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[SCSI] hpsa: do readl after writel in main i/o path to ensure commands don't get...
authorStephen M. Cameron <scameron@beardog.cce.hp.com>
Tue, 3 May 2011 19:58:49 +0000 (14:58 -0500)
committerJames Bottomley <jbottomley@parallels.com>
Tue, 17 May 2011 07:01:43 +0000 (11:01 +0400)
commitd0be5ec8693944c2e2fc0de70fda9dbc1b93bd7d
tree79052aef4a963d9cba5040662b98a2bbe77c7ff9tree | snapshot
parent72ef0e5757c160fc627d2c89b6379bc102ccab5ccommit | diff
[SCSI] hpsa: do readl after writel in main i/o path to ensure commands don't get lost.

Apparently we've been doin it rong for a decade, but only lately do we
run into problems.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
drivers/scsi/hpsa.h diff | blob | history
Domain: System / Kernel;