ARM: imx: refactor mxc_iomux_mode()

Refactor mxc_iomux_mode():
 - since it always returns 0 make it to return void
 - remove unnecessary ret variable
 - declare variables according to the kernel coding style

Signed-off-by: Dmitry Voytik <voytikd@gmail.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

2 files changed, 5 insertions, 5 deletions

diff --git a/arch/arm/mach-imx/iomux-imx31.c b/arch/arm/mach-imx/iomux-imx31.c
index 1657fe64cd0f..d6a30753ca7c 100644
--- a/arch/arm/mach-imx/iomux-imx31.c
+++ b/arch/arm/mach-imx/iomux-imx31.c
@@ -44,9 +44,11 @@ static unsigned long mxc_pin_alloc_map[NB_PORTS * 32 / BITS_PER_LONG];
 /*
  * set the mode for a IOMUX pin.
  */
-int mxc_iomux_mode(unsigned int pin_mode)
+void mxc_iomux_mode(unsigned int pin_mode)
 {
-        u32 field, l, mode, ret = 0;
+        u32 field;
+        u32 l;
+        u32 mode;
         void __iomem *reg;
 
         reg = IOMUXSW_MUX_CTL + (pin_mode & IOMUX_REG_MASK);
@@ -61,8 +63,6 @@ int mxc_iomux_mode(unsigned int pin_mode)
         __raw_writel(l, reg);
 
         spin_unlock(&gpio_mux_lock);
-
-        return ret;
 }
 
 /*
diff --git a/arch/arm/mach-imx/iomux-mx3.h b/arch/arm/mach-imx/iomux-mx3.h
index f79f78a1c0ed..0a5adba61e0b 100644
--- a/arch/arm/mach-imx/iomux-mx3.h
+++ b/arch/arm/mach-imx/iomux-mx3.h
@@ -144,7 +144,7 @@ void mxc_iomux_set_gpr(enum iomux_gp_func, bool en);
  * It is called by the setup functions and should not be called directly anymore.
  * It is here visible for backward compatibility
  */
-int mxc_iomux_mode(unsigned int pin_mode);
+void mxc_iomux_mode(unsigned int pin_mode);
 
 #define IOMUX_PADNUM_MASK       0x1ff
 #define IOMUX_GPIONUM_SHIFT     9