Commit e9506047 authored Oct 07, 2016 by Bjorn Andersson

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: Bjorn 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;