From 796cfabde5b23e1e506994fd11d2609ec2818e8d Mon Sep 17 00:00:00 2001 From: Vineeth Vijayan Date: Thu, 2 Apr 2020 10:34:02 +0200 Subject: [PATCH] s390/cio: remove pm support from IO subchannel drivers The power-management functions are unused since the 'commit 394216275c7d ("s390: remove broken hibernate / power management support")'. Remove these unused pm callbacks from io-subchannel drivers. Signed-off-by: Vineeth Vijayan Reviewed-by: Peter Oberparleiter Signed-off-by: Heiko Carstens --- drivers/s390/cio/device.c | 14 -------------- 1 file changed, 14 deletions(-) diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index b29fe8d50baf2..9b8ebb29e0070 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -149,19 +149,6 @@ static struct css_device_id io_subchannel_ids[] = { { /* end of list */ }, }; -static int io_subchannel_prepare(struct subchannel *sch) -{ - struct ccw_device *cdev; - /* - * Don't allow suspend while a ccw device registration - * is still outstanding. - */ - cdev = sch_get_cdev(sch); - if (cdev && !device_is_registered(&cdev->dev)) - return -EAGAIN; - return 0; -} - static int io_subchannel_settle(void) { int ret; @@ -186,7 +173,6 @@ static struct css_driver io_subchannel_driver = { .probe = io_subchannel_probe, .remove = io_subchannel_remove, .shutdown = io_subchannel_shutdown, - .prepare = io_subchannel_prepare, .settle = io_subchannel_settle, }; -- 2.30.2