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ARM: imx: refactor mxc_iomux_mode()

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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>
This commit is contained in:
Dmitry Voytik 2014-11-06 22:55:04 +04:00 committed by Shawn Guo
parent c400f7a26f
commit c3008735fc
2 changed files with 5 additions and 5 deletions
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8
arch/arm/mach-imx/iomux-imx31.c
View File

@ -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;
}
/*

2
arch/arm/mach-imx/iomux-mx3.h
View File

@ -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