x86: ich6_gpio: Add use-lvl-write-cache for I/O access mode

[oweals/u-boot.git] / drivers / gpio / tegra_gpio.c

diff --git a/drivers/gpio/tegra_gpio.c b/drivers/gpio/tegra_gpio.c
index 8e880e276f0a9915a22095b043820996e3a32c81..b01968a304dae744b5f7926b13f6222868f0e95d 100644 (file)
--- a/drivers/gpio/tegra_gpio.c
+++ b/drivers/gpio/tegra_gpio.c
@@ -177,7 +177,10 @@ static int tegra_gpio_get_value(struct udevice *dev, unsigned offset)
        debug("%s: pin = %d (port %d:bit %d)\n", __func__,
              gpio, GPIO_FULLPORT(gpio), GPIO_BIT(gpio));
 
-       val = readl(&state->bank->gpio_in[GPIO_PORT(gpio)]);
+       if (get_direction(gpio) == DIRECTION_INPUT)
+               val = readl(&state->bank->gpio_in[GPIO_PORT(gpio)]);
+       else
+               val = readl(&state->bank->gpio_out[GPIO_PORT(gpio)]);
 
        return (val >> GPIO_BIT(gpio)) & 1;
 }
@@ -334,7 +337,8 @@ static int gpio_tegra_bind(struct udevice *parent)
         * This driver does not make use of interrupts, other than to figure
         * out the number of GPIO banks
         */
-       if (!fdt_getprop(gd->fdt_blob, parent->of_offset, "interrupts", &len))
+       if (!fdt_getprop(gd->fdt_blob, dev_of_offset(parent), "interrupts",
+                        &len))
                return -EINVAL;
        bank_count = len / 3 / sizeof(u32);
        ctlr = (struct gpio_ctlr *)dev_get_addr(parent);
@@ -360,7 +364,7 @@ static int gpio_tegra_bind(struct udevice *parent)
                                          plat->port_name, plat, -1, &dev);
                        if (ret)
                                return ret;
-                       dev->of_offset = parent->of_offset;
+                       dev_set_of_offset(dev, dev_of_offset(parent));
                }
        }