From 895b5d65c7163436f06fa95281538f43e1a41d9e Mon Sep 17 00:00:00 2001 From: Axel Lin <axel.lin@ingics.com> Date: Sun, 26 Apr 2015 10:32:36 +0800 Subject: [PATCH] gpio: stm32_gpio: Use clrsetbits_le32() at appropriate places Use clrsetbits_le32() to replace clrbits_le32() + setbits_le32(). Signed-off-by: Axel Lin <axel.lin@ingics.com> --- drivers/gpio/stm32_gpio.c | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-) diff --git a/drivers/gpio/stm32_gpio.c b/drivers/gpio/stm32_gpio.c index d3497e9675..6d6fdb0b01 100644 --- a/drivers/gpio/stm32_gpio.c +++ b/drivers/gpio/stm32_gpio.c @@ -69,22 +69,14 @@ int stm32_gpio_config(const struct stm32_gpio_dsc *dsc, setbits_le32(&STM32_RCC->ahb1enr, 1 << dsc->port); i = (dsc->pin & 0x07) * 4; - clrbits_le32(&gpio_regs->afr[dsc->pin >> 3], (0xF << i)); - setbits_le32(&gpio_regs->afr[dsc->pin >> 3], ctl->af << i); + clrsetbits_le32(&gpio_regs->afr[dsc->pin >> 3], 0xF << i, ctl->af << i); i = dsc->pin * 2; - clrbits_le32(&gpio_regs->moder, (0x3 << i)); - setbits_le32(&gpio_regs->moder, ctl->mode << i); - - clrbits_le32(&gpio_regs->otyper, (0x3 << i)); - setbits_le32(&gpio_regs->otyper, ctl->otype << i); - - clrbits_le32(&gpio_regs->ospeedr, (0x3 << i)); - setbits_le32(&gpio_regs->ospeedr, ctl->speed << i); - - clrbits_le32(&gpio_regs->pupdr, (0x3 << i)); - setbits_le32(&gpio_regs->pupdr, ctl->pupd << i); + clrsetbits_le32(&gpio_regs->moder, 0x3 << i, ctl->mode << i); + clrsetbits_le32(&gpio_regs->otyper, 0x3 << i, ctl->otype << i); + clrsetbits_le32(&gpio_regs->ospeedr, 0x3 << i, ctl->speed << i); + clrsetbits_le32(&gpio_regs->pupdr, 0x3 << i, ctl->pupd << i); rv = 0; out: -- 2.39.5