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authorVineeth Vijayan <vneethv@linux.ibm.com>2020-09-28 21:29:01 +0200
committerHeiko Carstens <hca@linux.ibm.com>2020-12-02 18:19:24 +0100
commit74cee7f3b0ea7fd6231f037ce37be6d9c6d2b4b6 (patch)
tree4dd1dca5151fa64032291003f63e04d5044065db
parent2f6ea6fb88ab9d517644a098fc670b4d5dd1735e (diff)
downloadlinux-74cee7f3b0ea7fd6231f037ce37be6d9c6d2b4b6.tar.bz2
s390/vmur: remove unused pm related functions
The Power-management related functions are unused since 'commit 394216275c7d ("s390: remove broken hibernate / power management support")'. Remove them from the unit-record device driver. Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
-rw-r--r--drivers/s390/char/vmur.c24
1 files changed, 0 insertions, 24 deletions
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c
index cbde65ab2170..1bbf27b98cf6 100644
--- a/drivers/s390/char/vmur.c
+++ b/drivers/s390/char/vmur.c
@@ -62,7 +62,6 @@ static int ur_probe(struct ccw_device *cdev);
static void ur_remove(struct ccw_device *cdev);
static int ur_set_online(struct ccw_device *cdev);
static int ur_set_offline(struct ccw_device *cdev);
-static int ur_pm_suspend(struct ccw_device *cdev);
static struct ccw_driver ur_driver = {
.driver = {
@@ -74,7 +73,6 @@ static struct ccw_driver ur_driver = {
.remove = ur_remove,
.set_online = ur_set_online,
.set_offline = ur_set_offline,
- .freeze = ur_pm_suspend,
.int_class = IRQIO_VMR,
};
@@ -165,28 +163,6 @@ static void urdev_put(struct urdev *urd)
}
/*
- * State and contents of ur devices can be changed by class D users issuing
- * CP commands such as PURGE or TRANSFER, while the Linux guest is suspended.
- * Also the Linux guest might be logged off, which causes all active spool
- * files to be closed.
- * So we cannot guarantee that spool files are still the same when the Linux
- * guest is resumed. In order to avoid unpredictable results at resume time
- * we simply refuse to suspend if a ur device node is open.
- */
-static int ur_pm_suspend(struct ccw_device *cdev)
-{
- struct urdev *urd = dev_get_drvdata(&cdev->dev);
-
- TRACE("ur_pm_suspend: cdev=%p\n", cdev);
- if (urd->open_flag) {
- pr_err("Unit record device %s is busy, %s refusing to "
- "suspend.\n", dev_name(&cdev->dev), ur_banner);
- return -EBUSY;
- }
- return 0;
-}
-
-/*
* Low-level functions to do I/O to a ur device.
* alloc_chan_prog
* free_chan_prog