From 55e5750b3e979bac853c0809ad0ef75b7cebd18c Mon Sep 17 00:00:00 2001
From: Dave Jiang <djiang@mvista.com>
Date: Tue, 21 Apr 2009 12:24:56 -0700
Subject: edac: ppc mpc85xx fix mc err detect

Error found by Jeff Haran.

The error detect register is 0s when no errors are detected.  The check
code is incorrect, so reverse check sense.

Reported-by: Jeff Haran <jharan@Brocade.COM>
Signed-off-by: Dave Jiang <djiang@mvista.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index 4637a4a..7c8c2d7 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -674,7 +674,7 @@ static void mpc85xx_mc_check(struct mem_ctl_info *mci)
 	int row_index;
 
 	err_detect = in_be32(pdata->mc_vbase + MPC85XX_MC_ERR_DETECT);
-	if (err_detect)
+	if (!err_detect)
 		return;
 
 	mpc85xx_mc_printk(mci, KERN_ERR, "Err Detect Register: %#8.8x\n",
-- 
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