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 d68d52d..c8d0de7 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.c
@@ -151,15 +151,10 @@
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 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];