| 1 | To avoid glitch during gpio initialisation, fetch gpio output |
| 2 | registers values left by bootloader. |
| 3 | |
| 4 | Signed-off-by: Maxime Bizon <mbizon@freebox.fr> |
| 5 | --- |
| 6 | arch/mips/bcm63xx/gpio.c | 2 ++ |
| 7 | 1 files changed, 2 insertions(+), 0 deletions(-) |
| 8 | |
| 9 | --- a/arch/mips/bcm63xx/gpio.c |
| 10 | +++ b/arch/mips/bcm63xx/gpio.c |
| 11 | @@ -125,6 +125,8 @@ static struct gpio_chip bcm63xx_gpio_chi |
| 12 | |
| 13 | int __init bcm63xx_gpio_init(void) |
| 14 | { |
| 15 | + gpio_out_low = bcm_gpio_readl(GPIO_DATA_LO_REG); |
| 16 | + gpio_out_high = bcm_gpio_readl(GPIO_DATA_HI_REG); |
| 17 | bcm63xx_gpio_chip.ngpio = bcm63xx_gpio_count(); |
| 18 | pr_info("registering %d GPIOs\n", bcm63xx_gpio_chip.ngpio); |
| 19 | |
| 20 | |