From patchwork Fri Nov 22 10:05:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Kumar Neelakantam X-Patchwork-Id: 11257585 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 913A2112B for ; Fri, 22 Nov 2019 10:05:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 70B3020707 for ; Fri, 22 Nov 2019 10:05:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="GnFKOWzK"; dkim=pass (1024-bit key) header.d=amazonses.com header.i=@amazonses.com header.b="fGE9+aoW" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726500AbfKVKFF (ORCPT ); Fri, 22 Nov 2019 05:05:05 -0500 Received: from a27-188.smtp-out.us-west-2.amazonses.com ([54.240.27.188]:58930 "EHLO a27-188.smtp-out.us-west-2.amazonses.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726417AbfKVKFF (ORCPT ); Fri, 22 Nov 2019 05:05:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=zsmsymrwgfyinv5wlfyidntwsjeeldzt; d=codeaurora.org; t=1574417104; h=From:To:Cc:Subject:Date:Message-Id; bh=gR/9H1H/ghs0meBZNJ1rxfiJMbYsOhQPMlG210KxbK8=; b=GnFKOWzKP7mR9Kewh/aSh7P1T03nQ0zRAwu4+qShmGny+6LDyCxOJ1ZrYlAk1oAo BQ5kL0LycIEpAYqoe/dpmiB3KGtTeEfr4QSXBuQ7JpPvEpQIE9KKZd3fO8y4k0J5omS sAJeyZjssDoj1PAuajHvdkxmj4BN56HTIa3RDfB4= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=gdwg2y3kokkkj5a55z2ilkup5wp5hhxx; d=amazonses.com; t=1574417104; h=From:To:Cc:Subject:Date:Message-Id:Feedback-ID; bh=gR/9H1H/ghs0meBZNJ1rxfiJMbYsOhQPMlG210KxbK8=; b=fGE9+aoWCRCJZGC/StMODwzUnP4CHLRwh+A8jF2x0NQboa7SOSc9DZP2/AjaVLKS vumtPWzUIeNPS1eMi/Hcp7u8wEcCPg+oCLMn3Te8y611WoeQuoXcxobx36addizvLVc FlhoqB0mBmjtNkgsjGEIkGutpj4cv4WBk330n+Kg= 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=unavailable autolearn_force=no version=3.4.0 DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org E59E6C447BD 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=aneela@codeaurora.org From: Arun Kumar Neelakantam To: ohad@wizery.com, bjorn.andersson@linaro.org, clew@codeaurora.org, sricharan@codeaurora.org Cc: linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, Arun Kumar Neelakantam Subject: [PATCH V5 0/5] Add chrdev and name query support for GLINK Date: Fri, 22 Nov 2019 10:05:04 +0000 Message-ID: <0101016e92927c3a-ca9dda3b-35da-4104-bf52-d2839f18b8d5-000000@us-west-2.amazonses.com> X-Mailer: git-send-email 1.9.1 X-SES-Outgoing: 2019.11.22-54.240.27.188 Feedback-ID: 1.us-west-2.CZuq2qbDmUIuT3qdvXlRHZZCpfZqZ4GtG9v3VKgRyF0=:AmazonSES Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@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. 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 v4: - Resending by removing approved patches Changes since v3: - Change to device_add_group for rpmsg name attr - Add patch to unregister the rpmsg device - Add patch to support compat ioctl for rpmsg char driver 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 Arun Kumar Neelakantam (1): rpmsg: glink: unregister rpmsg device during endpoint destroy Chris Lew (4): 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 drivers/rpmsg/qcom_glink_native.c | 79 +++++++++++++++++++++++++++++++++++++-- drivers/rpmsg/rpmsg_core.c | 2 +- 2 files changed, 77 insertions(+), 4 deletions(-)