Messages in this thread Patch in this message | | | From | Maxim Levitsky <> | Subject | [PATCH 12/17] MTD: nand: make suspend work if device is accessed by kernel threads. | Date | Fri, 5 Feb 2010 01:30:52 +0200 |
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Since all userspace threads are frozen at the time the nand_suspend is called, they aren't inside any nand function.
We don't call try_to_freeze in nand ether. Thus the only user that can be insize the nand functions is an non freezeable kernel thread. Thus we can safely wait for it to finish.
Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> --- drivers/mtd/nand/nand_base.c | 3 --- 1 files changed, 0 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 29e986e..961c98f 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -744,9 +744,6 @@ nand_get_device(struct nand_chip *chip, struct mtd_info *mtd, int new_state) chip->state = FL_PM_SUSPENDED; spin_unlock(lock); return 0; - } else { - spin_unlock(lock); - return -EAGAIN; } } set_current_state(TASK_UNINTERRUPTIBLE); -- 1.6.3.3
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