EDAC, mpc85xx: Silence unused variable warning

We were getting this build warning:

  drivers/edac/mpc85xx_edac.c:1247:6: warning: unused variable 'pvr'

pvr is only used if CONFIG_FSL_SOC_BOOKE is defined. Declare it
__maybe_unused.

Suggested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1454427573-7994-1-git-send-email-sudipm.mukherjee@gmail.com
Signed-off-by: Borislav Petkov <bp@suse.de>

diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index b7139c1..ca63d0d 100644 (file)
--- 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");