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authorJohannes Berg <johannes@sipsolutions.net>2009-01-19 11:20:52 -0500
committerJohn W. Linville <linville@tuxdriver.com>2009-01-29 16:00:51 -0500
commit0378b3f1c49d48ed524eabda7e4340163d9483c9 (patch)
tree98ba4934248151f1e28abe67a4318d05ffeb83bf /net/wireless/sysfs.c
parente0463f501fb945c1fde536d98eefc5ba156ff497 (diff)
downloadlinux-0378b3f1c49d48ed524eabda7e4340163d9483c9.tar.bz2
cfg80211: add PM hooks
This should help implement suspend/resume in mac80211, these hooks will be run before the device is suspended and after it resumes. Therefore, they can touch the hardware as much as they want to. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless/sysfs.c')
-rw-r--r--net/wireless/sysfs.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c
index 79a382877641..26a72b0797a0 100644
--- a/net/wireless/sysfs.c
+++ b/net/wireless/sysfs.c
@@ -55,6 +55,34 @@ static int wiphy_uevent(struct device *dev, struct kobj_uevent_env *env)
}
#endif
+static int wiphy_suspend(struct device *dev, pm_message_t state)
+{
+ struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
+ int ret = 0;
+
+ if (rdev->ops->suspend) {
+ rtnl_lock();
+ ret = rdev->ops->suspend(&rdev->wiphy);
+ rtnl_unlock();
+ }
+
+ return ret;
+}
+
+static int wiphy_resume(struct device *dev)
+{
+ struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
+ int ret = 0;
+
+ if (rdev->ops->resume) {
+ rtnl_lock();
+ ret = rdev->ops->resume(&rdev->wiphy);
+ rtnl_unlock();
+ }
+
+ return ret;
+}
+
struct class ieee80211_class = {
.name = "ieee80211",
.owner = THIS_MODULE,
@@ -63,6 +91,8 @@ struct class ieee80211_class = {
#ifdef CONFIG_HOTPLUG
.dev_uevent = wiphy_uevent,
#endif
+ .suspend = wiphy_suspend,
+ .resume = wiphy_resume,
};
int wiphy_sysfs_init(void)