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(parent: 43f7c72) | patch
hpsa: do not attempt to read from a write-only register
authorStephen M. Cameron <scameron@beardog.cce.hp.com>
Thu, 21 Jul 2011 18:16:05 +0000 (13:16 -0500)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 5 Aug 2011 04:58:36 +0000 (21:58 -0700)
commitfbb04a1c17686592b5e74e45e210f20c40b68d08
treeed23ccee420c389294cb5c337f740bb62bd0a563tree | snapshot
parent43f7c7261fc45a4c09fbd56c0a76dcdf55d8e8f3commit | diff
hpsa: do not attempt to read from a write-only register

commit fec62c368b9c8b05d5124ca6c3b8336b537f26f3 upstream.

Most smartarrays tolerate it, but a few new ones don't.
Without this change some newer Smart Arrays will lock up
and i/o will grind to a halt.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/scsi/hpsa.h diff | blob | history
Linux kernel for KaRo TX COM modules