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authorTejun Heo <tj@kernel.org>2011-11-21 12:32:22 -0800
committerTejun Heo <tj@kernel.org>2011-11-21 12:32:22 -0800
commit3a7cbd50f74907580eb47a8d08e1f29741b81abf (patch)
tree515b7d9b9fa85c20ecf6779d563371b666a8b991 /drivers/mfd/twl6030-irq.c
parent50fb4f7fc907efff65eadb0b74387a9ffed6e849 (diff)
downloadlinux-3a7cbd50f74907580eb47a8d08e1f29741b81abf.tar.gz
freezer: don't unnecessarily set PF_NOFREEZE explicitly
Some drivers set PF_NOFREEZE in their kthread functions which is completely unnecessary and racy - some part of freezer code doesn't consider cases where PF_NOFREEZE is set asynchronous to freezer operations. In general, there's no reason to allow setting PF_NOFREEZE explicitly. Remove them and change the documentation to note that setting PF_NOFREEZE directly isn't allowed. -v2: Dropped change to twl4030-irq.c as it no longer uses PF_NOFREEZE. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: "Gustavo F. Padovan" <padovan@profusion.mobi> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Cc: Marcel Holtmann <marcel@holtmann.org> Cc: wwang <wei_wang@realsil.com.cn>
Diffstat (limited to 'drivers/mfd/twl6030-irq.c')
-rw-r--r--drivers/mfd/twl6030-irq.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/mfd/twl6030-irq.c b/drivers/mfd/twl6030-irq.c
index 3eee45ffb096..c6b456ad7342 100644
--- a/drivers/mfd/twl6030-irq.c
+++ b/drivers/mfd/twl6030-irq.c
@@ -138,8 +138,6 @@ static int twl6030_irq_thread(void *data)
static const unsigned max_i2c_errors = 100;
int ret;
- current->flags |= PF_NOFREEZE;
-
while (!kthread_should_stop()) {
int i;
union {