From patchwork Wed Dec 2 23:40:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bhaumik Bhatt X-Patchwork-Id: 11947329 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53108C64E7C for ; Wed, 2 Dec 2020 23:41:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 00E86221EB for ; Wed, 2 Dec 2020 23:41:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727981AbgLBXlm (ORCPT ); Wed, 2 Dec 2020 18:41:42 -0500 Received: from a2.mail.mailgun.net ([198.61.254.61]:59818 "EHLO a2.mail.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727570AbgLBXll (ORCPT ); Wed, 2 Dec 2020 18:41:41 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1606952476; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=gtw0x40aTebDqSdfGKNWiZTA57lqz67IWj7R8YJnfI4=; b=BjbXEFjH96FLG2bie2DIZGKp5svL1VeE3A633suwvL+F+nKlNtwgsH6zsD/rPoLMk+/60u96 2TBtywbMEQ5mabwV5XNmK6af8i+VJJbghhB8C4vVcQu8+TA2Pn24rke+bDZExoUGViJQiRlD HxLzqmJr8zzEZN2X7edAn/IFO0E= X-Mailgun-Sending-Ip: 198.61.254.61 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n06.prod.us-east-1.postgun.com with SMTP id 5fc82602f2eedd90842bcd1d (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Wed, 02 Dec 2020 23:40:50 GMT Sender: bbhatt=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id B56A7C43462; Wed, 2 Dec 2020 23:40:49 +0000 (UTC) Received: from malabar-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: bbhatt) by smtp.codeaurora.org (Postfix) with ESMTPSA id EEC58C43460; Wed, 2 Dec 2020 23:40:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org EEC58C43460 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=fail smtp.mailfrom=bbhatt@codeaurora.org From: Bhaumik Bhatt To: manivannan.sadhasivam@linaro.org, hemantk@codeaurora.org Cc: linux-arm-msm@vger.kernel.org, loic.poulain@linaro.org, jhugo@codeaurora.org, linux-kernel@vger.kernel.org, Bhaumik Bhatt Subject: [PATCH v3 1/7] bus: mhi: core: Allow receiving a STOP channel command response Date: Wed, 2 Dec 2020 15:40:32 -0800 Message-Id: <1606952438-15321-2-git-send-email-bbhatt@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1606952438-15321-1-git-send-email-bbhatt@codeaurora.org> References: <1606952438-15321-1-git-send-email-bbhatt@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add support to receive the response to a STOP channel command to the MHI bus. If a client would like to STOP a channel instead of issuing a RESET to it, this would provide support for it. Signed-off-by: Bhaumik Bhatt --- drivers/bus/mhi/core/main.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c index 702c31b..a7bb8a7 100644 --- a/drivers/bus/mhi/core/main.c +++ b/drivers/bus/mhi/core/main.c @@ -1193,6 +1193,11 @@ int mhi_send_cmd(struct mhi_controller *mhi_cntrl, cmd_tre->dword[0] = MHI_TRE_CMD_RESET_DWORD0; cmd_tre->dword[1] = MHI_TRE_CMD_RESET_DWORD1(chan); break; + case MHI_CMD_STOP_CHAN: + cmd_tre->ptr = MHI_TRE_CMD_STOP_PTR; + cmd_tre->dword[0] = MHI_TRE_CMD_STOP_DWORD0; + cmd_tre->dword[1] = MHI_TRE_CMD_STOP_DWORD1(chan); + break; case MHI_CMD_START_CHAN: cmd_tre->ptr = MHI_TRE_CMD_START_PTR; cmd_tre->dword[0] = MHI_TRE_CMD_START_DWORD0;