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bcma: add gpio_to_irq

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The old bcm47xx gpio code had support for gpio_to_irq, but the new
code did not provide this function, but returned -ENXIO all the time.
This patch adds the missing function.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hauke Mehrtens
2013-01-26 21:39:44 +01:00
committed by John W. Linville
parent a6ca2e10f7
commit 8f1ca26832
2 changed files with 18 additions and 2 deletions
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11
drivers/bcma/driver_gpio.c
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@@ -73,6 +73,16 @@ static void bcma_gpio_free(struct gpio_chip *chip, unsigned gpio)
bcma_chipco_gpio_pullup(cc, 1 << gpio, 0);
}
static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
{
struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC)
return bcma_core_irq(cc->core);
else
return -EINVAL;
}
int bcma_gpio_init(struct bcma_drv_cc *cc)
{
struct gpio_chip *chip = &cc->gpio;
@@ -85,6 +95,7 @@ int bcma_gpio_init(struct bcma_drv_cc *cc)
chip->set = bcma_gpio_set_value;
chip->direction_input = bcma_gpio_direction_input;
chip->direction_output = bcma_gpio_direction_output;
chip->to_irq = bcma_gpio_to_irq;
chip->ngpio = 16;
/* There is just one SoC in one device and its GPIO addresses should be
* deterministic to address them more easily. The other buses could get