blob: 0f13e3b5815312721699694c67c0672b34631997 (
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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(-)
diff --git a/arch/mips/bcm63xx/gpio.c b/arch/mips/bcm63xx/gpio.c
index 3725345..315bc7f 100644
--- a/arch/mips/bcm63xx/gpio.c
+++ b/arch/mips/bcm63xx/gpio.c
@@ -125,6 +125,8 @@ static struct gpio_chip bcm63xx_gpio_chip = {
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);
--
1.6.3.3
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