diff options
| author | Chris Lew <clew@codeaurora.org> | 2020-06-24 18:45:21 +0200 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2020-09-15 05:51:13 +0200 |
| commit | 4e3dda0bc603c1ca84680a56bfc49e8fe2519c89 (patch) | |
| tree | 5d58c3d6d486d74fe79ca2fe8d5fd27f6a043bf6 /drivers | |
| parent | rpmsg: glink: Add support for rpmsg glink chrdev (diff) | |
| download | linux-4e3dda0bc603c1ca84680a56bfc49e8fe2519c89.tar.xz linux-4e3dda0bc603c1ca84680a56bfc49e8fe2519c89.zip | |
rpmsg: glink: Expose rpmsg name attr for glink
Expose the name field as an attr so clients listening to uevents for
rpmsg can identify the edge the events correspond to.
Signed-off-by: Chris Lew <clew@codeaurora.org>
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>
Signed-off-by: Deepak Kumar Singh <deesin@codeaurora.org>
Link: https://lore.kernel.org/r/1593017121-7953-5-git-send-email-deesin@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/rpmsg/qcom_glink_native.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 3a7f87c968e0..0e8a28c09cc1 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -1574,6 +1574,26 @@ static void qcom_glink_cancel_rx_work(struct qcom_glink *glink) kfree(dcmd); } +static ssize_t rpmsg_name_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int ret = 0; + const char *name; + + ret = of_property_read_string(dev->of_node, "label", &name); + if (ret < 0) + name = dev->of_node->name; + + return snprintf(buf, RPMSG_NAME_SIZE, "%s\n", name); +} +static DEVICE_ATTR_RO(rpmsg_name); + +static struct attribute *qcom_glink_attrs[] = { + &dev_attr_rpmsg_name.attr, + NULL +}; +ATTRIBUTE_GROUPS(qcom_glink); + static void qcom_glink_device_release(struct device *dev) { struct rpmsg_device *rpdev = to_rpmsg_device(dev); @@ -1638,6 +1658,12 @@ struct qcom_glink *qcom_glink_native_probe(struct device *dev, idr_init(&glink->lcids); idr_init(&glink->rcids); + glink->dev->groups = qcom_glink_groups; + + ret = device_add_groups(dev, qcom_glink_groups); + if (ret) + dev_err(dev, "failed to add groups\n"); + ret = of_property_read_string(dev->of_node, "label", &glink->name); if (ret < 0) glink->name = dev->of_node->name; |