2010-02-28 22:50:51 +02:00
|
|
|
To avoid glitch during gpio initialisation, fetch gpio output
|
|
|
|
registers values left by bootloader.
|
|
|
|
|
|
|
|
Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
|
|
|
|
---
|
|
|
|
arch/mips/bcm63xx/gpio.c | 2 ++
|
|
|
|
1 files changed, 2 insertions(+), 0 deletions(-)
|
|
|
|
|
|
|
|
--- a/arch/mips/bcm63xx/gpio.c
|
|
|
|
+++ b/arch/mips/bcm63xx/gpio.c
|
2010-03-14 18:21:28 +02:00
|
|
|
@@ -125,6 +125,8 @@ static struct gpio_chip bcm63xx_gpio_chi
|
2010-02-28 22:50:51 +02:00
|
|
|
|
|
|
|
int __init bcm63xx_gpio_init(void)
|
|
|
|
{
|
|
|
|
+ gpio_out_low = bcm_gpio_readl(GPIO_DATA_LO_REG);
|
|
|
|
+ gpio_out_high = bcm_gpio_readl(GPIO_DATA_HI_REG);
|
|
|
|
bcm63xx_gpio_chip.ngpio = bcm63xx_gpio_count();
|
|
|
|
pr_info("registering %d GPIOs\n", bcm63xx_gpio_chip.ngpio);
|
|
|
|
|