The old 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@xxxxxxxxxx>
---
drivers/bcma/driver_gpio.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c
index 9a6f585..212fda6 100644
--- a/drivers/bcma/driver_gpio.c
+++ b/drivers/bcma/driver_gpio.c
@@ -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_mips_irq(cc->core) + 2;
+ 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
--
1.7.10.4
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