From patchwork Wed Jun 24 16:45:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Deepak Kumar Singh X-Patchwork-Id: 11623749 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 87A2A913 for ; Wed, 24 Jun 2020 16:46:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6D9E82082F for ; Wed, 24 Jun 2020 16:46:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="M8N0rs2y" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405124AbgFXQqn (ORCPT ); Wed, 24 Jun 2020 12:46:43 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:61914 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404919AbgFXQqc (ORCPT ); Wed, 24 Jun 2020 12:46:32 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1593017191; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=IUA+BBdK1Ye7yJYb9KcCnxtHYBVDopo/iZ52SrD+KfQ=; b=M8N0rs2ySipQ4OCKwAr0CoW+TBQDg8IwWTw0yb6Vfo4LEdL5OqI2Kb7aMgkW+xNbtgHUZ4X0 sNczu9/TZrs52M/RNKkH1AoN9kMH8346pVr9FDBJ72Pzh4Teb9m63YCnEgfESg1dAikV5kFz spEF/o/F8foiL6E1T2riSfQo9WA= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI4ZWZiZiIsICJsaW51eC1yZW1vdGVwcm9jQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n12.prod.us-east-1.postgun.com with SMTP id 5ef3835a8fe116ddd945d27b (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Wed, 24 Jun 2020 16:46:18 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id E7930C433C6; Wed, 24 Jun 2020 16:46:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE autolearn=ham autolearn_force=no version=3.4.0 Received: from deesin-linux.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: deesin) by smtp.codeaurora.org (Postfix) with ESMTPSA id ABF99C433C8; Wed, 24 Jun 2020 16:46:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org ABF99C433C8 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=deesin@codeaurora.org From: Deepak Kumar Singh To: bjorn.andersson@linaro.org, clew@codeaurora.org, mathieu.poirier@linaro.org Cc: Deepak Kumar Singh , Arun Kumar Neelakantam , Andy Gross , Ohad Ben-Cohen , linux-arm-msm@vger.kernel.org (open list:ARM/QUALCOMM SUPPORT), linux-remoteproc@vger.kernel.org (open list:REMOTE PROCESSOR MESSAGING (RPMSG) SUBSYSTEM), linux-kernel@vger.kernel.org (open list) Subject: [PATCH V7 4/4] rpmsg: glink: Expose rpmsg name attr for glink Date: Wed, 24 Jun 2020 22:15:21 +0530 Message-Id: <1593017121-7953-5-git-send-email-deesin@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593017121-7953-1-git-send-email-deesin@codeaurora.org> References: <1593017121-7953-1-git-send-email-deesin@codeaurora.org> Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org From: Chris Lew 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 Signed-off-by: Deepak Kumar Singh Signed-off-by: Arun Kumar Neelakantam --- drivers/rpmsg/qcom_glink_native.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 3a7f87c..0e8a28c0 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;