From: Krzysztof Kozlowski <krzk@kernel.org>
To: Tomasz Figa <tomasz.figa@gmail.com>,
Krzysztof Kozlowski <krzk@kernel.org>,
Sylwester Nawrocki <s.nawrocki@samsung.com>,
Linus Walleij <linus.walleij@linaro.org>,
Kukjin Kim <kgene@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-gpio@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] pinctrl: samsung: Remove unneeded local variable initialization
Date: Tue, 18 Jul 2017 19:43:28 +0200 [thread overview]
Message-ID: <1500399808-6580-1-git-send-email-krzk@kernel.org> (raw)
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>
---
drivers/pinctrl/samsung/pinctrl-exynos.c | 18 ++++--------------
1 file changed, 4 insertions(+), 14 deletions(-)
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c
index 731530a9ce38..f6bdbc8cd5c0 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.c
@@ -149,15 +149,10 @@ 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);
@@ -186,15 +181,10 @@ 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];
--
2.7.4
next reply other threads:[~2017-07-18 17:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-18 17:43 Krzysztof Kozlowski [this message]
2017-08-02 8:45 ` Linus Walleij
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