3 files changed, 15 insertions, 37 deletions

diff --git a/drivers/pinctrl/pinctrl-exynos.c b/drivers/pinctrl/pinctrl-exynos.c
index b5dbb87800fd..8b10b1ac9071 100644
--- a/drivers/pinctrl/pinctrl-exynos.c
+++ b/drivers/pinctrl/pinctrl-exynos.c
@@ -37,10 +37,12 @@
 
 static struct samsung_pin_bank_type bank_type_off = {
         .fld_width = { 4, 1, 2, 2, 2, 2, },
+        .reg_offset = { 0x00, 0x04, 0x08, 0x0c, 0x10, 0x14, },
 };
 
 static struct samsung_pin_bank_type bank_type_alive = {
         .fld_width = { 4, 1, 2, 2, },
+        .reg_offset = { 0x00, 0x04, 0x08, 0x0c, },
 };
 
 /* list of external wakeup controllers supported */
@@ -126,7 +128,7 @@ static int exynos_gpio_irq_set_type(struct irq_data *irqd, unsigned int type)
         con |= trig_type << shift;
         writel(con, d->virt_base + reg_con);
 
-        reg_con = bank->pctl_offset;
+        reg_con = bank->pctl_offset + bank_type->reg_offset[PINCFG_TYPE_FUNC];
         shift = pin * bank_type->fld_width[PINCFG_TYPE_FUNC];
         mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1;
 
@@ -309,7 +311,7 @@ static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int type)
         con |= trig_type << shift;
         writel(con, d->virt_base + reg_con);
 
-        reg_con = bank->pctl_offset;
+        reg_con = bank->pctl_offset + bank_type->reg_offset[PINCFG_TYPE_FUNC];
         shift = pin * bank_type->fld_width[PINCFG_TYPE_FUNC];
         mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1;
 
diff --git a/drivers/pinctrl/pinctrl-samsung.c b/drivers/pinctrl/pinctrl-samsung.c
index 97dd56024e33..b917ed36fb65 100644
--- a/drivers/pinctrl/pinctrl-samsung.c
+++ b/drivers/pinctrl/pinctrl-samsung.c
@@ -275,10 +275,6 @@ static void pin_to_reg_bank(struct samsung_pinctrl_drv_data *drvdata,
         *offset = pin - b->pin_base;
         if (bank)
                 *bank = b;
-
-        /* some banks have two config registers in a single bank */
-        if (*offset * b->func_width > BITS_PER_LONG)
-                *reg += 4;
 }
 
 /* enable or disable a pinmux function */
@@ -310,11 +306,11 @@ static void samsung_pinmux_setup(struct pinctrl_dev *pctldev, unsigned selector,
 
                 spin_lock_irqsave(&bank->slock, flags);
 
-                data = readl(reg);
+                data = readl(reg + type->reg_offset[PINCFG_TYPE_FUNC]);
                 data &= ~(mask << shift);
                 if (enable)
                         data |= drvdata->pin_groups[group].func << shift;
-                writel(data, reg);
+                writel(data, reg + type->reg_offset[PINCFG_TYPE_FUNC]);
 
                 spin_unlock_irqrestore(&bank->slock, flags);
         }
@@ -355,7 +351,8 @@ static int samsung_pinmux_gpio_set_direction(struct pinctrl_dev *pctldev,
         drvdata = pinctrl_dev_get_drvdata(pctldev);
 
         pin_offset = offset - bank->pin_base;
-        reg = drvdata->virt_base + bank->pctl_offset;
+        reg = drvdata->virt_base + bank->pctl_offset +
+                                        type->reg_offset[PINCFG_TYPE_FUNC];
 
         mask = (1 << type->fld_width[PINCFG_TYPE_FUNC]) - 1;
         shift = pin_offset * type->fld_width[PINCFG_TYPE_FUNC];
@@ -401,28 +398,11 @@ static int samsung_pinconf_rw(struct pinctrl_dev *pctldev, unsigned int pin,
                                         &pin_offset, &bank);
         type = bank->type;
 
-        switch (cfg_type) {
-        case PINCFG_TYPE_PUD:
-                cfg_reg = PUD_REG;
-                break;
-        case PINCFG_TYPE_DRV:
-                cfg_reg = DRV_REG;
-                break;
-        case PINCFG_TYPE_CON_PDN:
-                cfg_reg = CONPDN_REG;
-                break;
-        case PINCFG_TYPE_PUD_PDN:
-                cfg_reg = PUDPDN_REG;
-                break;
-        default:
-                WARN_ON(1);
-                return -EINVAL;
-        }
-
         if (cfg_type >= PINCFG_TYPE_NUM || !type->fld_width[cfg_type])
                 return -EINVAL;
 
         width = type->fld_width[cfg_type];
+        cfg_reg = type->reg_offset[cfg_type];
 
         spin_lock_irqsave(&bank->slock, flags);
 
@@ -511,11 +491,11 @@ static void samsung_gpio_set(struct gpio_chip *gc, unsigned offset, int value)
 
         spin_lock_irqsave(&bank->slock, flags);
 
-        data = readl(reg + DAT_REG);
+        data = readl(reg + type->reg_offset[PINCFG_TYPE_DAT]);
         data &= ~(1 << offset);
         if (value)
                 data |= 1 << offset;
-        writel(data, reg + DAT_REG);
+        writel(data, reg + type->reg_offset[PINCFG_TYPE_DAT]);
 
         spin_unlock_irqrestore(&bank->slock, flags);
 }
@@ -526,10 +506,11 @@ static int samsung_gpio_get(struct gpio_chip *gc, unsigned offset)
         void __iomem *reg;
         u32 data;
         struct samsung_pin_bank *bank = gc_to_pin_bank(gc);
+        struct samsung_pin_bank_type *type = bank->type;
 
         reg = bank->drvdata->virt_base + bank->pctl_offset;
 
-        data = readl(reg + DAT_REG);
+        data = readl(reg + type->reg_offset[PINCFG_TYPE_DAT]);
         data >>= offset;
         data &= 1;
         return data;
diff --git a/drivers/pinctrl/pinctrl-samsung.h b/drivers/pinctrl/pinctrl-samsung.h
index 1c590f7e95dd..9efeee862e0d 100644
--- a/drivers/pinctrl/pinctrl-samsung.h
+++ b/drivers/pinctrl/pinctrl-samsung.h
@@ -25,13 +25,6 @@
 
 #include <linux/gpio.h>
 
-/* register offsets within a pin bank */
-#define DAT_REG         0x4
-#define PUD_REG         0x8
-#define DRV_REG         0xC
-#define CONPDN_REG      0x10
-#define PUDPDN_REG      0x14
-
 /* pinmux function number for pin as gpio output line */
 #define FUNC_OUTPUT     0x1
 
@@ -111,9 +104,11 @@ struct samsung_pinctrl_drv_data;
 /**
  * struct samsung_pin_bank_type: pin bank type description
  * @fld_width: widths of configuration bitfields (0 if unavailable)
+ * @reg_offset: offsets of configuration registers (don't care of width is 0)
  */
 struct samsung_pin_bank_type {
         u8 fld_width[PINCFG_TYPE_NUM];
+        u8 reg_offset[PINCFG_TYPE_NUM];
 };
 
 /**