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authorLuis R. Rodriguez <lrodriguez@atheros.com>2009-07-30 04:08:07 +0400
committerJohn W. Linville <linville@tuxdriver.com>2009-08-05 00:44:14 +0400
commit42935ecaf4e784d0815afa9a7e5fe7e141157ca3 (patch)
treedc0a0dcfff761e98d8a2a23a7edc8f9182c2774c /drivers/net/wireless/b43/phy_common.c
parent64344d78228f6346a0462ba2d5fc03494aef4e6b (diff)
downloadlinux-42935ecaf4e784d0815afa9a7e5fe7e141157ca3.tar.xz
mac80211: redefine usage of the mac80211 workqueue
The mac80211 workqueue exists to enable mac80211 and drivers to queue their own work on a single threaded workqueue. mac80211 takes care to flush the workqueue during suspend but we never really had requirements on drivers for how they should use the workqueue in consideration for suspend. We extend mac80211 to document how the mac80211 workqueue should be used, how it should not be used and finally move raw access to the workqueue to mac80211 only. Drivers and mac80211 use helpers to queue work onto the mac80211 workqueue: * ieee80211_queue_work() * ieee80211_queue_delayed_work() These helpers will now warn if mac80211 already completed its suspend cycle and someone is trying to queue work. mac80211 flushes the mac80211 workqueue prior to suspend a few times, but we haven't taken the care to ensure drivers won't add more work after suspend. To help with this we add a warning when someone tries to add work and mac80211 already completed the suspend cycle. Drivers should ensure they cancel any work or delayed work in the mac80211 stop() callback. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/phy_common.c')
-rw-r--r--drivers/net/wireless/b43/phy_common.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c
index 6d241622210e..f537bfef690a 100644
--- a/drivers/net/wireless/b43/phy_common.c
+++ b/drivers/net/wireless/b43/phy_common.c
@@ -352,7 +352,7 @@ void b43_phy_txpower_check(struct b43_wldev *dev, unsigned int flags)
/* We must adjust the transmission power in hardware.
* Schedule b43_phy_txpower_adjust_work(). */
- queue_work(dev->wl->hw->workqueue, &dev->wl->txpower_adjust_work);
+ ieee80211_queue_work(dev->wl->hw, &dev->wl->txpower_adjust_work);
}
int b43_phy_shm_tssi_read(struct b43_wldev *dev, u16 shm_offset)