media: staging/ipu7: Call synchronous RPM suspend in probe failure

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[ Upstream commit 1433e6ccc2 ]

If firmware authentication failed during driver probe, driver call an
asynchronous API to suspend the psys device but the bus device will be
removed soon, thus runtime PM of bus device will be disabled soon, that
will cancel the suspend request, so use synchronous suspend to make
sure the runtime suspend before disabling its RPM.

IPU7 hardware has constraints that the PSYS device must be powered off
before ISYS, otherwise it will cause machine check error.

Cc: Stable@vger.kernel.org
Fixes: b7fe4c0019 ("media: staging/ipu7: add Intel IPU7 PCI device driver")
Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Bingbu Cao 2025-12-23 15:23:01 +08:00 • committed by Sasha Levin

parent 9a8c3cd8a0

commit 8603922f08

1 changed files with 1 additions and 1 deletions

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drivers/staging/media/ipu7/ipu7.c

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