From: Doug Thompson <dougthompson@xmission.com>
Date: Mon, 3 Aug 2009 10:37:06 +0000 (+0200)
Subject: amd64_edac: fix ECC checking
X-Git-Tag: upstream/snapshot3+hdmi~17920^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=126b67b8d26f6623d199aa59279f2e3243f2144c;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

amd64_edac: fix ECC checking

On the good path of BIOS enabled ECC and no override, the value returned
is 1 by omission and thus is deemed failing by the probe-function.

Allow proper module initialization by clearing the retval explicitly.

Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
---

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 24964c1..5fa924d 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -2977,6 +2977,9 @@ static int amd64_check_ecc_enabled(struct amd64_pvt *pvt)
 			"ECC is enabled by BIOS, Proceeding "
 			"with EDAC module initialization\n");
 
+		/* Signal good ECC status */
+		ret = 0;
+
 		/* CLEAR the override, since BIOS controlled it */
 		ecc_enable_override = 0;
 	}