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powerpc/powernv: Use CPU-endian hub diag-data type in pnv_eeh_get_and_dump_hub_diag()

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commit a7032132d7560a8434e1f54b71efd7fa20f073bd upstream.

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: 2a485ad7c8 ("powerpc/powernv: Drop PHB operation next_error()")
Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Reviewed-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gavin Shan 2016-08-02 14:10:30 +10:00 • committed by Greg Kroah-Hartman
parent f0a933ef44
commit 450a3ad866
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/platforms/powernv/eeh-powernv.c
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@ -1163,7 +1163,7 @@ 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);