gpiolib: Clear the gpio_device's fwnode initialized flag before adding

Registering an irqdomain sets the flag for the fwnode. But having the
flag set when a device is added is interpreted by fw_devlink to mean the
device has already been initialized and will never probe. This prevents
fw_devlink from creating device links with the gpio_device as a
supplier. So, clear the flag before adding the device.

Signed-off-by: Saravana Kannan <[email protected]>
Acked-by: Bartosz Golaszewski <[email protected]>
Tested-by: Colin Foster <[email protected]>
Tested-by: Sudeep Holla <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Tested-by: Douglas Anderson <[email protected]>
Tested-by: Geert Uytterhoeven <[email protected]>
Tested-by: Luca Weiss <[email protected]> # qcom/sm7225-fairphone-fp4
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Saravana Kannan

drivers/gpio/gpiolib.c

@@ -578,6 +578,13 @@ static int gpiochip_setup_dev(struct gpio_device *gdev)
 {
 	int ret;
 
+	/*
+	 * If fwnode doesn't belong to another device, it's safe to clear its
+	 * initialized flag.
+	 */
+	if (gdev->dev.fwnode && !gdev->dev.fwnode->dev)
+		fwnode_dev_initialized(gdev->dev.fwnode, false);
+
 	ret = gcdev_register(gdev, gpio_devt);
 	if (ret)
 		return ret;