diff options
| -rw-r--r-- | drivers/pinctrl/pinctrl-at91.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index b9e2cbd2ea7b..401fc96f577e 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -1364,9 +1364,10 @@ static int __devinit at91_gpio_probe(struct platform_device *pdev) struct gpio_chip *chip; struct pinctrl_gpio_range *range; int ret = 0; - int irq; + int irq, i; int alias_idx = of_alias_get_id(np, "gpio"); uint32_t ngpio; + char **names; BUG_ON(alias_idx >= ARRAY_SIZE(gpio_chips)); if (gpio_chips[alias_idx]) { @@ -1436,6 +1437,18 @@ static int __devinit at91_gpio_probe(struct platform_device *pdev) chip->ngpio = ngpio; } + names = devm_kzalloc(&pdev->dev, sizeof(char*) * chip->ngpio, GFP_KERNEL); + + if (!names) { + ret = -ENOMEM; + goto clk_err; + } + + for (i = 0; i < chip->ngpio; i++) + names[i] = kasprintf(GFP_KERNEL, "pio%c%d", alias_idx + 'A', i); + + chip->names = (const char*const*)names; + range = &at91_chip->range; range->name = chip->label; range->id = alias_idx; |