From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757127AbeDZW72 (ORCPT ); Thu, 26 Apr 2018 18:59:28 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:37544 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754472AbeDZW7Z (ORCPT ); Thu, 26 Apr 2018 18:59:25 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 2FE1460556 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=clew@codeaurora.org From: Chris Lew 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 Subject: [PATCH v3 0/6] Add chrdev and name query support for GLINK Date: Thu, 26 Apr 2018 15:58:59 -0700 Message-Id: <1524783545-21951-1-git-send-email-clew@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for the GLINK rpmsg transport to register a rpmsg chrdev. This will create the rpmsg_ctrl nodes for userspace clients to open rpmsg epts. Create a label property that will help userspace clients distinguish between the different GLINK links. The rpmsg chrdev allocation is done by allocating a local channel which also allocates an ept. We need to add some guards against edge cases for this chrdev because it will never fully open. Changes since v2: - Revert change to make glink attribute table const Changes since v1: - Add explanation to dt-bindings commit message - Add patch complete_all the open_req/ack variables - Add patch to prevent null pointer dereference in chrdev channel release - Change chrdev allocation to use glink channel allocation - Change glink attr struct to const Chris Lew (6): dt-bindings: soc: qcom: Add label for GLINK bindings rpmsg: glink: Store edge name for glink device rpmsg: glink: Use complete_all for open states rpmsg: Guard against null endpoint ops in destroy rpmsg: glink: Add support for rpmsg glink chrdev rpmsg: glink: Expose rpmsg name attr for glink .../devicetree/bindings/soc/qcom/qcom,glink.txt | 5 ++ drivers/rpmsg/qcom_glink_native.c | 68 +++++++++++++++++++++- drivers/rpmsg/rpmsg_core.c | 2 +- 3 files changed, 71 insertions(+), 4 deletions(-) -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project