Hello,

On Wed, Oct 14, 2015 at 04:46:52PM +0800, Tang Yuantian wrote:

kbuild test robot reports the warnings:
drivers/ata/ahci_qoriq.c: In function 'ahci_qoriq_hardreset':

quoted

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include/asm-generic/io.h:163:2: warning: 'px_is' may be used
uninitialized in this function [-Wuninitialized]

drivers/ata/ahci_qoriq.c:70:14: note: 'px_is' was declared here

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include/asm-generic/io.h:163:2: warning: 'px_cmd' may be used
uninitialized in this function [-Wuninitialized]

drivers/ata/ahci_qoriq.c:70:6: note: 'px_cmd' was declared here

This patch fixed it by introducing a local variable.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Hmmm... why is the patch signed off by Arnd?  You can't sign off for
other people.  If this was suggested by Arnd, please use
"Suggested-by:" or "Original-patch-by:".

Thanks.

-- 
tejun