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alistair23-linux
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pinctrl: at91: provide gpio names 

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
hifive-unleashed-5.1
Jean-Christophe PLAGNIOL-VILLARD 2012-11-07 00:33:34 +08:00
parent f6f94f6660
commit 32b01a366e
1 changed files with 14 additions and 1 deletions
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15
drivers/pinctrl/pinctrl-at91.c
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@ -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;