From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Lew Subject: [PATCH v3 6/6] rpmsg: glink: Expose rpmsg name attr for glink Date: Thu, 26 Apr 2018 15:59:05 -0700 Message-ID: <1524783545-21951-7-git-send-email-clew@codeaurora.org> References: <1524783545-21951-1-git-send-email-clew@codeaurora.org> Return-path: In-Reply-To: <1524783545-21951-1-git-send-email-clew@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org To: bjorn.andersson@linaro.org, andy.gross@linaro.org, david.brown@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com 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: linux-arm-msm@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 --- Changes since v2: - Remove const on attribute struct Changes since v1: - Add const to attribute struct - Get name from glink channel 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 1418926f6110..c2983a53058f 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -1552,6 +1552,22 @@ 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 glink_channel *channel = to_glink_channel(rpdev->ept); + + return snprintf(buf, RPMSG_NAME_SIZE, "%s\n", channel->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); @@ -1601,6 +1617,8 @@ 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