rpmsg: Enable matching devices with drivers based on DT
Make it possible to match rpmsg devices based on device tree node, in
addition to the id table. In some of these cases the rpmsg driver would
not have a id_table, so make this optional.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
index 4a4374c..495fa0a 100644
--- a/drivers/rpmsg/virtio_rpmsg_bus.c
+++ b/drivers/rpmsg/virtio_rpmsg_bus.c
@@ -33,6 +33,7 @@
#include <linux/wait.h>
#include <linux/rpmsg.h>
#include <linux/mutex.h>
+#include <linux/of_device.h>
/**
* struct virtproc_info - virtual remote processor state
@@ -175,11 +176,12 @@
const struct rpmsg_device_id *ids = rpdrv->id_table;
unsigned int i;
- for (i = 0; ids[i].name[0]; i++)
- if (rpmsg_id_match(rpdev, &ids[i]))
- return 1;
+ if (ids)
+ for (i = 0; ids[i].name[0]; i++)
+ if (rpmsg_id_match(rpdev, &ids[i]))
+ return 1;
- return 0;
+ return of_driver_match_device(dev, drv);
}
static int rpmsg_uevent(struct device *dev, struct kobj_uevent_env *env)