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authorLinus Torvalds <torvalds@linux-foundation.org>2018-06-14 09:35:32 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2018-06-14 09:35:32 +0200
commit2837461dbe6f4a9acc0d86f88825888109211c99 (patch)
treeef88b43e1ff159aa6b9ebb4cd8100e29aaee85a2 /drivers/scsi/mpt3sas
parentMerge tag 'platform-drivers-x86-v4.18-1' of git://git.infradead.org/linux-pla... (diff)
parentscsi: qla2xxx: Mask off Scope bits in retry delay (diff)
downloadlinux-2837461dbe6f4a9acc0d86f88825888109211c99.tar.xz
linux-2837461dbe6f4a9acc0d86f88825888109211c99.zip
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley: "This is a set of minor (and safe changes) that didn't make the initial pull request plus some bug fixes" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: qla2xxx: Mask off Scope bits in retry delay scsi: qla2xxx: Fix crash on qla2x00_mailbox_command scsi: aic7xxx: aic79xx: fix potential null pointer dereference on ahd scsi: mpt3sas: Add an I/O barrier scsi: qla2xxx: Fix setting lower transfer speed if GPSC fails scsi: hpsa: disable device during shutdown scsi: sd_zbc: Fix sd_zbc_check_zone_size() error path scsi: aacraid: remove bogus GFP_DMA32 specifies
Diffstat (limited to 'drivers/scsi/mpt3sas')
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_base.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index bf04fa90f433..569392d0d4c9 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -3348,6 +3348,7 @@ _base_mpi_ep_writeq(__u64 b, volatile void __iomem *addr,
spin_lock_irqsave(writeq_lock, flags);
writel((u32)(data_out), addr);
writel((u32)(data_out >> 32), (addr + 4));
+ mmiowb();
spin_unlock_irqrestore(writeq_lock, flags);
}