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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2012-11-07 00:33:34 +0800
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2012-11-19 06:35:37 +0800
commit32b01a366eb5d7d480570fe05d1dc18170387f5f (patch)
treeb2f6a80115609b52015b10c70e4d7a8bab508a16 /drivers/pinctrl
parentf6f94f6660dbe34039e5c86a46c7845589e7ee0c (diff)
pinctrl: at91: provide gpio names
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r--drivers/pinctrl/pinctrl-at91.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index b9e2cbd2ea7..401fc96f577 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;