This is a note to let you know that I've just added the patch titled
hpsa: fix non-x86 builds
to the 3.16-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
hpsa-fix-non-x86-builds.patch
and it can be found in the queue-3.16 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 0b9e7b741f2bf8103b15bb14d5b4a6f5ee91c59a Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@xxxxxxxx>
Date: Thu, 26 Jun 2014 15:44:52 +0200
Subject: hpsa: fix non-x86 builds
From: Arnd Bergmann <arnd@xxxxxxxx>
commit 0b9e7b741f2bf8103b15bb14d5b4a6f5ee91c59a upstream.
commit 28e134464734 "[SCSI] hpsa: enable unit attention reporting"
turns on unit attention notifications, but got the change wrong for
all architectures other than x86, which now store an uninitialized
value into the device register.
Gcc helpfully warns about this:
../drivers/scsi/hpsa.c: In function 'hpsa_set_driver_support_bits':
../drivers/scsi/hpsa.c:6373:17: warning: 'driver_support' is used uninitialized in this function [-Wuninitialized]
driver_support |= ENABLE_UNIT_ATTN;
^
This moves the #ifdef so only the prefetch-enable is conditional
on x86, not also reading the initial register contents.
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Fixes: 28e134464734 "[SCSI] hpsa: enable unit attention reporting"
Acked-by: Stephen M. Cameron <scameron@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/hpsa.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -6365,9 +6365,9 @@ static inline void hpsa_set_driver_suppo
{
u32 driver_support;
-#ifdef CONFIG_X86
- /* Need to enable prefetch in the SCSI core for 6400 in x86 */
driver_support = readl(&(h->cfgtable->driver_support));
+ /* Need to enable prefetch in the SCSI core for 6400 in x86 */
+#ifdef CONFIG_X86
driver_support |= ENABLE_SCSI_PREFETCH;
#endif
driver_support |= ENABLE_UNIT_ATTN;
Patches currently in stable-queue which might be from arnd@xxxxxxxx are
queue-3.16/crypto-ux500-make-interrupt-mode-plausible.patch
queue-3.16/hpsa-fix-non-x86-builds.patch
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