fails, so it should be - * careful not to release resources that were not necessarily - * allocated by _attach(). dev->private and dev->subdevices are - * deallocated automatically by the core. - */ -static int detach(struct comedi_device *dev) +static void detach(struct comedi_device *dev) { unsigned int i; @@ -1860,8 +1852,6 @@ static int detach(struct comedi_device *dev) } if (dev->subdevices) subdev_8255_cleanup(dev, dev->subdevices + 4); - - return 0; } static int ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, diff --git a/drivers/staging/comedi/drivers/cb_pcidda.c b/drivers/staging/comedi/drivers/cb_pcidda.c index 31b21aa7c11dd..25ebca11eadc5 100644 --- a/drivers/staging/comedi/drivers/cb_pcidda.c +++ b/drivers/staging/comedi/drivers/cb_pcidda.c @@ -374,19 +374,8 @@ found: return 1; } -/* - * _detach is called to deconfigure a device. It should deallocate - * resources. - * This function is also called when _attach() fails, so it should be - * careful not to release resources that were not necessarily - * allocated by _attach(). dev->private and dev->subdevices are - * deallocated automatically by the core. - */ -static int cb_pcidda_detach(struct comedi_device *dev) +static void cb_pcidda_detach(struct comedi_device *dev) { -/* - * Deallocate the I/O ports. - */ if (devpriv) { if (devpriv->pci_dev) { if (devpriv->dac) @@ -394,13 +383,10 @@ static int cb_pcidda_detach(struct comedi_device *dev) pci_dev_put(devpriv->pci_dev); } } - /* cleanup 8255 */ if (dev->subdevices) { subdev_8255_cleanup(dev, dev->subdevices + 1); subdev_8255_cleanup(dev, dev->subdevices + 2); } - - return 0; } /* diff --git a/drivers/staging/comedi/drivers/cb_pcidio.c b/drivers/staging/comedi/drivers/cb_pcidio.c index 47a2c9b1d219a..713132c8dbb5c 100644 --- a/drivers/staging/comedi/drivers/cb_pcidio.c +++ b/drivers/staging/comedi/drivers/cb_pcidio.c @@ -195,7 +195,7 @@ found: return 1; } -static int pcidio_detach(struct comedi_device *dev) +static void pcidio_detach(struct comedi_device *dev) { if (devpriv) { if (devpriv->pci_dev) { @@ -209,7 +209,6 @@ static int pcidio_detach(struct comedi_device *dev) for (i = 0; i < thisboard->n_8255; i++) subdev_8255_cleanup(dev, dev->subdevices + i); } - return 0; } static struct comedi_driver cb_pcidio_driver = { diff --git a/drivers/staging/comedi/drivers/cb_pcimdas.c b/drivers/staging/comedi/drivers/cb_pcimdas.c index 31541e1c97b40..5f834d02ec242 100644 --- a/drivers/staging/comedi/drivers/cb_pcimdas.c +++ b/drivers/staging/comedi/drivers/cb_pcimdas.c @@ -310,29 +310,8 @@ found: return 1; } -/* - * _detach is called to deconfigure a device. It should deallocate - * resources. - * This function is also called when _attach() fails, so it should be - * careful not to release resources that were not necessarily - * allocated by _attach(). dev->private and dev->subdevices are - * deallocated automatically by the core. - */ -static int cb_pcimdas_detach(struct comedi_device *dev) +static void cb_pcimdas_detach(struct comedi_device *dev) { - if (devpriv) { - dev_dbg(dev->hw_dev, "devpriv->BADR0 = 0x%lx\n", - devpriv->BADR0); - dev_dbg(dev->hw_dev, "devpriv->BADR1 = 0x%lx\n", - devpriv->BADR1); - dev_dbg(dev->hw_dev, "devpriv->BADR2 = 0x%lx\n", - devpriv->BADR2); - dev_dbg(dev->hw_dev, "devpriv->BADR3 = 0x%lx\n", - devpriv->BADR3); - dev_dbg(dev->hw_dev, "devpriv->BADR4 = 0x%lx\n", - devpriv->BADR4); - } - if (dev->irq) free_irq(dev->irq, dev); if (devpriv) { @@ -342,8 +321,6 @@ static int cb_pcimdas_detach(struct comedi_device *dev) pci_dev_put(devpriv->pci_dev); } } - - return 0; } /* diff --git a/drivers/staging/comedi/drivers/cb_pcimdda.c b/drivers/staging/comedi/drivers/cb_pcimdda.c index 857d0c3dd5183..b339685e234d6 100644 --- a/drivers/staging/comedi/drivers/cb_pcimdda.c +++ b/drivers/staging/comedi/drivers/cb_pcimdda.c @@ -150,7 +150,6 @@ struct board_private_struct { unsigned long registers; /* set by probe */ unsigned long dio_registers; char attached_to_8255; /* boolean */ - char attached_successfully; /* boolean */ /* would be useful for a PCI device */ struct pci_dev *pci_dev; @@ -283,44 +282,24 @@ static int attach(struct comedi_device *dev, struct comedi_devconfig *it) s->type = COMEDI_SUBD_UNUSED; } - devpriv->attached_successfully = 1; - printk("attached\n"); return 1; } -/* - * _detach is called to deconfigure a device. It should deallocate - * resources. - * This function is also called when _attach() fails, so it should be - * careful not to release resources that were not necessarily - * allocated by _attach(). dev->private and dev->subdevices are - * deallocated automatically by the core. - */ -static int detach(struct comedi_device *dev) +static void detach(struct comedi_device *dev) { if (devpriv) { - if (dev->subdevices && devpriv->attached_to_8255) { - /* de-register us from the 8255 driver */ subdev_8255_cleanup(dev, dev->subdevices + 2); devpriv->attached_to_8255 = 0; } - if (devpriv->pci_dev) { if (devpriv->registers) comedi_pci_disable(devpriv->pci_dev); pci_dev_put(devpriv->pci_dev); } - - if (devpriv->attached_successfully && thisboard) - printk("comedi%d: %s: detached\n", dev->minor, - thisboard->name); - } - - return 0; } static int ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s, diff --git a/drivers/staging/comedi/drivers/comedi_bond.c b/drivers/staging/comedi/drivers/comedi_bond.c index 4507bab1f14c7..29412de06c31d 100644 --- a/drivers/staging/comedi/drivers/comedi_bond.c +++ b/drivers/staging/comedi/drivers/comedi_bond.c @@ -332,30 +332,6 @@ static int doDevConfig(struct comedi_device *dev, struct comedi_devconfig *it) return 1; } -static void doDevUnconfig(struct comedi_device *dev) -{ - unsigned long devs_closed = 0; - - if (devpriv) { - while (devpriv->ndevs-- && devpriv->devs) { - struct BondedDevice *bdev; - - bdev = devpriv->devs[devpriv->ndevs]; - if (!bdev) - continue; - if (!(devs_closed & (0x1 << bdev->minor))) { - comedi_close(bdev->dev); - devs_closed |= (0x1 << bdev->minor); - } - kfree(bdev); - } - kfree(devpriv->devs); - devpriv->devs = NULL; - kfree(devpriv); - dev->private = NULL; - } -} - static int bonding_attach(struct comedi_device *dev, struct comedi_devconfig *it) { @@ -406,11 +382,28 @@ static int bonding_attach(struct comedi_device *dev, return 1; } -static int bonding_detach(struct comedi_device *dev) +static void bonding_detach(struct comedi_device *dev) { - LOG_MSG("comedi%d: remove\n", dev->minor); - doDevUnconfig(dev); - return 0; + unsigned long devs_closed = 0; + + if (devpriv) { + while (devpriv->ndevs-- && devpriv->devs) { + struct BondedDevice *bdev; + + bdev = devpriv->devs[devpriv->ndevs]; + if (!bdev) + continue; + if (!(devs_closed & (0x1 << bdev->minor))) { + comedi_close(bdev->dev); + devs_closed |= (0x1 << bdev->minor); + } + kfree(bdev); + } + kfree(devpriv->devs); + devpriv->devs = NULL; + kfree(devpriv); + dev->private = NULL; + } } static const struct BondingBoard bondingBoards[] = { diff --git a/drivers/staging/comedi/drivers/comedi_parport.c b/drivers/staging/comedi/drivers/comedi_parport.c index 117211430070f..bff5dcd761073 100644 --- a/drivers/staging/comedi/drivers/comedi_parport.c +++ b/drivers/staging/comedi/drivers/comedi_parport.c @@ -372,17 +372,12 @@ static int parport_attach(struct comedi_device *dev, return 1; } -static int parport_detach(struct comedi_device *dev) +static void parport_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: parport: remove\n", dev->minor); - if (dev->iobase) release_region(dev->iobase, PARPORT_SIZE); - if (dev->irq) free_irq(dev->irq, dev); - - return 0; } static struct comedi_driver parport_driver = { diff --git a/drivers/staging/comedi/drivers/comedi_test.c b/drivers/staging/comedi/drivers/comedi_test.c index 6594046c1c62c..873e37450bba0 100644 --- a/drivers/staging/comedi/drivers/comedi_test.c +++ b/drivers/staging/comedi/drivers/comedi_test.c @@ -494,14 +494,10 @@ static int waveform_attach(struct comedi_device *dev, return 1; } -static int waveform_detach(struct comedi_device *dev) +static void waveform_detach(struct comedi_device *dev) { - printk("comedi%d: comedi_test: remove\n", dev->minor); - if (dev->private) waveform_ai_cancel(dev, dev->read_subdev); - - return 0; } static const struct waveform_board waveform_boards[] = { diff --git a/drivers/staging/comedi/drivers/contec_pci_dio.c b/drivers/staging/comedi/drivers/contec_pci_dio.c index 9dc3a92b569ef..b8bac80f2baf5 100644 --- a/drivers/staging/comedi/drivers/contec_pci_dio.c +++ b/drivers/staging/comedi/drivers/contec_pci_dio.c @@ -169,17 +169,13 @@ static int contec_attach(struct comedi_device *dev, struct comedi_devconfig *it) return -EIO; } -static int contec_detach(struct comedi_device *dev) +static void contec_detach(struct comedi_device *dev) { - printk("comedi%d: contec: remove\n", dev->minor); - if (devpriv && devpriv->pci_dev) { if (dev->iobase) comedi_pci_disable(devpriv->pci_dev); pci_dev_put(devpriv->pci_dev); } - - return 0; } static struct comedi_driver contec_pci_dio_driver = { diff --git a/drivers/staging/comedi/drivers/daqboard2000.c b/drivers/staging/comedi/drivers/daqboard2000.c index dc974ce24ebf5..696b58ca2e597 100644 --- a/drivers/staging/comedi/drivers/daqboard2000.c +++ b/drivers/staging/comedi/drivers/daqboard2000.c @@ -836,14 +836,12 @@ out: return