[PATCH] pinctrl: at91: retrieve device id in non dtb probe
Raphaël Poggi
poggi.raph at gmail.com
Mon Sep 8 06:07:57 PDT 2014
We need to retrieve the device id in device tree/non device tree case.
Signed-off-by: Raphaël Poggi <poggi.raph at 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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