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Commit 7ee69102 authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
Browse files

serdev: only match serdev devices 



Only serdev devices (a.k.a. clients or slaves) are bound to drivers so
bail out early from match() in case the device is not a serdev device
(i.e. if it's a serdev controller).

Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
Reviewed-by: default avatarSebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2460942f

drivers/tty/serdev/core.c

+8 −0
Original line number Diff line number Diff line
@@ -63,6 +63,11 @@ static const struct device_type serdev_device_type = { 
	.release	= serdev_device_release,

};



static bool is_serdev_device(const struct device *dev)

{

	return dev->type == &serdev_device_type;

}



static void serdev_ctrl_release(struct device *dev)

{

	struct serdev_controller *ctrl = to_serdev_controller(dev);
@@ -76,6 +81,9 @@ static const struct device_type serdev_ctrl_type = { 


static int serdev_device_match(struct device *dev, struct device_driver *drv)

{

	if (!is_serdev_device(dev))

		return 0;



	/* TODO: platform matching */

	if (acpi_driver_match_device(dev, drv))

		return 1;