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authorPierre Ossman <drzeus@drzeus.cx>2006-10-04 05:15:41 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-04 10:55:15 -0400
commit7104e2d5a85b4b786d6a63568beffe1e185547bb (patch)
tree1478b1076a66476a121e687dd9547d5c08d9c3ba /drivers/mmc/mmc.h
parent8a4da1430f7f2a16df3be9c7b5d55ba4e75b708c (diff)
[PATCH] mmc: use own work queue
The MMC layer uses the standard work queue for doing card detection. As this queue is shared with other crucial subsystems, the effects of a long (and perhaps buggy) detection can cause the system to be unusable. E.g. the keyboard stops working while the detection routine is running. The solution is to add a specific mmc work queue to run the detection code in. This is similar to how other subsystems handle detection (a full kernel thread is the most common theme). Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/mmc/mmc.h')
-rw-r--r--drivers/mmc/mmc.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/mmc.h b/drivers/mmc/mmc.h
index 97bae00292fa..cd5e0ab3d84b 100644
--- a/drivers/mmc/mmc.h
+++ b/drivers/mmc/mmc.h
@@ -18,4 +18,8 @@ struct mmc_host *mmc_alloc_host_sysfs(int extra, struct device *dev);
18int mmc_add_host_sysfs(struct mmc_host *host); 18int mmc_add_host_sysfs(struct mmc_host *host);
19void mmc_remove_host_sysfs(struct mmc_host *host); 19void mmc_remove_host_sysfs(struct mmc_host *host);
20void mmc_free_host_sysfs(struct mmc_host *host); 20void mmc_free_host_sysfs(struct mmc_host *host);
21
22int mmc_schedule_work(struct work_struct *work);
23int mmc_schedule_delayed_work(struct work_struct *work, unsigned long delay);
24void mmc_flush_scheduled_work(void);
21#endif 25#endif