ARM: S5P64X0: Fix GPIO rbank support

The patch removes s3c_gpio_lock/unlock to avoid acquiring the lock
recursively as lock is already acquired by calling function.

Signed-off-by: Atul Dahiya <atul.dahiya@samsung.com>
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
[kgene.kim@samsung.com: removed useless variable due to this]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

diff --git a/arch/arm/mach-s5p64x0/gpio.c b/arch/arm/mach-s5p64x0/gpio.c
index 131eefe..39159dd 100644 (file)
--- a/arch/arm/mach-s5p64x0/gpio.c
+++ b/arch/arm/mach-s5p64x0/gpio.c
@@ -132,7 +132,6 @@ int s5p64x0_gpio_setcfg_4bit_rbank(struct s3c_gpio_chip *chip,
 {
        void __iomem *reg = chip->base;
        unsigned int shift;
-       unsigned long flags;
        u32 con;
 
        switch (off) {
@@ -158,15 +157,11 @@ int s5p64x0_gpio_setcfg_4bit_rbank(struct s3c_gpio_chip *chip,
                cfg <<= shift;
        }
 
-       s3c_gpio_lock(chip, flags);
-
        con = __raw_readl(reg);
        con &= ~(0xf << shift);
        con |= cfg;
        __raw_writel(con, reg);
 
-       s3c_gpio_unlock(chip, flags);
-
        return 0;
 }