X-Git-Url: http://git.ozo.com/?a=blobdiff_plain;f=target%2Flinux%2Fbrcm63xx%2Ffiles%2Farch%2Fmips%2Fbcm63xx%2Fgpio.c;fp=target%2Flinux%2Fbrcm63xx%2Ffiles%2Farch%2Fmips%2Fbcm63xx%2Fgpio.c;h=77636aa86c27a03ed5e3ba816d628dd9c88830a1;hb=9486190f3fabf8b68fd943ab814c16c303c4177b;hp=97e3730c3470703186696a084f7941a2d9270603;hpb=848fab305c87ffd38ba84ab99de4b8797413477e;p=openwrt-10.03%2F.git diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c b/target/linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c index 97e3730c3..77636aa86 100644 --- a/target/linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c +++ b/target/linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c @@ -18,12 +18,14 @@ #include #include +static u32 gpio_out_low, gpio_out_high; + static void bcm63xx_gpio_set(struct gpio_chip *chip, unsigned gpio, int val) { u32 reg; u32 mask; - u32 tmp; + u32 *v; unsigned long flags; if (gpio >= chip->ngpio) @@ -32,18 +34,19 @@ static void bcm63xx_gpio_set(struct gpio_chip *chip, if (gpio < 32) { reg = GPIO_DATA_LO_REG; mask = 1 << gpio; + v = &gpio_out_low; } else { reg = GPIO_DATA_HI_REG; mask = 1 << (gpio - 32); + v = &gpio_out_high; } local_irq_save(flags); - tmp = bcm_gpio_readl(reg); if (val) - tmp |= mask; + *v |= mask; else - tmp &= ~mask; - bcm_gpio_writel(tmp, reg); + *v &= ~mask; + bcm_gpio_writel(*v, reg); local_irq_restore(flags); }