media: imx-jpeg: Disable useless interrupt to avoid kernel panic
authorMing Qian <ming.qian@nxp.com>
Thu, 4 Aug 2022 09:38:41 +0000 (17:38 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 31 Dec 2022 12:14:40 +0000 (13:14 +0100)
commitad31bc146f0e4521805695f4f99d8a3c3b2761f6
tree88513447ea8f72809f728eff721df5a2bc9e8b0c
parent6e1a6880e1e9b374ea0ac11a078d02726705ebf6
media: imx-jpeg: Disable useless interrupt to avoid kernel panic

[ Upstream commit c3720e65c9013a7b2a5dbb63e6bf6d74a35dd894 ]

There is a hardware bug that the interrupt STMBUF_HALF may be triggered
after or when disable interrupt.
It may led to unexpected kernel panic.
And interrupt STMBUF_HALF and STMBUF_RTND have no other effect.
So disable them and the unused interrupts.

meanwhile clear the interrupt status when disable interrupt.

Signed-off-by: Ming Qian <ming.qian@nxp.com>
Reviewed-by: Mirela Rabulea <mirela.rabulea@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/media/platform/imx-jpeg/mxc-jpeg-hw.c