Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e9506047 authored by Bjorn Andersson's avatar Bjorn Andersson
Browse files

rpmsg: Introduce a driver override mechanism 



Similar to other subsystems it's useful to provide a mechanism to force
a specific driver match on a device, so introduce this.

Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
parent 66dca399

drivers/rpmsg/rpmsg_core.c

+3 −0
Original line number Diff line number Diff line
@@ -315,6 +315,9 @@ static int rpmsg_dev_match(struct device *dev, struct device_driver *drv) 
	const struct rpmsg_device_id *ids = rpdrv->id_table;

	unsigned int i;



	if (rpdev->driver_override)

		return !strcmp(rpdev->driver_override, drv->name);



	if (ids)

		for (i = 0; ids[i].name[0]; i++)

			if (rpmsg_id_match(rpdev, &ids[i]))

include/linux/rpmsg.h

+2 −0
Original line number Diff line number Diff line
@@ -64,6 +64,7 @@ struct rpmsg_channel_info { 
 * rpmsg_device - device that belong to the rpmsg bus

 * @dev: the device struct

 * @id: device id (used to match between rpmsg drivers and devices)

 * @driver_override: driver name to force a match

 * @src: local address

 * @dst: destination address

 * @ept: the rpmsg endpoint of this channel
@@ -72,6 +73,7 @@ struct rpmsg_channel_info { 
struct rpmsg_device {

	struct device dev;

	struct rpmsg_device_id id;

	char *driver_override;

	u32 src;

	u32 dst;

	struct rpmsg_endpoint *ept;