result; } -static int daqboard2000_detach(struct comedi_device *dev) +static void daqboard2000_detach(struct comedi_device *dev) { if (dev->subdevices) subdev_8255_cleanup(dev, dev->subdevices + 2); - if (dev->irq) free_irq(dev->irq, dev); - if (devpriv) { if (devpriv->daq) iounmap(devpriv->daq); @@ -855,7 +853,6 @@ static int daqboard2000_detach(struct comedi_device *dev) pci_dev_put(devpriv->pci_dev); } } - return 0; } static struct comedi_driver daqboard2000_driver = { diff --git a/drivers/staging/comedi/drivers/das08.c b/drivers/staging/comedi/drivers/das08.c index 575c5cc31176c..1f319435e23f9 100644 --- a/drivers/staging/comedi/drivers/das08.c +++ b/drivers/staging/comedi/drivers/das08.c @@ -1079,15 +1079,10 @@ static int das08_attach(struct comedi_device *dev, struct comedi_devconfig *it) } #endif /* DO_COMEDI_DRIVER_REGISTER */ - -int das08_common_detach(struct comedi_device *dev) +void das08_common_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: das08: remove\n", dev->minor); - if (dev->subdevices) subdev_8255_cleanup(dev, dev->subdevices + 4); - - /* deallocate ioports for non-pcmcia, non-pci boards */ if ((thisboard->bustype != pcmcia) && (thisboard->bustype != pci)) { if (dev->iobase) release_region(dev->iobase, thisboard->iosize); @@ -1102,8 +1097,6 @@ int das08_common_detach(struct comedi_device *dev) } } #endif - - return 0; } EXPORT_SYMBOL_GPL(das08_common_detach); diff --git a/drivers/staging/comedi/drivers/das08.h b/drivers/staging/comedi/drivers/das08.h index 2a30d764ddfc7..0b92f24b261f2 100644 --- a/drivers/staging/comedi/drivers/das08.h +++ b/drivers/staging/comedi/drivers/das08.h @@ -74,6 +74,6 @@ struct das08_private_struct { extern struct das08_board_struct das08_cs_boards[NUM_DAS08_CS_BOARDS]; int das08_common_attach(struct comedi_device *dev, unsigned long iobase); -int das08_common_detach(struct comedi_device *dev); +void das08_common_detach(struct comedi_device *dev); #endif /* _DAS08_H */ diff --git a/drivers/staging/comedi/drivers/das16.c b/drivers/staging/comedi/drivers/das16.c index 73c0a2d149d67..998444c1ba324 100644 --- a/drivers/staging/comedi/drivers/das16.c +++ b/drivers/staging/comedi/drivers/das16.c @@ -1362,15 +1362,11 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int das16_detach(struct comedi_device *dev) +static void das16_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: das16: remove\n", dev->minor); - das16_reset(dev); - if (dev->subdevices) subdev_8255_cleanup(dev, dev->subdevices + 4); - if (devpriv) { int i; for (i = 0; i < 2; i++) { @@ -1385,10 +1381,8 @@ static int das16_detach(struct comedi_device *dev) kfree(devpriv->user_ai_range_table); kfree(devpriv->user_ao_range_table); } - if (dev->irq) free_irq(dev->irq, dev); - if (dev->iobase) { if (thisboard->size < 0x400) { release_region(dev->iobase, thisboard->size); @@ -1398,8 +1392,6 @@ static int das16_detach(struct comedi_device *dev) thisboard->size & 0x3ff); } } - - return 0; } static const struct das16_board das16_boards[] = { diff --git a/drivers/staging/comedi/drivers/das16m1.c b/drivers/staging/comedi/drivers/das16m1.c index b22382e36eaa9..d2e1490cd8081 100644 --- a/drivers/staging/comedi/drivers/das16m1.c +++ b/drivers/staging/comedi/drivers/das16m1.c @@ -703,23 +703,16 @@ static int das16m1_attach(struct comedi_device *dev, return 0; } -static int das16m1_detach(struct comedi_device *dev) +static void das16m1_detach(struct comedi_device *dev) { - -/* das16m1_reset(dev); */ - if (dev->subdevices) subdev_8255_cleanup(dev, dev->subdevices + 3); - if (dev->irq) free_irq(dev->irq, dev); - if (dev->iobase) { release_region(dev->iobase, DAS16M1_SIZE); release_region(dev->iobase + DAS16M1_82C55, DAS16M1_SIZE2); } - - return 0; } static const struct das16m1_board das16m1_boards[] = { diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c index 0b1f499dea3a1..2ac344354c1de 100644 --- a/drivers/staging/comedi/drivers/das1800.c +++ b/drivers/staging/comedi/drivers/das1800.c @@ -767,9 +767,8 @@ static int das1800_attach(struct comedi_device *dev, return 0; }; -static int das1800_detach(struct comedi_device *dev) +static void das1800_detach(struct comedi_device *dev) { - /* only free stuff if it has been allocated by _attach */ if (dev->iobase) release_region(dev->iobase, DAS1800_SIZE); if (dev->irq) @@ -784,11 +783,6 @@ static int das1800_detach(struct comedi_device *dev) kfree(devpriv->ai_buf0); kfree(devpriv->ai_buf1); } - - dev_dbg(dev->hw_dev, "comedi%d: %s: remove\n", dev->minor, - dev->driver->driver_name); - - return 0; }; /* probes and checks das-1800 series board type diff --git a/drivers/staging/comedi/drivers/das6402.c b/drivers/staging/comedi/drivers/das6402.c index 889527dcf7b86..881f392d1dba2 100644 --- a/drivers/staging/comedi/drivers/das6402.c +++ b/drivers/staging/comedi/drivers/das6402.c @@ -327,14 +327,12 @@ static int das6402_attach(struct comedi_device *dev, return 0; } -static int das6402_detach(struct comedi_device *dev) +static void das6402_detach(struct comedi_device *dev) { if (dev->irq) free_irq(dev->irq, dev); if (dev->iobase) release_region(dev->iobase, DAS6402_SIZE); - - return 0; } static struct comedi_driver das6402_driver = { diff --git a/drivers/staging/comedi/drivers/das800.c b/drivers/staging/comedi/drivers/das800.c index 6e347b40fe61a..a3a54e1c5c988 100644 --- a/drivers/staging/comedi/drivers/das800.c +++ b/drivers/staging/comedi/drivers/das800.c @@ -245,7 +245,7 @@ struct das800_private { static int das800_attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int das800_detach(struct comedi_device *dev); +static void das800_detach(struct comedi_device *dev); static int das800_cancel(struct comedi_device *dev, struct comedi_subdevice *s); static struct comedi_driver driver_das800 = { @@ -556,16 +556,12 @@ static int das800_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; }; -static int das800_detach(struct comedi_device *dev) +static void das800_detach(struct comedi_device *dev) { - dev_info(dev->hw_dev, "comedi%d: das800: remove\n", dev->minor); - - /* only free stuff if it has been allocated by _attach */ if (dev->iobase) release_region(dev->iobase, DAS800_SIZE); if (dev->irq) free_irq(dev->irq, dev); - return 0; }; static int das800_cancel(struct comedi_device *dev, struct comedi_subdevice *s) diff --git a/drivers/staging/comedi/drivers/dmm32at.c b/drivers/staging/comedi/drivers/dmm32at.c index 2b4e6e6eb8250..83828903db4b7 100644 --- a/drivers/staging/comedi/drivers/dmm32at.c +++ b/drivers/staging/comedi/drivers/dmm32at.c @@ -224,7 +224,7 @@ struct dmm32at_private { */ static int dmm32at_attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int dmm32at_detach(struct comedi_device *dev); +static void dmm32at_detach(struct comedi_device *dev); static struct comedi_driver driver_dmm32at = { .driver_name = "dmm32at", .module = THIS_MODULE, @@ -450,23 +450,12 @@ static int dmm32at_attach(struct comedi_device *dev, } -/* - * _detach is called to deconfigure a device. It should deallocate - * resources. - * This function is also called when _attach() fails, so it should be - * careful not to release resources that were not necessarily - * allocated by _attach(). dev->private and dev->subdevices are - * deallocated automatically by the core. - */ -static int dmm32at_detach(struct comedi_device *dev) +static void dmm32at_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: dmm32at: remove\n", dev->minor); if (dev->irq) free_irq(dev->irq, dev); if (dev->iobase) release_region(dev->iobase, DMM32AT_MEMSIZE); - - return 0; } /* diff --git a/drivers/staging/comedi/drivers/dt2801.c b/drivers/staging/comedi/drivers/dt2801.c index 7aafd850d2748..625bd617a8e9d 100644 --- a/drivers/staging/comedi/drivers/dt2801.c +++ b/drivers/staging/comedi/drivers/dt2801.c @@ -693,12 +693,10 @@ out: return ret; } -static int dt2801_detach(struct comedi_device *dev) +static void dt2801_detach(struct comedi_device *dev) { if (dev->iobase) release_region(dev->iobase, DT2801_IOSIZE); - - return 0; } static struct comedi_driver dt2801_driver = { diff --git a/drivers/staging/comedi/drivers/dt2811.c b/drivers/staging/comedi/drivers/dt2811.c index 22924262e0214..106ffea30b951 100644 --- a/drivers/staging/comedi/drivers/dt2811.c +++ b/drivers/staging/comedi/drivers/dt2811.c @@ -571,16 +571,12 @@ static int dt2811_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int dt2811_detach(struct comedi_device *dev) +static void dt2811_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: dt2811: remove\n", dev->minor); - if (dev->irq) free_irq(dev->irq, dev); if (dev->iobase) release_region(dev->iobase, DT2811_SIZE); - - return 0; } static const struct dt2811_board boardtypes[] = { diff --git a/drivers/staging/comedi/drivers/dt2814.c b/drivers/staging/comedi/drivers/dt2814.c index a935e9c68dc8b..fa4ade61be5f2 100644 --- a/drivers/staging/comedi/drivers/dt2814.c +++ b/drivers/staging/comedi/drivers/dt2814.c @@ -361,17 +361,12 @@ static int dt2814_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int dt2814_detach(struct comedi_device *dev) +static void dt2814_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: dt2814: remove\n", dev->minor); - if (dev->irq) free_irq(dev->irq, dev); - if (dev->iobase) release_region(dev->iobase, DT2814_SIZE); - - return 0; } static