From patchwork Wed May 13 05:11:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Kumar Neelakantam X-Patchwork-Id: 11544615 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 30EAA14C0 for ; Wed, 13 May 2020 05:11:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 17CDD206F5 for ; Wed, 13 May 2020 05:11:30 +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="aBzWG2gu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728988AbgEMFL2 (ORCPT ); Wed, 13 May 2020 01:11:28 -0400 Received: from mail27.static.mailgun.info ([104.130.122.27]:57244 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728097AbgEMFL1 (ORCPT ); Wed, 13 May 2020 01:11:27 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1589346687; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=4QVobzHksEPjTGiJZuOIwWfsqXQMmg4PvTnXvb5US4E=; b=aBzWG2guQBuThqgGPK6aSWO8BpPZ1LV9ooGSiVXwyEz/DNeMsdS83qfoGd7zm4CnXDKHIz7J iHSR3Huq/xmLhS2dxaFMAeGCYIHIzIcgR7D/PpjPxJ4B3Fn3LTg4Mm2/Z/dgJ6WAYhBOm8eW xgRrZmoRdytRXjI5QlzIkZe8JWQ= X-Mailgun-Sending-Ip: 104.130.122.27 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 mxa.mailgun.org with ESMTP id 5ebb817e.7f47cba67458-smtp-out-n01; Wed, 13 May 2020 05:11:26 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 3DA57C432C2; Wed, 13 May 2020 05:11:25 +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=unavailable autolearn_force=no version=3.4.0 Received: from aneelaka-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: aneela) by smtp.codeaurora.org (Postfix) with ESMTPSA id 704D2C433CB; Wed, 13 May 2020 05:11:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 704D2C433CB 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: [RESEND PATCH V4 0/4] Add TIOCM Signals support for RPMSG char devices Date: Wed, 13 May 2020 10:41:07 +0530 Message-Id: <1589346671-15226-1-git-send-email-aneela@codeaurora.org> X-Mailer: git-send-email 2.7.4 Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Glink transport support signals to exchange state notification between local and remote side clients. Adding support to send/receive the signal command and notify the clients through callback and POLL notification. Changes since v3: - Correct the TICOMGET case handling as per new rpmsg_get_signals prototype - Update the rpmsg_get_signals function header Changes since v2: - Modify the rpmsg_get_signals function prototype Changes since v1: - Split the patches as per functional areas like core, char, glink - Add set, clear mask for TIOCMSET - Merge the char signal callback and POLLPRI patches Arun Kumar Neelakantam (4): rpmsg: core: Add signal API support rpmsg: glink: Add support to handle signals command rpmsg: char: Add TIOCMGET/TIOCMSET ioctl support rpmsg: char: Add signal callback and POLLPRI support drivers/rpmsg/qcom_glink_native.c | 126 ++++++++++++++++++++++++++++++++++++++ drivers/rpmsg/rpmsg_char.c | 75 ++++++++++++++++++++++- drivers/rpmsg/rpmsg_core.c | 41 +++++++++++++ drivers/rpmsg/rpmsg_internal.h | 5 ++ include/linux/rpmsg.h | 26 ++++++++ 5 files changed, 270 insertions(+), 3 deletions(-)