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@xxxxxxxxxx>
---
drivers/bcma/driver_gpio.c | 11 +++++++++++
include/linux/bcma/bcma_driver_mips.h | 9 +++++++--
2 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c
index 9a6f585..0b5df53 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_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
diff --git a/include/linux/bcma/bcma_driver_mips.h b/include/linux/bcma/bcma_driver_mips.h
index 0d1ea29..fb61f3f 100644
--- a/include/linux/bcma/bcma_driver_mips.h
+++ b/include/linux/bcma/bcma_driver_mips.h
@@ -42,13 +42,18 @@ struct bcma_drv_mips {
#ifdef CONFIG_BCMA_DRIVER_MIPS
extern void bcma_core_mips_init(struct bcma_drv_mips *mcore);
extern void bcma_core_mips_early_init(struct bcma_drv_mips *mcore);
+
+extern unsigned int bcma_core_irq(struct bcma_device *core);
#else
static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore) { }
static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) { }
+
+static inline unsigned int bcma_core_irq(struct bcma_device *core)
+{
+ return 0;
+}
#endif
extern u32 bcma_cpu_clock(struct bcma_drv_mips *mcore);
-extern unsigned int bcma_core_irq(struct bcma_device *core);
-
#endif /* LINUX_BCMA_DRIVER_MIPS_H_ */
--
1.7.10.4
--
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