struct comedi_driver dt2814_driver = { diff --git a/drivers/staging/comedi/drivers/dt2815.c b/drivers/staging/comedi/drivers/dt2815.c index 152959c964086..bbab712be4b99 100644 --- a/drivers/staging/comedi/drivers/dt2815.c +++ b/drivers/staging/comedi/drivers/dt2815.c @@ -227,21 +227,12 @@ static int dt2815_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static void dt2815_free_resources(struct comedi_device *dev) +static void dt2815_detach(struct comedi_device *dev) { if (dev->iobase) release_region(dev->iobase, DT2815_SIZE); } -static int dt2815_detach(struct comedi_device *dev) -{ - printk(KERN_INFO "comedi%d: dt2815: remove\n", dev->minor); - - dt2815_free_resources(dev); - - return 0; -} - static struct comedi_driver dt2815_driver = { .driver_name = "dt2815", .module = THIS_MODULE, diff --git a/drivers/staging/comedi/drivers/dt2817.c b/drivers/staging/comedi/drivers/dt2817.c index d8149f4bf0088..1ee10e7bf1d23 100644 --- a/drivers/staging/comedi/drivers/dt2817.c +++ b/drivers/staging/comedi/drivers/dt2817.c @@ -159,14 +159,10 @@ static int dt2817_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int dt2817_detach(struct comedi_device *dev) +static void dt2817_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: dt2817: remove\n", dev->minor); - if (dev->iobase) release_region(dev->iobase, DT2817_SIZE); - - return 0; } static struct comedi_driver dt2817_driver = { diff --git a/drivers/staging/comedi/drivers/dt282x.c b/drivers/staging/comedi/drivers/dt282x.c index 461a056f21ef9..736d8facaee86 100644 --- a/drivers/staging/comedi/drivers/dt282x.c +++ b/drivers/staging/comedi/drivers/dt282x.c @@ -1331,7 +1331,7 @@ static int dt282x_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static void free_resources(struct comedi_device *dev) +static void dt282x_detach(struct comedi_device *dev) { if (dev->irq) free_irq(dev->irq, dev); @@ -1349,15 +1349,6 @@ static void free_resources(struct comedi_device *dev) } } -static int dt282x_detach(struct comedi_device *dev) -{ - printk(KERN_INFO "comedi%d: dt282x: remove\n", dev->minor); - - free_resources(dev); - - return 0; -} - static const struct dt282x_board boardtypes[] = { { .name = "dt2821", diff --git a/drivers/staging/comedi/drivers/dt3000.c b/drivers/staging/comedi/drivers/dt3000.c index 6d113cdee9649..0d273269b5724 100644 --- a/drivers/staging/comedi/drivers/dt3000.c +++ b/drivers/staging/comedi/drivers/dt3000.c @@ -944,11 +944,10 @@ static int dt3000_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int dt3000_detach(struct comedi_device *dev) +static void dt3000_detach(struct comedi_device *dev) { if (dev->irq) free_irq(dev->irq, dev); - if (devpriv) { if (devpriv->pci_dev) { if (devpriv->phys_addr) @@ -958,8 +957,6 @@ static int dt3000_detach(struct comedi_device *dev) if (devpriv->io_addr) iounmap(devpriv->io_addr); } - - return 0; } static struct comedi_driver dt3000_driver = { diff --git a/drivers/staging/comedi/drivers/dt9812.c b/drivers/staging/comedi/drivers/dt9812.c index cd3a44a0bfcc0..22cda5c76ce46 100644 --- a/drivers/staging/comedi/drivers/dt9812.c +++ b/drivers/staging/comedi/drivers/dt9812.c @@ -1111,9 +1111,9 @@ static int dt9812_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int dt9812_detach(struct comedi_device *dev) +static void dt9812_detach(struct comedi_device *dev) { - return 0; + /* Nothing to cleanup */ } static struct comedi_driver dt9812_comedi_driver = { diff --git a/drivers/staging/comedi/drivers/dyna_pci10xx.c b/drivers/staging/comedi/drivers/dyna_pci10xx.c index 23375deb3f300..b0cec7b1b0c94 100644 --- a/drivers/staging/comedi/drivers/dyna_pci10xx.c +++ b/drivers/staging/comedi/drivers/dyna_pci10xx.c @@ -387,14 +387,12 @@ found: return 1; } -static int dyna_pci10xx_detach(struct comedi_device *dev) +static void dyna_pci10xx_detach(struct comedi_device *dev) { if (devpriv && devpriv->pci_dev) { comedi_pci_disable(devpriv->pci_dev); mutex_destroy(&devpriv->mutex); } - - return 0; } static struct comedi_driver dyna_pci10xx_driver = { diff --git a/drivers/staging/comedi/drivers/fl512.c b/drivers/staging/comedi/drivers/fl512.c index 25fed75b08b71..d23814450b403 100644 --- a/drivers/staging/comedi/drivers/fl512.c +++ b/drivers/staging/comedi/drivers/fl512.c @@ -174,12 +174,10 @@ static int fl512_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 1; } -static int fl512_detach(struct comedi_device *dev) +static void fl512_detach(struct comedi_device *dev) { if (dev->iobase) release_region(dev->iobase, FL512_SIZE); - printk(KERN_INFO "comedi%d: fl512: dummy i detach\n", dev->minor); - return 0; } static struct comedi_driver fl512_driver = { diff --git a/drivers/staging/comedi/drivers/gsc_hpdi.c b/drivers/staging/comedi/drivers/gsc_hpdi.c index 3195022fc6f50..8aece08bd0ddf 100644 --- a/drivers/staging/comedi/drivers/gsc_hpdi.c +++ b/drivers/staging/comedi/drivers/gsc_hpdi.c @@ -664,12 +664,10 @@ static int hpdi_attach(struct comedi_device *dev, struct comedi_devconfig *it) return init_hpdi(dev); } -static int hpdi_detach(struct comedi_device *dev) +static void hpdi_detach(struct comedi_device *dev) { unsigned int i; - printk(KERN_WARNING "comedi%d: gsc_hpdi: remove\n", dev->minor); - if (dev->irq) free_irq(dev->irq, dev); if ((priv(dev)) && (priv(dev)->hw_dev)) { @@ -702,7 +700,6 @@ static int hpdi_detach(struct comedi_device *dev) comedi_pci_disable(priv(dev)->hw_dev); pci_dev_put(priv(dev)->hw_dev); } - return 0; } static int dio_config_block_size(struct comedi_device *dev, unsigned int *data) diff --git a/drivers/staging/comedi/drivers/icp_multi.c b/drivers/staging/comedi/drivers/icp_multi.c index 0f63fc04b5fd3..fdc596fb0990f 100644 --- a/drivers/staging/comedi/drivers/icp_multi.c +++ b/drivers/staging/comedi/drivers/icp_multi.c @@ -1007,25 +1007,19 @@ static int icp_multi_attach(struct comedi_device *dev, return 0; } -static int icp_multi_detach(struct comedi_device *dev) +static void icp_multi_detach(struct comedi_device *dev) { if (dev->private) if (devpriv->valid) icp_multi_reset(dev); - if (dev->irq) free_irq(dev->irq, dev); - if (dev->private && devpriv->io_addr) iounmap(devpriv->io_addr); - if (dev->private && devpriv->card) pci_card_free(devpriv->card); - if (--pci_list_builded == 0) pci_card_list_cleanup(PCI_VENDOR_ID_ICP); - - return 0; } static const struct boardtype boardtypes[] = { diff --git a/drivers/staging/comedi/drivers/ii_pci20kc.c b/drivers/staging/comedi/drivers/ii_pci20kc.c index 6b1b5c88ca884..f0a579a04a7d5 100644 --- a/drivers/staging/comedi/drivers/ii_pci20kc.c +++ b/drivers/staging/comedi/drivers/ii_pci20kc.c @@ -264,11 +264,9 @@ static int pci20xxx_attach(struct comedi_device *dev, return 1; } -static int pci20xxx_detach(struct comedi_device *dev) +static void pci20xxx_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: pci20xxx: remove\n", dev->minor); - - return 0; + /* Nothing to cleanup */ } /* pci20006m */ diff --git a/drivers/staging/comedi/drivers/jr3_pci.c b/drivers/staging/comedi/drivers/jr3_pci.c index beb82d97d836c..d536a11edb951 100644 --- a/drivers/staging/comedi/drivers/jr3_pci.c +++ b/drivers/staging/comedi/drivers/jr3_pci.c @@ -926,7 +926,7 @@ out: return result; } -static int jr3_pci_detach(struct comedi_device *dev) +static void jr3_pci_detach(struct comedi_device *dev) { int i; struct jr3_pci_dev_private *devpriv = dev->private; @@ -938,16 +938,13 @@ static int jr3_pci_detach(struct comedi_device *dev) for (i = 0; i < devpriv->n_channels; i++) kfree(dev->subdevices[i].private); } - if (devpriv->iobase) iounmap((void *)devpriv->iobase); if (devpriv->pci_enabled) comedi_pci_disable(devpriv->pci_dev); - if (devpriv->pci_dev) pci_dev_put(devpriv->pci_dev); } - return 0; } static struct comedi_driver jr3_pci_driver = { diff --git a/drivers/staging/comedi/drivers/ke_counter.c b/drivers/staging/comedi/drivers/ke_counter.c index 708704dbe4364..09d191844bf88 100644 --- a/drivers/staging/comedi/drivers/ke_counter.c +++ b/drivers/staging/comedi/drivers/ke_counter.c @@ -219,16 +219,13 @@ found: return 0; } -static int cnt_detach(struct comedi_device *dev) +static void cnt_detach(struct comedi_device *dev) { if (devpriv && devpriv->pcidev) { if (dev->iobase) comedi_pci_disable(devpriv->pcidev); pci_dev_put(devpriv->pcidev); } - printk(KERN_INFO "comedi%d: " CNT_DRIVER_NAME " remove\n", - dev->minor); - return 0; } static struct comedi_driver ke_counter_driver = { diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c index 879acbcca16c8..8ca1b54600db2 100644 --- a/drivers/staging/comedi/drivers/me4000.c +++ b/drivers/staging/comedi/drivers/me4000.c @@ -2304,10 +2304,8 @@ static int me4000_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int me4000_detach(struct comedi_device *dev) +static void me4000_detach(struct comedi_device *dev) { - CALL_PDEBUG("In me4000_detach()\n"); - if (info) { if (info->pci_dev_p) { reset_board(dev); @@ -2316,8 +2314,6 @@ static int me4000_detach(struct comedi_device *dev) pci_dev_put(info->pci_dev_p); } } - - return 0; } static struct comedi_driver me4000_driver = { diff --git a/drivers/staging/comedi/drivers/me_daq.c b/drivers/staging/comedi/drivers/me_daq.c index 1f99527a7fa9e..ffe251250e6fc 100644 --- a/drivers/staging/comedi/drivers/me_daq.c +++ b/drivers/staging/comedi/drivers/me_daq.c @@ -806,7 +806,7 @@ found: return 