From: Gavin Shan Date: Tue, 2 Aug 2016 04:10:30 +0000 (+1000) Subject: powerpc/powernv: Use CPU-endian hub diag-data type in pnv_eeh_get_and_dump_hub_diag() X-Git-Tag: v4.9-rc1~26^2~38 X-Git-Url: http://git.cascardo.eti.br/?a=commitdiff_plain;h=a7032132d7560a8434e1f54b71efd7fa20f073bd;p=cascardo%2Flinux.git powerpc/powernv: Use CPU-endian hub diag-data type in pnv_eeh_get_and_dump_hub_diag() 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: 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: stable@vger.kernel.org # v4.1+ Suggested-by: Michael Ellerman Signed-off-by: Gavin Shan Reviewed-by: Russell Currey Signed-off-by: Michael Ellerman --- diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c index 1596a7e3ff19..2354ea51e871 100644 --- a/arch/powerpc/platforms/powernv/eeh-powernv.c +++ b/arch/powerpc/platforms/powernv/eeh-powernv.c @@ -1314,7 +1314,7 @@ static void pnv_eeh_get_and_dump_hub_diag(struct pci_controller *hose) return; } - switch (data->type) { + switch (be16_to_cpu(data->type)) { case OPAL_P7IOC_DIAG_TYPE_RGC: pr_info("P7IOC diag-data for RGC\n\n"); pnv_eeh_dump_hub_diag_common(data);