omap2: fix assorted compiler warnings

This patch fixes these compiler warnings:

  CC      arch/arm/mach-omap2/mux.o
arch/arm/mach-omap2/mux.c: In function 'omap_mux_init_gpio':
arch/arm/mach-omap2/mux.c:90: warning: 'gpio_mux' may be used uninitial
ized in this function

  CC      arch/arm/plat-omap/gpio.o
arch/arm/plat-omap/gpio.c: In function 'omap2_gpio_resume_after_idle':
arch/arm/plat-omap/gpio.c:2152: warning: 'l' may be used uninitialized
in this function
arch/arm/plat-omap/gpio.c: In function 'omap2_gpio_prepare_for_idle':
arch/arm/plat-omap/gpio.c:2085: warning: 'l2' may be used uninitialized
in this function
arch/arm/plat-omap/gpio.c:2085: warning: 'l1' may be used uninitialized
in this function

  CC      arch/arm/mach-omap2/board-omap4panda.o
arch/arm/mach-omap2/board-omap4panda.c: In function 'omap4_panda_init':
arch/arm/mach-omap2/board-omap4panda.c:277: warning: unused variable 's
tatus'

Signed-off-by: Sanjeev Premi <premi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index ab403b2ed26b..6c2f8f0c0edb 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -87,7 +87,7 @@ static char *omap_mux_options;
 int __init omap_mux_init_gpio(int gpio, int val)
 {
         struct omap_mux_entry *e;
-        struct omap_mux *gpio_mux;
+        struct omap_mux *gpio_mux = NULL;
         u16 old_mode;
         u16 mux_mode;
         int found = 0;