0; } -static int me_detach(struct comedi_device *dev) +static void me_detach(struct comedi_device *dev) { if (dev_private) { if (dev_private->me_regbase) { @@ -818,11 +818,9 @@ static int me_detach(struct comedi_device *dev) if (dev_private->pci_device) { if (dev_private->plx_regbase_size) comedi_pci_disable(dev_private->pci_device); - pci_dev_put(dev_private->pci_device); } } - return 0; } static struct comedi_driver me_daq_driver = { diff --git a/drivers/staging/comedi/drivers/mpc624.c b/drivers/staging/comedi/drivers/mpc624.c index 25d85531fc364..4304e864a4d49 100644 --- a/drivers/staging/comedi/drivers/mpc624.c +++ b/drivers/staging/comedi/drivers/mpc624.c @@ -379,14 +379,10 @@ static int mpc624_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 1; } -static int mpc624_detach(struct comedi_device *dev) +static void mpc624_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: mpc624: remove\n", dev->minor); - if (dev->iobase) release_region(dev->iobase, MPC624_SIZE); - - return 0; } static struct comedi_driver mpc624_driver = { diff --git a/drivers/staging/comedi/drivers/mpc8260cpm.c b/drivers/staging/comedi/drivers/mpc8260cpm.c index f468775527dbb..364470e4458fc 100644 --- a/drivers/staging/comedi/drivers/mpc8260cpm.c +++ b/drivers/staging/comedi/drivers/mpc8260cpm.c @@ -148,11 +148,9 @@ static int mpc8260cpm_attach(struct comedi_device *dev, return 1; } -static int mpc8260cpm_detach(struct comedi_device *dev) +static void mpc8260cpm_detach(struct comedi_device *dev) { - printk("comedi%d: mpc8260cpm: remove\n", dev->minor); - - return 0; + /* Nothing to cleanup */ } static struct comedi_driver mpc8260cpm_driver = { diff --git a/drivers/staging/comedi/drivers/multiq3.c b/drivers/staging/comedi/drivers/multiq3.c index 206296cfa068a..e951e73d66f5a 100644 --- a/drivers/staging/comedi/drivers/multiq3.c +++ b/drivers/staging/comedi/drivers/multiq3.c @@ -315,16 +315,12 @@ static int multiq3_attach(struct comedi_device *dev, return 0; } -static int multiq3_detach(struct comedi_device *dev) +static void multiq3_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: multiq3: remove\n", dev->minor); - if (dev->iobase) release_region(dev->iobase, MULTIQ3_SIZE); if (dev->irq) free_irq(dev->irq, dev); - - return 0; } static struct comedi_driver multiq3_driver = { diff --git a/drivers/staging/comedi/drivers/ni_6527.c b/drivers/staging/comedi/drivers/ni_6527.c index 75c146d75f35c..b02aa0efcd867 100644 --- a/drivers/staging/comedi/drivers/ni_6527.c +++ b/drivers/staging/comedi/drivers/ni_6527.c @@ -78,7 +78,7 @@ Updated: Sat, 25 Jan 2003 13:24:40 -0800 static int ni6527_attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int ni6527_detach(struct comedi_device *dev); +static void ni6527_detach(struct comedi_device *dev); static struct comedi_driver driver_ni6527 = { .driver_name = "ni6527", .module = THIS_MODULE, @@ -449,19 +449,15 @@ static int ni6527_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int ni6527_detach(struct comedi_device *dev) +static void ni6527_detach(struct comedi_device *dev) { if (devpriv && devpriv->mite && devpriv->mite->daq_io_addr) writeb(0x00, devpriv->mite->daq_io_addr + Master_Interrupt_Control); - if (dev->irq) free_irq(dev->irq, dev); - if (devpriv && devpriv->mite) mite_unsetup(devpriv->mite); - - return 0; } static int ni6527_find_device(struct comedi_device *dev, int bus, int slot) diff --git a/drivers/staging/comedi/drivers/ni_65xx.c b/drivers/staging/comedi/drivers/ni_65xx.c index 4a3f54ed3ce7b..0d27a9323bc05 100644 --- a/drivers/staging/comedi/drivers/ni_65xx.c +++ b/drivers/staging/comedi/drivers/ni_65xx.c @@ -111,7 +111,7 @@ static inline unsigned Filter_Enable(unsigned port) static int ni_65xx_attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int ni_65xx_detach(struct comedi_device *dev); +static void ni_65xx_detach(struct comedi_device *dev); static struct comedi_driver driver_ni_65xx = { .driver_name = "ni_65xx", .module = THIS_MODULE, @@ -784,7 +784,7 @@ static int ni_65xx_attach(struct comedi_device *dev, return 0; } -static int ni_65xx_detach(struct comedi_device *dev) +static void ni_65xx_detach(struct comedi_device *dev) { if (private(dev) && private(dev)->mite && private(dev)->mite->daq_io_addr) { @@ -792,10 +792,8 @@ static int ni_65xx_detach(struct comedi_device *dev) private(dev)->mite->daq_io_addr + Master_Interrupt_Control); } - if (dev->irq) free_irq(dev->irq, dev); - if (private(dev)) { unsigned i; for (i = 0; i < dev->n_subdevices; ++i) { @@ -805,7 +803,6 @@ static int ni_65xx_detach(struct comedi_device *dev) if (private(dev)->mite) mite_unsetup(private(dev)->mite); } - return 0; } static int ni_65xx_find_device(struct comedi_device *dev, int bus, int slot) diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c index 21eb7fb5c42cd..8c40730e296ae 100644 --- a/drivers/staging/comedi/drivers/ni_660x.c +++ b/drivers/staging/comedi/drivers/ni_660x.c @@ -458,7 +458,7 @@ static inline const struct ni_660x_board *board(struct comedi_device *dev) static int ni_660x_attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int ni_660x_detach(struct comedi_device *dev); +static void ni_660x_detach(struct comedi_device *dev); static void init_tio_chip(struct comedi_device *dev, int chipset); static void ni_660x_select_pfi_output(struct comedi_device *dev, unsigned pfi_channel, @@ -1188,14 +1188,10 @@ static int ni_660x_attach(struct comedi_device *dev, return 0; } -static int ni_660x_detach(struct comedi_device *dev) +static void ni_660x_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: ni_660x: remove\n", dev->minor); - - /* Free irq */ if (dev->irq) free_irq(dev->irq, dev); - if (dev->private) { if (private(dev)->counter_dev) ni_gpct_device_destroy(private(dev)->counter_dev); @@ -1204,7 +1200,6 @@ static int ni_660x_detach(struct comedi_device *dev) mite_unsetup(private(dev)->mite); } } - return 0; } static int diff --git a/drivers/staging/comedi/drivers/ni_670x.c b/drivers/staging/comedi/drivers/ni_670x.c index c74efc40679b9..a9cf94fd0c30f 100644 --- a/drivers/staging/comedi/drivers/ni_670x.c +++ b/drivers/staging/comedi/drivers/ni_670x.c @@ -111,7 +111,7 @@ struct ni_670x_private { static int ni_670x_attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int ni_670x_detach(struct comedi_device *dev); +static void ni_670x_detach(struct comedi_device *dev); static struct comedi_driver driver_ni_670x = { .driver_name = "ni_670x", @@ -249,19 +249,13 @@ static int ni_670x_attach(struct comedi_device *dev, return 1; } -static int ni_670x_detach(struct comedi_device *dev) +static void ni_670x_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: ni_670x: remove\n", dev->minor); - kfree(dev->subdevices[0].range_table_list); - if (dev->private && devpriv->mite) mite_unsetup(devpriv->mite); - if (dev->irq) free_irq(dev->irq, dev); - - return 0; } static int ni_670x_ao_winsn(struct comedi_device *dev, diff --git a/drivers/staging/comedi/drivers/ni_at_a2150.c b/drivers/staging/comedi/drivers/ni_at_a2150.c index 3231d102839ef..ae896a094150a 100644 --- a/drivers/staging/comedi/drivers/ni_at_a2150.c +++ b/drivers/staging/comedi/drivers/ni_at_a2150.c @@ -873,17 +873,12 @@ static int a2150_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; }; -static int a2150_detach(struct comedi_device *dev) +static void a2150_detach(struct comedi_device *dev) { - printk("comedi%d: %s: remove\n", dev->minor, dev->driver->driver_name); - - /* only free stuff if it has been allocated by _attach */ if (dev->iobase) { - /* put board in power-down mode */ outw(APD_BIT | DPD_BIT, dev->iobase + CONFIG_REG); release_region(dev->iobase, A2150_SIZE); } - if (dev->irq) free_irq(dev->irq, dev); if (devpriv) { @@ -891,8 +886,6 @@ static int a2150_detach(struct comedi_device *dev) free_dma(devpriv->dma); kfree(devpriv->dma_buffer); } - - return 0; }; static struct comedi_driver ni_at_a2150_driver = { diff --git a/drivers/staging/comedi/drivers/ni_at_ao.c b/drivers/staging/comedi/drivers/ni_at_ao.c index d7963bae47414..c43dd8ada1da6 100644 --- a/drivers/staging/comedi/drivers/ni_at_ao.c +++ b/drivers/staging/comedi/drivers/ni_at_ao.c @@ -406,14 +406,10 @@ static int atao_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int atao_detach(struct comedi_device *dev) +static void atao_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: atao: remove\n", dev->minor); - if (dev->iobase) release_region(dev->iobase, ATAO_SIZE); - - return 0; } static const struct atao_board atao_boards[] = { diff --git a/drivers/staging/comedi/drivers/ni_atmio.c b/drivers/staging/comedi/drivers/ni_atmio.c index 02cf44b385900..6448373878ed1 100644 --- a/drivers/staging/comedi/drivers/ni_atmio.c +++ b/drivers/staging/comedi/drivers/ni_atmio.c @@ -497,19 +497,15 @@ static int ni_atmio_attach(struct comedi_device *dev, return 0; } -static int ni_atmio_detach(struct comedi_device *dev) +static void ni_atmio_detach(struct comedi_device *dev) { mio_common_detach(dev); - if (dev->iobase) release_region(dev->iobase, NI_SIZE); if (dev->irq) free_irq(dev->irq, dev); - if (devpriv->isapnp_dev) pnp_device_detach(devpriv->isapnp_dev); - - return 0; } static struct comedi_driver ni_atmio_driver = { diff --git a/drivers/staging/comedi/drivers/ni_atmio16d.c b/drivers/staging/comedi/drivers/ni_atmio16d.c index 