diff options
| author | Patrice Chotard <patrice.chotard@st.com> | 2016-05-24 13:57:43 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-05-31 10:06:12 +0200 |
| commit | 4fac724fd76623c65ad00b412f5c7d0a816b98ff (patch) | |
| tree | f7adefadd8bd3a109732a2b0bc79b8d1465f8471 /drivers | |
| parent | pinctrl: samsung: Suppress unbinding to prevent theoretical attacks (diff) | |
| download | linux-4fac724fd76623c65ad00b412f5c7d0a816b98ff.tar.xz linux-4fac724fd76623c65ad00b412f5c7d0a816b98ff.zip | |
pinctrl: stm32: factorize stm32_pconf_input/output_get()
As these 2 functions code are 95% similar, factorize them.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pinctrl/stm32/pinctrl-stm32.c | 31 |
1 files changed, 10 insertions, 21 deletions
diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index ae9fab82a1b9..4ae596bf19b5 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -638,8 +638,8 @@ 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; @@ -647,23 +647,12 @@ 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); @@ -772,7 +761,7 @@ 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]); @@ -782,7 +771,7 @@ 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 %s", val ? "high" : "low", drive ? "open drain" : "push pull", |