We need to retrieve the device id in device tree/non device tree case.

Signed-off-by: Raphaël Poggi <poggi.r...@gmail.com>
---
 drivers/pinctrl/pinctrl-at91.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index 3dc81c7..d3423d0 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -618,9 +618,14 @@ static int at91_gpio_probe(struct device_d *dev)
        struct at91_gpio_chip *at91_gpio;
        struct clk *clk;
        int ret;
-       int alias_idx = of_alias_get_id(dev->device_node, "gpio");
+       int alias_idx;
 
-       BUG_ON(dev->id > MAX_GPIO_BANKS);
+       if (dev->device_node)
+               alias_idx = of_alias_get_id(dev->device_node, "gpio");
+       else
+               alias_idx = dev->id;
+
+       BUG_ON(alias_idx > MAX_GPIO_BANKS);
 
        at91_gpio = &gpio_chip[alias_idx];
 
@@ -646,7 +651,7 @@ static int at91_gpio_probe(struct device_d *dev)
        at91_gpio->chip.ops = &at91_gpio_ops;
        at91_gpio->chip.ngpio = MAX_NB_GPIO_PER_BANK;
        at91_gpio->chip.dev = dev;
-       at91_gpio->chip.base = dev->id * MAX_NB_GPIO_PER_BANK;
+       at91_gpio->chip.base = alias_idx * MAX_NB_GPIO_PER_BANK;
 
        ret = gpiochip_add(&at91_gpio->chip);
        if (ret) {
-- 
2.1.0


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