Thread (4 messages) flat view 4 messages, 2 authors, 2016-08-02
STALE3656d

[PATCH] powerpc/powernv: Fix BE PE number to opal_pci_eeh_freeze_clear()

From: Gavin Shan <hidden>
Date: 2016-08-01 07:03:19
Subsystem: linux for powerpc (32-bit and 64-bit), pci enhanced error handling (eeh) for powerpc, the rest · Maintainers: Madhavan Srinivasan, Mahesh J Salgaonkar, Linus Torvalds

The PE number (@frozen_pe_no), filled by opal_pci_next_error() is
in big-endian format. Frozen PE number in CPU-endian should be passed
to opal_pci_eeh_freeze_clear() when clearing the frozen state if the
PE is invalid one.

This passes CPU-endian PE number to opal_pci_eeh_freeze_clear() and
it should be part of commit <0f36db77643b> ("powerpc/eeh: Fix wrong
printed PE number").

Cc: stable@vger.kernel.org # v4.3+
Suggested-by: Paul Mackerras <redacted>
Signed-off-by: Gavin Shan <redacted>
---
 arch/powerpc/platforms/powernv/eeh-powernv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c
index 86544ea..75363d9 100644
--- a/arch/powerpc/platforms/powernv/eeh-powernv.c
+++ b/arch/powerpc/platforms/powernv/eeh-powernv.c
@@ -1538,7 +1538,7 @@ static int pnv_eeh_next_error(struct eeh_pe **pe)
 
 				/* Try best to clear it */
 				opal_pci_eeh_freeze_clear(phb->opal_id,
-					frozen_pe_no,
+					be64_to_cpu(frozen_pe_no),
 					OPAL_EEH_ACTION_CLEAR_FREEZE_ALL);
 				ret = EEH_NEXT_ERR_NONE;
 			} else if ((*pe)->state & EEH_PE_ISOLATED ||
-- 
2.1.0
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