On Tue, 2016-02-08 at 04:10:30 UTC, Gavin Shan wrote:
> The hub diag-data type is filled with big-endian data by OPAL call
> opal_pci_get_hub_diag_data(). We need convert it to CPU-endian value
> before using it. The issue is reported by sparse as pointed by Michael
> Ellerman:
>
> gwshan@gwshan:~/sandbox/l$ make C=2 CF=-D__CHECK_ENDIAN__ \
> arch/powerpc/platforms/powernv/eeh-powernv.o
> :
> arch/powerpc/platforms/powernv/eeh-powernv.c:1309:21: \
> warning: restricted __be16 degrades to integer
> arch/powerpc/platforms/powernv/eeh-powernv.c:1309:21: \
> warning: restricted __be16 degrades to integer
> arch/powerpc/platforms/powernv/eeh-powernv.c:1309:21: \
> warning: restricted __be16 degrades to integer
> arch/powerpc/platforms/powernv/eeh-powernv.c:1309:21: \
> warning: restricted __be16 degrades to integer
> arch/powerpc/platforms/powernv/eeh-powernv.c:1309:21: \
> warning: restricted __be16 degrades to integer
>
> This converts hub diag-data type to CPU-endian before using it in
> pnv_eeh_get_and_dump_hub_diag().
>
> Fixes: 2a485ad7c88d ("powerpc/powernv: Drop PHB operation next_error()")
> Cc: sta...@vger.kernel.org # v4.1+
> Suggested-by: Michael Ellerman <m...@ellerman.id.au>
> Signed-off-by: Gavin Shan <gws...@linux.vnet.ibm.com>
> Reviewed-by: Russell Currey <rus...@russell.cc>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/a7032132d7560a8434e1f54b71efd7
cheers
