linux-kernel - [PATCH v3] EDAC, mpc85xx: fix build warning

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Date:	Tue,  2 Feb 2016 21:09:33 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Johannes Thumshirn <morbidrsa@...il.com>,
	Doug Thompson <dougthompson@...ssion.com>,
	Borislav Petkov <bp@...en8.de>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>
Cc:	linux-kernel@...r.kernel.org, linux-edac@...r.kernel.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH v3] EDAC, mpc85xx: fix build warning

We were getting build warning about:
drivers/edac/mpc85xx_edac.c:1247:6: warning: unused variable 'pvr'

pvr is only used if CONFIG_FSL_SOC_BOOKE is defined. Use __maybe_unused
while declaring it.

Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
---
 drivers/edac/mpc85xx_edac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index b7139c1..ca63d0d 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -1244,7 +1244,7 @@ static struct platform_driver * const drivers[] = {
 static int __init mpc85xx_mc_init(void)
 {
 	int res = 0;
-	u32 pvr = 0;
+	u32 __maybe_unused pvr = 0;
 
 	printk(KERN_INFO "Freescale(R) MPC85xx EDAC driver, "
 	       "(C) 2006 Montavista Software\n");
-- 
1.9.1