ce122258ed
Change to use mutex instead of spinlock for buffer list lock to fix sleeping in atomic context warnings reported by the Smatch tool. Fixes: 70721089985c ("media: nuvoton: Add driver for NPCM video capture and encoding engine") Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Marvin Lin <milkfafa@gmail.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>