linux-kernel - [PATCH 3.12 17/72] powerpc/powernv: Use CPU-endian PEST in pnv_pci_dump_p7ioc_diag

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Message-Id: <b63c03afdd5a1f3875c06e9d57d7c87ffc893f17.1478523828.git.jslaby@suse.cz>
Date:   Mon,  7 Nov 2016 14:04:24 +0100
From:   Jiri Slaby <jslaby@...e.cz>
To:     stable@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Gavin Shan <gwshan@...ux.vnet.ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 17/72] powerpc/powernv: Use CPU-endian PEST in pnv_pci_dump_p7ioc_diag_data()

From: Gavin Shan <gwshan@...ux.vnet.ibm.com>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 5adaf8629b193f185ca5a1665b9e777a0579f518 upstream.

This fixes the warnings reported from sparse:

  pci.c:312:33: warning: restricted __be64 degrades to integer
  pci.c:313:33: warning: restricted __be64 degrades to integer

Fixes: cee72d5bb489 ("powerpc/powernv: Display diag data on p7ioc EEH errors")
Signed-off-by: Gavin Shan <gwshan@...ux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@...erman.id.au>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 arch/powerpc/platforms/powernv/pci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index 52746b3caf08..ec78cdb13288 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -179,8 +179,8 @@ static void pnv_pci_dump_p7ioc_diag_data(struct pnv_phb *phb)
 	pr_info("  dma1ErrorLog1        = 0x%016llx\n", data->dma1ErrorLog1);
 
 	for (i = 0; i < OPAL_P7IOC_NUM_PEST_REGS; i++) {
-		if ((data->pestA[i] >> 63) == 0 &&
-		    (data->pestB[i] >> 63) == 0)
+		if ((be64_to_cpu(data->pestA[i]) >> 63) == 0 &&
+		    (be64_to_cpu(data->pestB[i]) >> 63) == 0)
 			continue;
 		pr_info("  PE[%3d] PESTA        = 0x%016llx\n", i, data->pestA[i]);
 		pr_info("          PESTB        = 0x%016llx\n", data->pestB[i]);
-- 
2.10.2