8044e92821128..4f61453267471 100644 --- a/drivers/staging/comedi/drivers/ni_atmio16d.c +++ b/drivers/staging/comedi/drivers/ni_atmio16d.c @@ -829,22 +829,15 @@ static int atmio16d_attach(struct comedi_device *dev, return 0; } -static int atmio16d_detach(struct comedi_device *dev) +static void atmio16d_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: atmio16d: remove\n", dev->minor); - if (dev->subdevices && boardtype->has_8255) subdev_8255_cleanup(dev, dev->subdevices + 3); - if (dev->irq) free_irq(dev->irq, dev); - reset_atmio16d(dev); - if (dev->iobase) release_region(dev->iobase, ATMIO16D_SIZE); - - return 0; } static const struct atmio16_board_t atmio16_boards[] = { diff --git a/drivers/staging/comedi/drivers/ni_daq_700.c b/drivers/staging/comedi/drivers/ni_daq_700.c index e2420123db878..75764e8d27eb6 100644 --- a/drivers/staging/comedi/drivers/ni_daq_700.c +++ b/drivers/staging/comedi/drivers/ni_daq_700.c @@ -57,7 +57,7 @@ static struct pcmcia_device *pcmcia_cur_dev; static int dio700_attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int dio700_detach(struct comedi_device *dev); +static void dio700_detach(struct comedi_device *dev); enum dio700_bustype { pcmcia_bustype }; @@ -419,19 +419,14 @@ static int dio700_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; }; -static int dio700_detach(struct comedi_device *dev) +static void dio700_detach(struct comedi_device *dev) { - printk(KERN_ERR "comedi%d: ni_daq_700: cs-remove\n", dev->minor); - if (dev->subdevices) subdev_700_cleanup(dev, dev->subdevices + 0); - if (thisboard->bustype != pcmcia_bustype && dev->iobase) release_region(dev->iobase, DIO700_SIZE); if (dev->irq) free_irq(dev->irq, dev); - - return 0; }; static void dio700_config(struct pcmcia_device *link); @@ -472,18 +467,12 @@ static int dio700_cs_attach(struct pcmcia_device *link) static void dio700_cs_detach(struct pcmcia_device *link) { - - printk(KERN_INFO "ni_daq_700: cs-detach!\n"); - - dev_dbg(&link->dev, "dio700_cs_detach\n"); - ((struct local_info_t *)link->priv)->stop = 1; dio700_release(link); /* This points to the parent struct local_info_t struct */ kfree(link->priv); - -} /* dio700_cs_detach */ +} static int dio700_pcmcia_config_loop(struct pcmcia_device *p_dev, void *priv_data) diff --git a/drivers/staging/comedi/drivers/ni_daq_dio24.c b/drivers/staging/comedi/drivers/ni_daq_dio24.c index c0423a8c3e36f..493a227886379 100644 --- a/drivers/staging/comedi/drivers/ni_daq_dio24.c +++ b/drivers/staging/comedi/drivers/ni_daq_dio24.c @@ -57,7 +57,7 @@ static struct pcmcia_device *pcmcia_cur_dev; #define DIO24_SIZE 4 /* size of io region used by board */ static int dio24_attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int dio24_detach(struct comedi_device *dev); +static void dio24_detach(struct comedi_device *dev); enum dio24_bustype { pcmcia_bustype }; @@ -168,19 +168,14 @@ static int dio24_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; }; -static int dio24_detach(struct comedi_device *dev) +static void dio24_detach(struct comedi_device *dev) { - dev_info(dev->hw_dev, "comedi%d: ni_daq_dio24: remove\n", dev->minor); - if (dev->subdevices) subdev_8255_cleanup(dev, dev->subdevices + 0); - if (thisboard->bustype != pcmcia_bustype && dev->iobase) release_region(dev->iobase, DIO24_SIZE); if (dev->irq) free_irq(dev->irq, dev); - - return 0; }; static void dio24_config(struct pcmcia_device *link); @@ -221,18 +216,12 @@ static int dio24_cs_attach(struct pcmcia_device *link) static void dio24_cs_detach(struct pcmcia_device *link) { - - printk(KERN_INFO "ni_daq_dio24: HOLA SOY YO - cs-detach!\n"); - - dev_dbg(&link->dev, "dio24_cs_detach\n"); - ((struct local_info_t *)link->priv)->stop = 1; dio24_release(link); /* This points to the parent local_info_t struct */ kfree(link->priv); - -} /* dio24_cs_detach */ +} static int dio24_pcmcia_config_loop(struct pcmcia_device *p_dev, void *priv_data) diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c index b281fc6e6b7d3..53349777246bb 100644 --- a/drivers/staging/comedi/drivers/ni_labpc.c +++ b/drivers/staging/comedi/drivers/ni_labpc.c @@ -805,13 +805,10 @@ static int labpc_find_device(struct comedi_device *dev, int bus, int slot) } #endif -int labpc_common_detach(struct comedi_device *dev) +void labpc_common_detach(struct comedi_device *dev) { - printk(KERN_ERR "comedi%d: ni_labpc: detach\n", dev->minor); - if (dev->subdevices) subdev_8255_cleanup(dev, dev->subdevices + 2); - #ifdef CONFIG_ISA_DMA_API /* only free stuff if it has been allocated by _attach */ kfree(devpriv->dma_buffer); @@ -826,8 +823,6 @@ int labpc_common_detach(struct comedi_device *dev) if (devpriv->mite) mite_unsetup(devpriv->mite); #endif - - return 0; }; EXPORT_SYMBOL_GPL(labpc_common_detach); diff --git a/drivers/staging/comedi/drivers/ni_labpc.h b/drivers/staging/comedi/drivers/ni_labpc.h index 422cee58a9676..e052ed3ba544c 100644 --- a/drivers/staging/comedi/drivers/ni_labpc.h +++ b/drivers/staging/comedi/drivers/ni_labpc.h @@ -103,7 +103,7 @@ struct labpc_private { int labpc_common_attach(struct comedi_device *dev, unsigned long iobase, unsigned int irq, unsigned int dma); -int labpc_common_detach(struct comedi_device *dev); +void labpc_common_detach(struct comedi_device *dev); extern const int labpc_1200_is_unipolar[]; extern const int labpc_1200_ai_gain_bits[]; diff --git a/drivers/staging/comedi/drivers/ni_labpc_cs.c b/drivers/staging/comedi/drivers/ni_labpc_cs.c index ff3840544dd45..dbb61b6b3ed15 100644 --- a/drivers/staging/comedi/drivers/ni_labpc_cs.c +++ b/drivers/staging/comedi/drivers/ni_labpc_cs.c @@ -188,21 +188,13 @@ static int labpc_cs_attach(struct pcmcia_device *link) static void labpc_cs_detach(struct pcmcia_device *link) { - dev_dbg(&link->dev, "labpc_cs_detach\n"); - - /* - If the device is currently configured and active, we won't - actually delete it yet. Instead, it is marked so that when - the release() function is called, that will trigger a proper - detach(). - */ ((struct local_info_t *)link->priv)->stop = 1; labpc_release(link); /* This points to the parent local_info_t struct (may be null) */ kfree(link->priv); -} /* labpc_cs_detach */ +} static int labpc_pcmcia_config_loop(struct pcmcia_device *p_dev, void *priv_data) diff --git a/drivers/staging/comedi/drivers/ni_mio_cs.c b/drivers/staging/comedi/drivers/ni_mio_cs.c index 53ec24bb6dcec..b85765d266c2f 100644 --- a/drivers/staging/comedi/drivers/ni_mio_cs.c +++ b/drivers/staging/comedi/drivers/ni_mio_cs.c @@ -227,7 +227,7 @@ static uint16_t mio_cs_win_in(struct comedi_device *dev, int addr) static int mio_cs_attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int mio_cs_detach(struct comedi_device *dev); +static void mio_cs_detach(struct comedi_device *dev); static struct comedi_driver driver_ni_mio_cs = { .driver_name = "ni_mio_cs", .module = THIS_MODULE, @@ -240,18 +240,11 @@ static struct comedi_driver driver_ni_mio_cs = { static int ni_getboardtype(struct comedi_device *dev, struct pcmcia_device *link); -/* clean up allocated resources */ -/* called when driver is removed */ -static int mio_cs_detach(struct comedi_device *dev) +static void mio_cs_detach(struct comedi_device *dev) { mio_common_detach(dev); - - /* PCMCIA layer frees the IO region */ - if (dev->irq) free_irq(dev->irq, dev); - - return 0; } static void mio_cs_config(struct pcmcia_device *link); @@ -276,8 +269,6 @@ static void cs_release(struct pcmcia_device *link) static void cs_detach(struct pcmcia_device *link) { - DPRINTK("cs_detach(link=%p)\n", link); - cs_release(link); } diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c index ed42ee3a78369..37b700830e21d 100644 --- a/drivers/staging/comedi/drivers/ni_pcidio.c +++ b/drivers/staging/comedi/drivers/ni_pcidio.c @@ -1307,7 +1307,7 @@ static int nidio_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int nidio_detach(struct comedi_device *dev) +static void nidio_detach(struct comedi_device *dev) { int i; @@ -1315,10 +1315,8 @@ static int nidio_detach(struct comedi_device *dev) for (i = 0; i < this_board->n_8255; i++) subdev_8255_cleanup(dev, dev->subdevices + i); } - if (dev->irq) free_irq(dev->irq, dev); - if (devpriv) { if (devpriv->di_mite_ring) { mite_free_ring(devpriv->di_mite_ring); @@ -1327,7 +1325,6 @@ static int nidio_detach(struct comedi_device *dev) if (devpriv->mite) mite_unsetup(devpriv->mite); } - return 0; } static struct comedi_driver ni_pcidio_driver = { diff --git a/drivers/staging/comedi/drivers/ni_pcimio.c b/drivers/staging/comedi/drivers/ni_pcimio.c index 9d0a08f52beb2..3974c0d98d2a1 100644 --- a/drivers/staging/comedi/drivers/ni_pcimio.c +++ b/drivers/staging/comedi/drivers/ni_pcimio.c @@ -1573,13 +1573,11 @@ static void init_6143(struct comedi_device *dev) ni_writew(devpriv->ai_calib_source, Calibration_Channel_6143); } -/* cleans up allocated resources */ -static int pcimio_detach(struct comedi_device *dev) +static void pcimio_detach(struct comedi_device *dev) { mio_common_detach(dev); if (dev->irq) free_irq(dev->irq, dev); - if (dev->private) { mite_free_ring(devpriv->ai_mite_ring); mite_free_ring(devpriv->ao_mite_ring); @@ -1589,8 +1587,6 @@ static int pcimio_detach(struct comedi_device *dev) if (devpriv->mite) mite_unsetup(devpriv->mite); } - - return 0; } static int pcimio_attach(struct