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media: pci: cx23885: Replace mdelay() with msleep() and usleep_range() in altera_ci_slot_reset()

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altera_ci_slot_reset() is never called in atomic context.
It calls mdelay() to busily wait, which is not necessary.
mdelay() can be replaced with msleep().

This is found by a static analysis tool named DCNS written by myself.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Jia-Ju Bai
2018-07-26 23:09:46 -04:00
committed by Mauro Carvalho Chehab
parent da27ef6875
commit ccb2ca78a7
1 changed files with 1 additions and 1 deletions
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2
drivers/media/pci/cx23885/altera-ci.c
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@@ -346,7 +346,7 @@ static int altera_ci_slot_reset(struct dvb_ca_en50221 *en50221, int slot)
mutex_unlock(&inter->fpga_mutex);
for (;;) {
mdelay(50);
msleep(50);
mutex_lock(&inter->fpga_mutex);