ahci: don't use MSI for devices with the silly Intel NVMe remapping scheme
authorChristoph Hellwig <hch@lst.de>
Tue, 5 Sep 2017 16:46:47 +0000 (18:46 +0200)
committerTejun Heo <tj@kernel.org>
Wed, 6 Sep 2017 14:36:23 +0000 (07:36 -0700)
commitf723fa4e69920f6a5dd5fa0d10ce90e2f14d189c
tree75754abc829902a310de4fe71d7f6ebf935b555f
parent687abc0f77c239dc4cc93ea5cd27cfad76ddd038
ahci: don't use MSI for devices with the silly Intel NVMe remapping scheme

Intel AHCI controllers that also hide NVMe devices in their bar
can't use MSI interrupts, so disable them.

Reported-by: John Loy <john.robert.loy@gmail.com>
Tested-by: John Loy <john.robert.loy@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Fixes: d684a90d38e2 ("ahci: per-port msix support")
Cc: stable@vger.kernel.org # v4.5+
Signed-off-by: Tejun Heo <tj@kernel.org>
drivers/ata/ahci.c