comedi_device *dev, struct comedi_devconfig *it) diff --git a/drivers/staging/comedi/drivers/pcl711.c b/drivers/staging/comedi/drivers/pcl711.c index 6a12dca3df8d1..2e7753f988aa8 100644 --- a/drivers/staging/comedi/drivers/pcl711.c +++ b/drivers/staging/comedi/drivers/pcl711.c @@ -591,17 +591,12 @@ static int pcl711_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int pcl711_detach(struct comedi_device *dev) +static void pcl711_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: pcl711: remove\n", dev->minor); - if (dev->irq) free_irq(dev->irq, dev); - if (dev->iobase) release_region(dev->iobase, PCL711_SIZE); - - return 0; } static const struct pcl711_board boardtypes[] = { diff --git a/drivers/staging/comedi/drivers/pcl724.c b/drivers/staging/comedi/drivers/pcl724.c index 75628586cdbf1..1f66fe1c7d5ee 100644 --- a/drivers/staging/comedi/drivers/pcl724.c +++ b/drivers/staging/comedi/drivers/pcl724.c @@ -177,23 +177,17 @@ static int pcl724_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int pcl724_detach(struct comedi_device *dev) +static void pcl724_detach(struct comedi_device *dev) { int i; - /* printk("comedi%d: pcl724: remove\n",dev->minor); */ - for (i = 0; i < dev->n_subdevices; i++) subdev_8255_cleanup(dev, dev->subdevices + i); - #ifdef PCL724_IRQ if (dev->irq) free_irq(dev->irq, dev); #endif - release_region(dev->iobase, this_board->io_range); - - return 0; } static const struct pcl724_board boardtypes[] = { diff --git a/drivers/staging/comedi/drivers/pcl725.c b/drivers/staging/comedi/drivers/pcl725.c index eeac943fddf0c..83a6fa53ddddc 100644 --- a/drivers/staging/comedi/drivers/pcl725.c +++ b/drivers/staging/comedi/drivers/pcl725.c @@ -89,14 +89,10 @@ static int pcl725_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int pcl725_detach(struct comedi_device *dev) +static void pcl725_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: pcl725: remove\n", dev->minor); - if (dev->iobase) release_region(dev->iobase, PCL725_SIZE); - - return 0; } static struct comedi_driver pcl725_driver = { diff --git a/drivers/staging/comedi/drivers/pcl726.c b/drivers/staging/comedi/drivers/pcl726.c index 8e2fb366d2ebc..d25c30c694e39 100644 --- a/drivers/staging/comedi/drivers/pcl726.c +++ b/drivers/staging/comedi/drivers/pcl726.c @@ -350,19 +350,14 @@ static int pcl726_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int pcl726_detach(struct comedi_device *dev) +static void pcl726_detach(struct comedi_device *dev) { -/* printk("comedi%d: pcl726: remove\n",dev->minor); */ - #ifdef ACL6126_IRQ if (dev->irq) free_irq(dev->irq, dev); #endif - if (dev->iobase) release_region(dev->iobase, this_board->io_range); - - return 0; } static struct comedi_driver pcl726_driver = { diff --git a/drivers/staging/comedi/drivers/pcl730.c b/drivers/staging/comedi/drivers/pcl730.c index 73b4394fe478f..e11704addedb3 100644 --- a/drivers/staging/comedi/drivers/pcl730.c +++ b/drivers/staging/comedi/drivers/pcl730.c @@ -134,14 +134,10 @@ static int pcl730_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int pcl730_detach(struct comedi_device *dev) +static void pcl730_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: pcl730: remove\n", dev->minor); - if (dev->iobase) release_region(dev->iobase, this_board->io_range); - - return 0; } static const struct pcl730_board boardtypes[] = { diff --git a/drivers/staging/comedi/drivers/pcl812.c b/drivers/staging/comedi/drivers/pcl812.c index 613b397ea0469..51f4ca9f79279 100644 --- a/drivers/staging/comedi/drivers/pcl812.c +++ b/drivers/staging/comedi/drivers/pcl812.c @@ -1614,14 +1614,9 @@ no_dma: return 0; } -static int pcl812_detach(struct comedi_device *dev) +static void pcl812_detach(struct comedi_device *dev) { - -#ifdef PCL812_EXTDEBUG - printk(KERN_DEBUG "comedi%d: pcl812: remove\n", dev->minor); -#endif free_resources(dev); - return 0; } static const struct pcl812_board boardtypes[] = { diff --git a/drivers/staging/comedi/drivers/pcl816.c b/drivers/staging/comedi/drivers/pcl816.c index 1559c05b8f140..cc67b6d460592 100644 --- a/drivers/staging/comedi/drivers/pcl816.c +++ b/drivers/staging/comedi/drivers/pcl816.c @@ -1026,40 +1026,6 @@ static int set_rtc_irq_bit(unsigned char bit) } #endif -/* -============================================================================== - Free any resources that we have claimed -*/ -static void free_resources(struct comedi_device *dev) -{ - /* printk("free_resource()\n"); */ - if (dev->private) { - pcl816_ai_cancel(dev, devpriv->sub_ai); - pcl816_reset(dev); - if (devpriv->dma) - free_dma(devpriv->dma); - if (devpriv->dmabuf[0]) - free_pages(devpriv->dmabuf[0], devpriv->dmapages[0]); - if (devpriv->dmabuf[1]) - free_pages(devpriv->dmabuf[1], devpriv->dmapages[1]); -#ifdef unused - if (devpriv->rtc_irq) - free_irq(devpriv->rtc_irq, dev); - if ((devpriv->dma_rtc) && (RTC_lock == 1)) { - if (devpriv->rtc_iobase) - release_region(devpriv->rtc_iobase, - devpriv->rtc_iosize); - } -#endif - } - - if (dev->irq) - free_irq(dev->irq, dev); - if (dev->iobase) - release_region(dev->iobase, this_board->io_range); - /* printk("free_resource() end\n"); */ -} - static int pcl816_attach(struct comedi_device *dev, struct comedi_devconfig *it) { int ret; @@ -1285,15 +1251,35 @@ case COMEDI_SUBD_DO: return 0; } -static int pcl816_detach(struct comedi_device *dev) +static void pcl816_detach(struct comedi_device *dev) { - DEBUG(printk(KERN_INFO "comedi%d: pcl816: remove\n", dev->minor);) - free_resources(dev); + if (dev->private) { + pcl816_ai_cancel(dev, devpriv->sub_ai); + pcl816_reset(dev); + if (devpriv->dma) + free_dma(devpriv->dma); + if (devpriv->dmabuf[0]) + free_pages(devpriv->dmabuf[0], devpriv->dmapages[0]); + if (devpriv->dmabuf[1]) + free_pages(devpriv->dmabuf[1], devpriv->dmapages[1]); +#ifdef unused + if (devpriv->rtc_irq) + free_irq(devpriv->rtc_irq, dev); + if ((devpriv->dma_rtc) && (RTC_lock == 1)) { + if (devpriv->rtc_iobase) + release_region(devpriv->rtc_iobase, + devpriv->rtc_iosize); + } +#endif + } + if (dev->irq) + free_irq(dev->irq, dev); + if (dev->iobase) + release_region(dev->iobase, this_board->io_range); #ifdef unused if (devpriv->dma_rtc) RTC_lock--; #endif - return 0; } static const struct pcl816_board boardtypes[] = { diff --git a/drivers/staging/comedi/drivers/pcl818.c b/drivers/staging/comedi/drivers/pcl818.c index 9b8a1ff5c8a48..1406c9720f5d5 100644 --- a/drivers/staging/comedi/drivers/pcl818.c +++ b/drivers/staging/comedi/drivers/pcl818.c @@ -1634,42 +1634,6 @@ static int rtc_setfreq_irq(int freq) } #endif -/* -============================================================================== - Free any resources that we have claimed -*/ -static void free_resources(struct comedi_device *dev) -{ - /* printk("free_resource()\n"); */ - if (dev->private) { - pcl818_ai_cancel(dev, devpriv->sub_ai); - pcl818_reset(dev); - if (devpriv->dma) - free_dma(devpriv->dma); - if (devpriv->dmabuf[0]) - free_pages(devpriv->dmabuf[0], devpriv->dmapages[0]); - if (devpriv->dmabuf[1]) - free_pages(devpriv->dmabuf[1], devpriv->dmapages[1]); -#ifdef unused - if (devpriv->rtc_irq) - free_irq(devpriv->rtc_irq, dev); - if ((devpriv->dma_rtc) && (RTC_lock == 1)) { - if (devpriv->rtc_iobase) - release_region(devpriv->rtc_iobase, - devpriv->rtc_iosize); - } - if (devpriv->dma_rtc) - RTC_lock--; -#endif - } - - if (dev->irq) - free_irq(dev->irq, dev); - if (dev->iobase) - release_region(dev->iobase, devpriv->io_range); - /* printk("free_resource() end\n"); */ -} - static int pcl818_attach(struct comedi_device *dev, struct comedi_devconfig *it) { int ret; @@ -1960,11 +1924,33 @@ no_dma: return 0; } -static int pcl818_detach(struct comedi_device *dev) +static void pcl818_detach(struct comedi_device *dev) { - /* printk("comedi%d: pcl818: remove\n", dev->minor); */ - free_resources(dev); - return 0; + if (dev->private) { + pcl818_ai_cancel(dev, devpriv->sub_ai); + pcl818_reset(dev); + if (devpriv->dma) + free_dma(devpriv->dma); + if (devpriv->dmabuf[0]) + free_pages(devpriv->dmabuf[0], devpriv->dmapages[0]); + if (devpriv->dmabuf[1]) + free_pages(devpriv->dmabuf[1], devpriv->dmapages[1]); +#ifdef unused + if (devpriv->rtc_irq) + free_irq(devpriv->rtc_irq, dev); + if ((devpriv->dma_rtc) && (RTC_lock == 1)) { + if (devpriv->rtc_iobase) + release_region(devpriv->rtc_iobase, + devpriv->rtc_iosize); + } + if (devpriv->dma_rtc) + RTC_lock--; +#endif + } + if (dev->irq) + free_irq(dev->irq, dev); + if (dev->iobase) + release_region(dev->iobase, devpriv->io_range); } static const struct pcl818_board boardtypes[] = { diff --git a/drivers/staging/comedi/drivers/pcm3724.c b/drivers/staging/comedi/drivers/pcm3724.c index 36c04597dae85..7492b8f1d499a 100644 --- a/drivers/staging/comedi/drivers/pcm3724.c +++ b/drivers/staging/comedi/drivers/pcm3724.c @@ -273,7 +273,7 @@ static int pcm3724_attach(struct comedi_device *dev, return 0; } -static int pcm3724_detach(struct comedi_device *dev) +static void pcm3724_detach(struct comedi_device *dev) { int i; @@ -283,8 +283,6 @@ static int pcm3724_detach(struct comedi_device *dev) } if (dev->iobase) release_region(dev->iobase, this_board->io_range); - - return 0; } static const struct pcm3724_board boardtypes[] = { diff --git a/drivers/staging/comedi/drivers/pcm3730.c b/drivers/staging/comedi/drivers/pcm3730.c index 