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rk29:GPIO->fix the problem GPIOPullUpDown() could not set the pull up and down register

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hhb
2011-06-29 18:07:54 +08:00
parent 47fd8a0a64
commit 59d34b9d12
1 changed files with 2 additions and 1 deletions
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3
arch/arm/mach-rk29/gpio.c Executable file → Normal file
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@@ -361,7 +361,7 @@ static void gpio_ack_irq(u32 irq)
static int GPIOPullUpDown(struct gpio_chip *chip, unsigned int offset, unsigned enable)
{
unsigned char temp=0;
unsigned int temp = 0;
struct rk29_gpio_chip *rk29_gpio = to_rk29_gpio_chip(chip);
unsigned char __iomem *pGrfRegBase = (unsigned char __iomem *)RK29_GRF_BASE;
unsigned long flags;
@@ -382,6 +382,7 @@ static int GPIOPullUpDown(struct gpio_chip *chip, unsigned int offset, unsigned
temp |= 1<<offset;
else
temp &= ~(1<<offset);
__raw_writel(temp,pGrfRegBase + 0x78 +(rk29_gpio->id)*4);
local_irq_restore(flags);