[PATCH 2/2] gpiolib: assign chip owner to dev->driver->owner if not set

[Grygorii Strashko <grygorii.strashko@ti.com>]

Assign GPIO chip owner field to chip->dev->driver->owner if it was not
configured by GPIO driver.

Cc: Johan Hovold <johan@kernel.org>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
---
Hi,

 There is also one positive additional side effect:
 lines like below can be removed from a lot of GPIO
 drivers
	rdc321x_gpio_dev->chip.owner = THIS_MODULE;

 drivers/gpio/gpiolib.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 9b1d247..d51af5d 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -287,6 +287,9 @@ int gpiochip_add(struct gpio_chip *chip)
 	INIT_LIST_HEAD(&chip->pin_ranges);
 #endif
 
+	if (!chip->owner && chip->dev && chip->dev->driver)
+		chip->owner = chip->dev->driver->owner;
+
 	of_gpiochip_add(chip);
 	acpi_gpiochip_add(chip);
 
-- 
2.4.4