Messages in this thread Patch in this message | | | From | <> | Subject | [PATCH 2/2] pinctrl: stm32: factorize stm32_pconf_input/output_get() | Date | Thu, 12 May 2016 16:46:35 +0200 |
| |
From: Patrice Chotard <patrice.chotard@st.com>
As these 2 functions code are 95% similar, factorize them.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com> --- drivers/pinctrl/stm32/pinctrl-stm32.c | 31 ++++++++++--------------------- 1 file changed, 10 insertions(+), 21 deletions(-)
diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index 249da52..8b82d3e 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -661,8 +661,8 @@ static u32 stm32_pconf_get_bias(struct stm32_gpio_bank *bank, return (val >> (offset * 2)); } -static bool stm32_pconf_input_get(struct stm32_gpio_bank *bank, - unsigned int offset) +static bool stm32_pconf_get(struct stm32_gpio_bank *bank, + unsigned int offset, bool dir) { unsigned long flags; u32 val; @@ -670,23 +670,12 @@ static bool stm32_pconf_input_get(struct stm32_gpio_bank *bank, clk_enable(bank->clk); spin_lock_irqsave(&bank->lock, flags); - val = !!(readl_relaxed(bank->base + STM32_GPIO_IDR) & BIT(offset)); - - spin_unlock_irqrestore(&bank->lock, flags); - clk_disable(bank->clk); - - return val; -} - -static bool stm32_pconf_output_get(struct stm32_gpio_bank *bank, - unsigned int offset) -{ - unsigned long flags; - u32 val; - - clk_enable(bank->clk); - spin_lock_irqsave(&bank->lock, flags); - val = !!(readl_relaxed(bank->base + STM32_GPIO_ODR) & BIT(offset)); + if (dir) + val = !!(readl_relaxed(bank->base + STM32_GPIO_IDR) & + BIT(offset)); + else + val = !!(readl_relaxed(bank->base + STM32_GPIO_ODR) & + BIT(offset)); spin_unlock_irqrestore(&bank->lock, flags); clk_disable(bank->clk); @@ -795,7 +784,7 @@ static void stm32_pconf_dbg_show(struct pinctrl_dev *pctldev, switch (mode) { /* input */ case 0: - val = stm32_pconf_input_get(bank, offset); + val = stm32_pconf_get(bank, offset, true); seq_printf(s, "- %s - %s", val ? "high" : "low", biasing[bias]); @@ -805,7 +794,7 @@ static void stm32_pconf_dbg_show(struct pinctrl_dev *pctldev, case 1: drive = stm32_pconf_get_driving(bank, offset); speed = stm32_pconf_get_speed(bank, offset); - val = stm32_pconf_output_get(bank, offset); + val = stm32_pconf_get(bank, offset, false); seq_printf(s, "- %s - %s - %s - %s speed", val ? "high" : "low", drive ? "open drain" : "push pull", -- 1.9.1
| |