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Niklas Cassel 7a2719b122 scsi: libsas: Add dev_parent_is_expander() helper ...

[ Upstream commit e5eb72c92e ]

Many libsas drivers check if the parent of the device is an expander.
Create a helper that the libsas drivers will use in follow up commits.

Suggested-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Link: https://lore.kernel.org/r/20250814173215.1765055-15-cassel@kernel.org
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Stable-dep-of: ad70c6bc77 ("scsi: pm80xx: Fix pm8001_abort_task() for chip_8006 when using an expander")
Signed-off-by: Sasha Levin <sashal@kernel.org>

2025-10-15 12:03:43 +02:00

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