From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Lew Subject: [PATCH 4/6] rpmsg: glink: Expose rpmsg name attr for glink Date: Mon, 18 Dec 2017 14:02:12 -0800 Message-ID: <1513634534-22861-5-git-send-email-clew@codeaurora.org> References: <1513634534-22861-1-git-send-email-clew@codeaurora.org> Return-path: In-Reply-To: <1513634534-22861-1-git-send-email-clew@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org To: bjorn.andersson@linaro.org, robh+dt@kernel.org, andy.gross@linaro.org, david.brown@linaro.org Cc: aneela@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, clew@codeaurora.org List-Id: devicetree@vger.kernel.org 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 --- drivers/rpmsg/qcom_glink_native.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 786f2eca01f1..a897ccea3098 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -1558,6 +1558,22 @@ static void qcom_glink_work(struct work_struct *work) } } +static ssize_t rpmsg_name_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct rpmsg_device *rpdev = to_rpmsg_device(dev); + struct qcom_glink_device *gdev = to_glink_device(rpdev); + + return snprintf(buf, RPMSG_NAME_SIZE, "%s\n", gdev->glink->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); @@ -1597,6 +1613,8 @@ struct qcom_glink *qcom_glink_native_probe(struct device *dev, return ERR_PTR(-ENOMEM); glink->dev = dev; + glink->dev->groups = qcom_glink_groups; + glink->tx_pipe = tx; glink->rx_pipe = rx; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project