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path: root/drivers/s390/cio/ccwgroup.c
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Diffstat (limited to 'drivers/s390/cio/ccwgroup.c')
-rw-r--r--drivers/s390/cio/ccwgroup.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index e7bd7f37f080..e849289d4f3c 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * drivers/s390/cio/ccwgroup.c 2 * drivers/s390/cio/ccwgroup.c
3 * bus driver for ccwgroup 3 * bus driver for ccwgroup
4 * $Revision: 1.32 $ 4 * $Revision: 1.33 $
5 * 5 *
6 * Copyright (C) 2002 IBM Deutschland Entwicklung GmbH, 6 * Copyright (C) 2002 IBM Deutschland Entwicklung GmbH,
7 * IBM Corporation 7 * IBM Corporation
@@ -45,7 +45,7 @@ ccwgroup_bus_match (struct device * dev, struct device_driver * drv)
45 return 0; 45 return 0;
46} 46}
47static int 47static int
48ccwgroup_hotplug (struct device *dev, char **envp, int num_envp, char *buffer, 48ccwgroup_uevent (struct device *dev, char **envp, int num_envp, char *buffer,
49 int buffer_size) 49 int buffer_size)
50{ 50{
51 /* TODO */ 51 /* TODO */
@@ -55,7 +55,7 @@ ccwgroup_hotplug (struct device *dev, char **envp, int num_envp, char *buffer,
55static struct bus_type ccwgroup_bus_type = { 55static struct bus_type ccwgroup_bus_type = {
56 .name = "ccwgroup", 56 .name = "ccwgroup",
57 .match = ccwgroup_bus_match, 57 .match = ccwgroup_bus_match,
58 .hotplug = ccwgroup_hotplug, 58 .uevent = ccwgroup_uevent,
59}; 59};
60 60
61static inline void 61static inline void
@@ -263,7 +263,7 @@ ccwgroup_set_online(struct ccwgroup_device *gdev)
263 struct ccwgroup_driver *gdrv; 263 struct ccwgroup_driver *gdrv;
264 int ret; 264 int ret;
265 265
266 if (atomic_compare_and_swap(0, 1, &gdev->onoff)) 266 if (atomic_cmpxchg(&gdev->onoff, 0, 1) != 0)
267 return -EAGAIN; 267 return -EAGAIN;
268 if (gdev->state == CCWGROUP_ONLINE) { 268 if (gdev->state == CCWGROUP_ONLINE) {
269 ret = 0; 269 ret = 0;
@@ -289,7 +289,7 @@ ccwgroup_set_offline(struct ccwgroup_device *gdev)
289 struct ccwgroup_driver *gdrv; 289 struct ccwgroup_driver *gdrv;
290 int ret; 290 int ret;
291 291
292 if (atomic_compare_and_swap(0, 1, &gdev->onoff)) 292 if (atomic_cmpxchg(&gdev->onoff, 0, 1) != 0)
293 return -EAGAIN; 293 return -EAGAIN;
294 if (gdev->state == CCWGROUP_OFFLINE) { 294 if (gdev->state == CCWGROUP_OFFLINE) {
295 ret = 0; 295 ret = 0;