1571b8357ed7b..f8d1c644daf8c 100644 --- a/drivers/staging/comedi/drivers/pcm3730.c +++ b/drivers/staging/comedi/drivers/pcm3730.c @@ -133,14 +133,10 @@ static int pcm3730_attach(struct comedi_device *dev, return 0; } -static int pcm3730_detach(struct comedi_device *dev) +static void pcm3730_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: pcm3730: remove\n", dev->minor); - if (dev->iobase) release_region(dev->iobase, PCM3730_SIZE); - - return 0; } static struct comedi_driver pcm3730_driver = { diff --git a/drivers/staging/comedi/drivers/pcmad.c b/drivers/staging/comedi/drivers/pcmad.c index 05a2363a55bf0..1ec7d5cb346aa 100644 --- a/drivers/staging/comedi/drivers/pcmad.c +++ b/drivers/staging/comedi/drivers/pcmad.c @@ -139,17 +139,12 @@ static int pcmad_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int pcmad_detach(struct comedi_device *dev) +static void pcmad_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: pcmad: remove\n", dev->minor); - if (dev->irq) free_irq(dev->irq, dev); - if (dev->iobase) release_region(dev->iobase, PCMAD_SIZE); - - return 0; } static const struct pcmad_board_struct pcmad_boards[] = { diff --git a/drivers/staging/comedi/drivers/pcmda12.c b/drivers/staging/comedi/drivers/pcmda12.c index aaea0e600108e..4786148b4fd0f 100644 --- a/drivers/staging/comedi/drivers/pcmda12.c +++ b/drivers/staging/comedi/drivers/pcmda12.c @@ -227,13 +227,10 @@ static int pcmda12_attach(struct comedi_device *dev, return 1; } -static int pcmda12_detach(struct comedi_device *dev) +static void pcmda12_detach(struct comedi_device *dev) { - printk(KERN_INFO - "comedi%d: %s: remove\n", dev->minor, dev->driver->driver_name); if (dev->iobase) release_region(dev->iobase, IOSIZE); - return 0; } static const struct pcmda12_board pcmda12_boards[] = { diff --git a/drivers/staging/comedi/drivers/pcmmio.c b/drivers/staging/comedi/drivers/pcmmio.c index a977acbf94161..efed168d2bacd 100644 --- a/drivers/staging/comedi/drivers/pcmmio.c +++ b/drivers/staging/comedi/drivers/pcmmio.c @@ -1223,24 +1223,18 @@ static int pcmmio_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 1; } -static int pcmmio_detach(struct comedi_device *dev) +static void pcmmio_detach(struct comedi_device *dev) { int i; - printk(KERN_INFO "comedi%d: %s: remove\n", dev->minor, - dev->driver->driver_name); if (dev->iobase) release_region(dev->iobase, thisboard->total_iosize); - for (i = 0; i < MAX_ASICS; ++i) { if (devpriv && devpriv->asics[i].irq) free_irq(devpriv->asics[i].irq, dev); } - if (devpriv && devpriv->sprivs) kfree(devpriv->sprivs); - - return 0; } static const struct pcmmio_board pcmmio_boards[] = { diff --git a/drivers/staging/comedi/drivers/pcmuio.c b/drivers/staging/comedi/drivers/pcmuio.c index b18912ac8e215..623381d50dacf 100644 --- a/drivers/staging/comedi/drivers/pcmuio.c +++ b/drivers/staging/comedi/drivers/pcmuio.c @@ -908,24 +908,18 @@ static int pcmuio_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 1; } -static int pcmuio_detach(struct comedi_device *dev) +static void pcmuio_detach(struct comedi_device *dev) { int i; - dev_dbg(dev->hw_dev, "comedi%d: %s: remove\n", dev->minor, - dev->driver->driver_name); if (dev->iobase) release_region(dev->iobase, ASIC_IOSIZE * thisboard->num_asics); - for (i = 0; i < MAX_ASICS; ++i) { if (devpriv->asics[i].irq) free_irq(devpriv->asics[i].irq, dev); } - if (devpriv && devpriv->sprivs) kfree(devpriv->sprivs); - - return 0; } static const struct pcmuio_board pcmuio_boards[] = { diff --git a/drivers/staging/comedi/drivers/poc.c b/drivers/staging/comedi/drivers/poc.c index 2e50c7fd78822..e7120480687b7 100644 --- a/drivers/staging/comedi/drivers/poc.c +++ b/drivers/staging/comedi/drivers/poc.c @@ -181,15 +181,10 @@ static int poc_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int poc_detach(struct comedi_device *dev) +static void poc_detach(struct comedi_device *dev) { - /* only free stuff if it has been allocated by _attach */ if (dev->iobase) release_region(dev->iobase, this_board->iosize); - - printk(KERN_INFO "comedi%d: dac02: remove\n", dev->minor); - - return 0; } static const struct boarddef_struct boards[] = { diff --git a/drivers/staging/comedi/drivers/quatech_daqp_cs.c b/drivers/staging/comedi/drivers/quatech_daqp_cs.c index e0bb73445dd80..2f130b3095e95 100644 --- a/drivers/staging/comedi/drivers/quatech_daqp_cs.c +++ b/drivers/staging/comedi/drivers/quatech_daqp_cs.c @@ -181,7 +181,7 @@ static const struct comedi_lrange range_daqp_ao = { 1, {BIP_RANGE(5)} }; /* comedi interface code */ static int daqp_attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int daqp_detach(struct comedi_device *dev); +static void daqp_detach(struct comedi_device *dev); static struct comedi_driver driver_daqp = { .driver_name = "quatech_daqp_cs", .module = THIS_MODULE, @@ -922,15 +922,9 @@ static int daqp_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 1; } -/* daqp_detach (called from comedi_comdig) does nothing. If the PCMCIA - * card is removed, daqp_cs_detach() is called by the pcmcia subsystem. - */ - -static int daqp_detach(struct comedi_device *dev) +static void daqp_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: detaching daqp\n", dev->minor); - - return 0; + /* Nothing to cleanup */ } /*==================================================================== @@ -1010,8 +1004,6 @@ static void daqp_cs_detach(struct pcmcia_device *link) { struct local_info_t *dev = link->priv; - dev_dbg(&link->dev, "daqp_cs_detach\n"); - dev->stop = 1; daqp_cs_release(link); @@ -1019,7 +1011,7 @@ static void daqp_cs_detach(struct pcmcia_device *link) dev_table[dev->table_index] = NULL; kfree(dev); -} /* daqp_cs_detach */ +} static int daqp_pcmcia_config_loop(struct pcmcia_device *p_dev, void *priv_data) { diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index 32766edcde377..1678a0ccb8c17 100644 --- a/drivers/staging/comedi/drivers/rtd520.c +++ b/drivers/staging/comedi/drivers/rtd520.c @@ -1081,30 +1081,12 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it) #endif } -/* - * _detach is called to deconfigure a device. It should deallocate - * resources. - * This function is also called when _attach() fails, so it should be - * careful not to release resources that were not necessarily - * allocated by _attach(). dev->private and dev->subdevices are - * deallocated automatically by the core. - */ -static int rtd_detach(struct comedi_device *dev) +static void rtd_detach(struct comedi_device *dev) { #ifdef USE_DMA int index; #endif - DPRINTK("comedi%d: rtd520: removing (%ld ints)\n", - dev->minor, (devpriv ? devpriv->intCount : 0L)); - if (devpriv && devpriv->lcfg) { - DPRINTK - ("(int status 0x%x, overrun status 0x%x, fifo status 0x%x)...\n", - 0xffff & RtdInterruptStatus(dev), - 0xffff & RtdInterruptOverrunStatus(dev), - (0xffff & RtdFifoStatus(dev)) ^ 0x6666); - } - if (devpriv) { /* Shut down any board ops by resetting it */ #ifdef USE_DMA @@ -1141,37 +1123,24 @@ static int rtd_detach(struct comedi_device *dev) devpriv->dma0Chain = NULL; } #endif /* USE_DMA */ - - /* release IRQ */ if (dev->irq) { - /* disable interrupt controller */ RtdPlxInterruptWrite(dev, RtdPlxInterruptRead(dev) & ~(ICS_PLIE | ICS_DMA0_E | ICS_DMA1_E)); free_irq(dev->irq, dev); } - - /* release all regions that were allocated */ if (devpriv->las0) iounmap(devpriv->las0); - if (devpriv->las1) iounmap(devpriv->las1); - if (devpriv->lcfg) iounmap(devpriv->lcfg); - if (devpriv->pci_dev) { if (devpriv->got_regions) comedi_pci_disable(devpriv->pci_dev); - pci_dev_put(devpriv->pci_dev); } } - - printk(KERN_INFO "comedi%d: rtd520: removed.\n", dev->minor); - - return 0; } /* diff --git a/drivers/staging/comedi/drivers/rti800.c b/drivers/staging/comedi/drivers/rti800.c index c073bf46f62f0..f0eb52a778817 100644 --- a/drivers/staging/comedi/drivers/rti800.c +++ b/drivers/staging/comedi/drivers/rti800.c @@ -443,17 +443,12 @@ static int rti800_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int rti800_detach(struct comedi_device *dev) +static void rti800_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: rti800: remove\n", dev->minor); - if (dev->iobase) release_region(dev->iobase, RTI800_SIZE); - if (dev->irq) free_irq(dev->irq, dev); - - return 0; } static const struct rti800_board boardtypes[] = { diff --git a/drivers/staging/comedi/drivers/rti802.c b/drivers/staging/comedi/drivers/rti802.c index b4980b41596fc..09da5c21858ce 100644 --- a/drivers/staging/comedi/drivers/rti802.c +++ b/drivers/staging/comedi/drivers/rti802.c @@ -129,14 +129,10 @@ static int rti802_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 0; } -static int rti802_detach(struct comedi_device *dev) +static void rti802_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: rti802: remove\n", dev->minor); - if (dev->iobase) release_region(dev->iobase, RTI802_SIZE); - - return 0; } static struct comedi_driver rti802_driver = { diff --git a/drivers/staging/comedi/drivers/s526.c b/drivers/staging/comedi/drivers/s526.c index 3f86ed781d72e..7a56434eb2241 100644 --- a/drivers/staging/comedi/drivers/s526.c +++ b/drivers/staging/comedi/drivers/s526.c @@ -938,14 +938,10 @@ static int s526_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 1; } -static int s526_detach(struct comedi_device *dev) +static void s526_detach(struct comedi_device *dev) { - printk(KERN_INFO "comedi%d: s526: remove\n", dev->minor); - if (dev->iobase > 0) release_region(dev->iobase, S526_IOSIZE); - - return 0; } static struct comedi_driver s526_driver = { diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c index 56b111f3ecccb..7beb8f6853af0 100644 --- a/drivers/staging/comedi/drivers/s626.c +++ b/drivers/staging/comedi/drivers/s626.c @@ -1312,7 +1312,7 @@ static irqreturn_t s626_irq_handler(int irq, void *d) return IRQ_HANDLED; } -static int s626_detach(struct comedi_device *dev) +static void s626_detach(struct comedi_device *dev) { if (devpriv) { /* stop ai_command */ @@ -1336,20 +1336,14 @@ static int s626_detach(struct comedi_device *dev) if (dev->irq) free_irq(dev->irq, dev); - if (devpriv->base_addr) iounmap(devpriv->base_addr); - if (devpriv->pdev) { if (devpriv->got_regions) comedi_pci_disable(devpriv->pdev); pci_dev_put(devpriv->pdev); } } - - DEBUG("s626_detach: S626 detached!