From: Axel Lin <axel.lin@ingics.com>
Date: Sun, 26 Apr 2015 02:32:36 +0000 (+0800)
Subject: gpio: stm32_gpio: Use clrsetbits_le32() at appropriate places
X-Git-Tag: v2015.07-rc2~273
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=895b5d65c7163436f06fa95281538f43e1a41d9e;p=oweals%2Fu-boot.git

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>
---

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: