From e950604782440c8635d289552bb5db58658fcbe9 Mon Sep 17 00:00:00 2001 From: Bjorn Andersson Date: Fri, 7 Oct 2016 21:23:12 -0700 Subject: [PATCH] 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 --- drivers/rpmsg/rpmsg_core.c | 3 +++ include/linux/rpmsg.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c index b6ea9ffa7381..087d4db896c8 100644 --- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -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])) diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h index 452d393cc8dd..7ad6c205f110 100644 --- a/include/linux/rpmsg.h +++ b/include/linux/rpmsg.h @@ -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; -- 2.20.1