[ar71xx] make all AR913x GPIO lines usable

[openwrt.git] / target / linux / ar71xx / files / arch / mips / ar71xx / gpio.c

diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/gpio.c b/target/linux/ar71xx/files/arch/mips/ar71xx/gpio.c
index 03bf38b..a3d00ae 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/gpio.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/gpio.c
@@ -22,6 +22,9 @@
 
 static DEFINE_SPINLOCK(ar71xx_gpio_lock);
 
+unsigned long ar71xx_gpio_count;
+EXPORT_SYMBOL(ar71xx_gpio_count);
+
 void __ar71xx_gpio_set_value(unsigned gpio, int value)
 {
        unsigned long flags;
@@ -129,6 +132,22 @@ void __init ar71xx_gpio_init(void)
                                "AR71xx GPIO controller"))
                panic("cannot allocate AR71xx GPIO registers page");
 
+       switch (ar71xx_soc) {
+       case AR71XX_SOC_AR7130:
+       case AR71XX_SOC_AR7141:
+       case AR71XX_SOC_AR7161:
+               ar71xx_gpio_chip.ngpio = AR71XX_GPIO_COUNT;
+               break;
+
+       case AR71XX_SOC_AR9130:
+       case AR71XX_SOC_AR9132:
+               ar71xx_gpio_chip.ngpio = AR91XX_GPIO_COUNT;
+               break;
+
+       default:
+               BUG();
+       }
+
        err = gpiochip_add(&ar71xx_gpio_chip);
        if (err)
                panic("cannot add AR71xx GPIO chip, error=%d", err);