\n"); - - return 0; } /* diff --git a/drivers/staging/comedi/drivers/serial2002.c b/drivers/staging/comedi/drivers/serial2002.c index 0fbd9f93ab0be..6342bc5ddb3e4 100644 --- a/drivers/staging/comedi/drivers/serial2002.c +++ b/drivers/staging/comedi/drivers/serial2002.c @@ -848,18 +848,16 @@ static int serial2002_attach(struct comedi_device *dev, return 1; } -static int serial2002_detach(struct comedi_device *dev) +static void serial2002_detach(struct comedi_device *dev) { struct comedi_subdevice *s; int i; - dev_dbg(dev->hw_dev, "comedi%d: remove\n", dev->minor); for (i = 0; i < 5; i++) { s = &dev->subdevices[i]; kfree(s->maxdata_list); kfree(s->range_table_list); } - return 0; } static const struct serial2002_board serial2002_boards[] = { diff --git a/drivers/staging/comedi/drivers/skel.c b/drivers/staging/comedi/drivers/skel.c index 19a513eeebfe8..7d13ffa7f4f97 100644 --- a/drivers/staging/comedi/drivers/skel.c +++ b/drivers/staging/comedi/drivers/skel.c @@ -156,7 +156,7 @@ struct skel_private { * the device code. */ static int skel_attach(struct comedi_device *dev, struct comedi_devconfig *it); -static int skel_detach(struct comedi_device *dev); +static void skel_detach(struct comedi_device *dev); static struct comedi_driver driver_skel = { .driver_name = "dummy", .module = THIS_MODULE, @@ -295,11 +295,8 @@ static int skel_attach(struct comedi_device *dev, struct comedi_devconfig *it) * allocated by _attach(). dev->private and dev->subdevices are * deallocated automatically by the core. */ -static int skel_detach(struct comedi_device *dev) +static void skel_detach(struct comedi_device *dev) { - pr_info("comedi%d: skel: remove\n", dev->minor); - - return 0; } /* diff --git a/drivers/staging/comedi/drivers/ssv_dnp.c b/drivers/staging/comedi/drivers/ssv_dnp.c index 25cb6593ac1c2..16c4f5a757bb5 100644 --- a/drivers/staging/comedi/drivers/ssv_dnp.c +++ b/drivers/staging/comedi/drivers/ssv_dnp.c @@ -239,20 +239,14 @@ static int dnp_attach(struct comedi_device *dev, struct comedi_devconfig *it) return 1; } -static int dnp_detach(struct comedi_device *dev) +static void dnp_detach(struct comedi_device *dev) { - /* configure all ports as input (default) */ outb(PAMR, CSCIR); outb(0x00, CSCDR); outb(PBMR, CSCIR); outb(0x00, CSCDR); outb(PCMR, CSCIR); outb((inb(CSCDR) & 0xAA), CSCDR); - - /* announce that we are finished */ - printk(KERN_INFO "comedi%d: dnp: remove\n", dev->minor); - - return 0; } static const struct dnp_board dnp_boards[] = { diff --git a/drivers/staging/comedi/drivers/unioxx5.c b/drivers/staging/comedi/drivers/unioxx5.c index 2d238ae7c9366..d5f1f22aa708a 100644 --- a/drivers/staging/comedi/drivers/unioxx5.c +++ b/drivers/staging/comedi/drivers/unioxx5.c @@ -484,7 +484,7 @@ static int unioxx5_attach(struct comedi_device *dev, return 0; } -static int unioxx5_detach(struct comedi_device *dev) +static void unioxx5_detach(struct comedi_device *dev) { int i; struct comedi_subdevice *subdev; @@ -496,8 +496,6 @@ static int unioxx5_detach(struct comedi_device *dev) release_region(usp->usp_iobase, UNIOXX5_SIZE); kfree(subdev->private); } - - return 0; } static struct comedi_driver unioxx5_driver = { diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c index 3d300eff493f1..13d9fd3efcfd2 100644 --- a/drivers/staging/comedi/drivers/usbdux.c +++ b/drivers/staging/comedi/drivers/usbdux.c @@ -2823,36 +2823,17 @@ static int usbdux_attach_usb(struct comedi_device *dev, return ret; } -static int usbdux_detach(struct comedi_device *dev) +static void usbdux_detach(struct comedi_device *dev) { - struct usbduxsub *usbduxsub_tmp; + struct usbduxsub *usb = dev->private; - if (!dev) { - printk(KERN_ERR - "comedi?: usbdux: detach without dev variable...\n"); - return -EFAULT; - } - - usbduxsub_tmp = dev->private; - if (!usbduxsub_tmp) { - printk(KERN_ERR - "comedi?: usbdux: detach without ptr to usbduxsub[]\n"); - return -EFAULT; + if (usb) { + down(&usb->sem); + dev->private = NULL; + usb->attached = 0; + usb->comedidev = NULL; + up(&usb->sem); } - - dev_dbg(&usbduxsub_tmp->interface->dev, "comedi%d: detach usb device\n", - dev->minor); - - down(&usbduxsub_tmp->sem); - /* Don't allow detach to free the private structure */ - /* It's one entry of of usbduxsub[] */ - dev->private = NULL; - usbduxsub_tmp->attached = 0; - usbduxsub_tmp->comedidev = NULL; - dev_dbg(&usbduxsub_tmp->interface->dev, - "comedi%d: detach: successfully removed\n", dev->minor); - up(&usbduxsub_tmp->sem); - return 0; } /* main driver struct */ diff --git a/drivers/staging/comedi/drivers/usbduxfast.c b/drivers/staging/comedi/drivers/usbduxfast.c index c672ea3784a61..7b1d21a6fc532 100644 --- a/drivers/staging/comedi/drivers/usbduxfast.c +++ b/drivers/staging/comedi/drivers/usbduxfast.c @@ -1726,43 +1726,19 @@ static int usbduxfast_attach(struct comedi_device *dev, return 0; } -static int usbduxfast_detach(struct comedi_device *dev) +static void usbduxfast_detach(struct comedi_device *dev) { - struct usbduxfastsub_s *udfs; - - if (!dev) { - printk(KERN_ERR "comedi?: usbduxfast: detach without dev " - "variable...\n"); - return -EFAULT; - } -#ifdef CONFIG_COMEDI_DEBUG - printk(KERN_DEBUG "comedi%d: usbduxfast: detach usb device\n", - dev->minor); -#endif - - udfs = dev->private; - if (!udfs) { - printk(KERN_ERR "comedi?: usbduxfast: detach without ptr to " - "usbduxfastsub[]\n"); - return -EFAULT; + struct usbduxfastsub_s *usb = dev->private; + + if (usb) { + down(&usb->sem); + down(&start_stop_sem); + dev->private = NULL; + usb->attached = 0; + usb->comedidev = NULL; + up(&start_stop_sem); + up(&usb->sem); } - - down(&udfs->sem); - down(&start_stop_sem); - /* - * Don't allow detach to free the private structure - * It's one entry of of usbduxfastsub[] - */ - dev->private = NULL; - udfs->attached = 0; - udfs->comedidev = NULL; -#ifdef CONFIG_COMEDI_DEBUG - printk(KERN_DEBUG "comedi%d: usbduxfast: detach: successfully " - "removed\n", dev->minor); -#endif - up(&start_stop_sem); - up(&udfs->sem); - return 0; } /* diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c index f21bb0dd9167f..465afbdf4069d 100644 --- a/drivers/staging/comedi/drivers/usbduxsigma.c +++ b/drivers/staging/comedi/drivers/usbduxsigma.c @@ -2801,37 +2801,17 @@ static int usbduxsigma_attach(struct comedi_device *dev, return 0; } -static int usbduxsigma_detach(struct comedi_device *dev) +static void usbduxsigma_detach(struct comedi_device *dev) { - struct usbduxsub *usbduxsub_tmp; + struct usbduxsub *usb = dev->private; - if (!dev) { - printk(KERN_ERR - "comedi? usbduxsigma detach: dev=NULL\n"); - return -EFAULT; - } - - usbduxsub_tmp = dev->private; - if (!usbduxsub_tmp) { - printk(KERN_ERR - "comedi?: usbduxsigma detach: private=NULL\n"); - return -EFAULT; + if (usb) { + down(&usb->sem); + dev->private = NULL; + usb->attached = 0; + usb->comedidev = NULL; + up(&usb->sem); } - - dev_dbg(&usbduxsub_tmp->interface->dev, - "comedi%d: detach usb device\n", - dev->minor); - - down(&usbduxsub_tmp->sem); - /* Don't allow detach to free the private structure */ - /* It's one entry of of usbduxsub[] */ - dev->private = NULL; - usbduxsub_tmp->attached = 0; - usbduxsub_tmp->comedidev = NULL; - dev_info(&usbduxsub_tmp->interface->dev, - "comedi%d: successfully detached.\n", dev->minor); - up(&usbduxsub_tmp->sem); - return 0; } /* main driver struct */ diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c index d0e106523a56e..baee8d767636a 100644 --- a/drivers/staging/comedi/drivers/vmk80xx.c +++ b/drivers/staging/comedi/drivers/vmk80xx.c @@ -1250,32 +1250,16 @@ static int vmk80xx_attach(struct comedi_device *cdev, return 0; } -static int vmk80xx_detach(struct comedi_device *cdev) +static void vmk80xx_detach(struct comedi_device *dev) { - struct vmk80xx_usb *dev; - int minor; - - if (!cdev) - return -EFAULT; - - dev = cdev->private; - if (!dev) - return -EFAULT; - - down(&dev->limit_sem); - - cdev->private = NULL; - dev->attached = 0; + struct vmk80xx_usb *usb = dev->private; - minor = cdev->minor; - - printk(KERN_INFO - "comedi%d: vmk80xx: board #%d [%s] detached from comedi\n", - minor, dev->count, dev->board.name); - - up(&dev->limit_sem); - - return 0; + if (usb) { + down(&usb->limit_sem); + dev->private = NULL; + usb->attached = 0; + up(&usb->limit_sem); + } } static int vmk80xx_probe(struct usb_interface *intf, -- 2.30.2