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-rw-r--r--arch/arm/include/asm/arch-exynos/gpio.h19
-rw-r--r--arch/arm/include/asm/arch-s5pc1xx/gpio.h7
-rw-r--r--drivers/gpio/s5p_gpio.c6
3 files changed, 29 insertions, 3 deletions
diff --git a/arch/arm/include/asm/arch-exynos/gpio.h b/arch/arm/include/asm/arch-exynos/gpio.h
index 97be4eac05..4db8fd640e 100644
--- a/arch/arm/include/asm/arch-exynos/gpio.h
+++ b/arch/arm/include/asm/arch-exynos/gpio.h
@@ -207,6 +207,25 @@ static inline unsigned int s5p_gpio_base(int nr)
return 0;
}
+static inline unsigned int s5p_gpio_part_max(int nr)
+{
+ if (cpu_is_exynos5()) {
+ if (nr < EXYNOS5_GPIO_PART1_MAX)
+ return 0;
+ else if (nr < EXYNOS5_GPIO_PART2_MAX)
+ return EXYNOS5_GPIO_PART1_MAX;
+ else
+ return EXYNOS5_GPIO_PART2_MAX;
+
+ } else if (cpu_is_exynos4()) {
+ if (nr < EXYNOS4_GPIO_PART1_MAX)
+ return 0;
+ else
+ return EXYNOS4_GPIO_PART1_MAX;
+ }
+
+ return 0;
+}
#endif
/* Pin configurations */
diff --git a/arch/arm/include/asm/arch-s5pc1xx/gpio.h b/arch/arm/include/asm/arch-s5pc1xx/gpio.h
index 76b901b397..00e498d834 100644
--- a/arch/arm/include/asm/arch-s5pc1xx/gpio.h
+++ b/arch/arm/include/asm/arch-s5pc1xx/gpio.h
@@ -143,7 +143,12 @@ static inline unsigned int s5p_gpio_base(int nr)
return S5PC110_GPIO_BASE;
}
-#define s5pc110_gpio_get_nr(bank, pin) \
+static inline unsigned int s5p_gpio_part_max(int nr)
+{
+ return 0;
+}
+
+#define s5pc110_gpio_get_nr(bank, pin) \
((((((unsigned int)&(((struct s5pc110_gpio *)S5PC110_GPIO_BASE)->bank))\
- S5PC110_GPIO_BASE) / sizeof(struct s5p_gpio_bank)) \
* GPIO_PER_BANK) + pin)
diff --git a/drivers/gpio/s5p_gpio.c b/drivers/gpio/s5p_gpio.c
index 47f3213927..656bf4a06c 100644
--- a/drivers/gpio/s5p_gpio.c
+++ b/drivers/gpio/s5p_gpio.c
@@ -144,9 +144,11 @@ void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode)
struct s5p_gpio_bank *s5p_gpio_get_bank(unsigned gpio)
{
- int bank = gpio / GPIO_PER_BANK;
- bank *= sizeof(struct s5p_gpio_bank);
+ int bank;
+ unsigned g = gpio - s5p_gpio_part_max(gpio);
+ bank = g / GPIO_PER_BANK;
+ bank *= sizeof(struct s5p_gpio_bank);
return (struct s5p_gpio_bank *) (s5p_gpio_base(gpio) + bank);
}