pinctrl: samsung: Remove unneeded local variable initialization

Two local variables (shift and reg_con) were initialized to unused
values - they were overwritten just few lines after.  Getting rid of
this unused initialization allows dropping other variables and
compacting slightly the code.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c
index d68d52dc68044c085b4ee3fb8d06bd51b65ff4c8..c8d0de7ea16054d616a2aaaa493e6df1386fedd4 100644 (file)
--- a/drivers/pinctrl/samsung/pinctrl-exynos.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.c
@@ -151,15 +151,10 @@ static int exynos_irq_set_type(struct irq_data *irqd, unsigned int type)
 
 static int exynos_irq_request_resources(struct irq_data *irqd)
 {
-       struct irq_chip *chip = irq_data_get_irq_chip(irqd);
-       struct exynos_irq_chip *our_chip = to_exynos_irq_chip(chip);
        struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
        const struct samsung_pin_bank_type *bank_type = bank->type;
-       unsigned int shift = EXYNOS_EINT_CON_LEN * irqd->hwirq;
-       unsigned long reg_con = our_chip->eint_con + bank->eint_offset;
-       unsigned long flags;
-       unsigned int mask;
-       unsigned int con;
+       unsigned long reg_con, flags;
+       unsigned int shift, mask, con;
        int ret;
 
        ret = gpiochip_lock_as_irq(&bank->gpio_chip, irqd->hwirq);
@@ -188,15 +183,10 @@ static int exynos_irq_request_resources(struct irq_data *irqd)
 
 static void exynos_irq_release_resources(struct irq_data *irqd)
 {
-       struct irq_chip *chip = irq_data_get_irq_chip(irqd);
-       struct exynos_irq_chip *our_chip = to_exynos_irq_chip(chip);
        struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
        const struct samsung_pin_bank_type *bank_type = bank->type;
-       unsigned int shift = EXYNOS_EINT_CON_LEN * irqd->hwirq;
-       unsigned long reg_con = our_chip->eint_con + bank->eint_offset;
-       unsigned long flags;
-       unsigned int mask;
-       unsigned int con;
+       unsigned long reg_con, flags;
+       unsigned int shift, mask, con;
 
        reg_con = bank->pctl_offset + bank_type->reg_offset[PINCFG_TYPE_FUNC];
        shift = irqd->hwirq * bank_type->fld_width[PINCFG_TYPE_FUNC];