From 15b1b0f0d87e34a87172d9b83bd260543a991c2e Mon Sep 17 00:00:00 2001
From: Federico Vaga <federico.vaga@cern.ch>
Date: Tue, 18 Jul 2017 08:33:13 +0200
Subject: [PATCH] drivers/fmc: change registration prototype
Permit use of either fmc_device_register_n or fmc_device_register_n_gw
depending on the type of device in use.
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
Tested-by: Pat Riehecky <riehecky@fnal.gov>
Acked-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/fmc/fmc-core.c | 15 ++++++++++++++-
include/linux/fmc.h | 13 +++++++++++--
2 files changed, 25 insertions(+), 3 deletions(-)
diff --git a/drivers/fmc/fmc-core.c b/drivers/fmc/fmc-core.c
index ef6d8acb0a81f..eabeac04dddab 100644
--- a/drivers/fmc/fmc-core.c
+++ b/drivers/fmc/fmc-core.c
@@ -199,7 +199,8 @@ EXPORT_SYMBOL(fmc_driver_unregister);
* When a device set is registered, all eeproms must be read
* and all FRUs must be parsed
*/
-int fmc_device_register_n(struct fmc_device **devs, int n)
+int fmc_device_register_n_gw(struct fmc_device **devs, int n,
+ struct fmc_gateware *gw)
{
struct fmc_device *fmc, **devarray;
uint32_t device_id;
@@ -313,8 +314,20 @@ out:
return ret;
}
+EXPORT_SYMBOL(fmc_device_register_n_gw);
+
+int fmc_device_register_n(struct fmc_device **devs, int n)
+{
+ return fmc_device_register_n_gw(devs, n, NULL);
+}
EXPORT_SYMBOL(fmc_device_register_n);
+int fmc_device_register_gw(struct fmc_device *fmc, struct fmc_gateware *gw)
+{
+ return fmc_device_register_n_gw(&fmc, 1, gw);
+}
+EXPORT_SYMBOL(fmc_device_register_gw);
+
int fmc_device_register(struct fmc_device *fmc)
{
return fmc_device_register_n(&fmc, 1);
diff --git a/include/linux/fmc.h b/include/linux/fmc.h
index 5c8df0c49fc34..b6c73d54ca463 100644
--- a/include/linux/fmc.h
+++ b/include/linux/fmc.h
@@ -220,14 +220,23 @@ static inline void fmc_set_drvdata(struct fmc_device *fmc, void *data)
dev_set_drvdata(&fmc->dev, data);
}
-/* The 4 access points */
+struct fmc_gateware {
+ void *bitstream;
+ unsigned long len;
+};
+
+/* The 5 access points */
extern int fmc_driver_register(struct fmc_driver *drv);
extern void fmc_driver_unregister(struct fmc_driver *drv);
extern int fmc_device_register(struct fmc_device *tdev);
+extern int fmc_device_register_gw(struct fmc_device *tdev,
+ struct fmc_gateware *gw);
extern void fmc_device_unregister(struct fmc_device *tdev);
-/* Two more for device sets, all driven by the same FPGA */
+/* Three more for device sets, all driven by the same FPGA */
extern int fmc_device_register_n(struct fmc_device **devs, int n);
+extern int fmc_device_register_n_gw(struct fmc_device **devs, int n,
+ struct fmc_gateware *gw);
extern void fmc_device_unregister_n(struct fmc_device **devs, int n);
/* Internal cross-calls between files; not exported to other modules */
--
2.30.2