[PATCH v2] staging: greybus: gpio: Replace macro irq_data_to_gpio_chip with function

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Replace the macro irq_data_to_gpio_chip with a static inline function to comply
with Linux coding style standards.

Signed-off-by: Brent Pappas <bpappas@xxxxxxxxxxxxxxx>
V1 -> V2: Change return type of function from void * to struct gpio_chip *.
          Remove the inline keyword from the function definition.

 drivers/staging/greybus/gpio.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/greybus/gpio.c b/drivers/staging/greybus/gpio.c
index 8a7cf1d0e968..833162ceb385 100644
--- a/drivers/staging/greybus/gpio.c
+++ b/drivers/staging/greybus/gpio.c
@@ -43,7 +43,11 @@ struct gb_gpio_controller {
 #define gpio_chip_to_gb_gpio_controller(chip) \
 	container_of(chip, struct gb_gpio_controller, chip)
-#define irq_data_to_gpio_chip(d) (d->domain->host_data)
+static struct gpio_chip *irq_data_to_gpio_chip(struct irq_data *d)
+	return d->domain->host_data;
 static int gb_gpio_line_count_operation(struct gb_gpio_controller *ggc)

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