When rpmsg devices are expected to be matched based on their compatible the modalias should reflect this, so that module autoloading has a chance to match and load the appropriate module.
Reported-by: Rob Clark <[email protected]> Signed-off-by: Bjorn Andersson <[email protected]> --- drivers/rpmsg/rpmsg_core.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c index ad3d2a9df287..b7e16fc3a6c7 100644 --- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -343,6 +343,11 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { struct rpmsg_device *rpdev = to_rpmsg_device(dev); + ssize_t len; + + len = of_device_modalias(dev, buf, PAGE_SIZE); + if (len != -ENODEV) + return len; return sprintf(buf, RPMSG_DEVICE_MODALIAS_FMT "\n", rpdev->id.name); } -- 2.12.0
