From mboxrd@z Thu Jan 1 00:00:00 1970 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=-10.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable 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 3F28AC433FE for ; Fri, 4 Dec 2020 03:51:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E25BD20771 for ; Fri, 4 Dec 2020 03:51:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727744AbgLDDv1 (ORCPT ); Thu, 3 Dec 2020 22:51:27 -0500 Received: from m43-15.mailgun.net ([69.72.43.15]:20052 "EHLO m43-15.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727557AbgLDDv0 (ORCPT ); Thu, 3 Dec 2020 22:51:26 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1607053865; h=Content-Transfer-Encoding: Content-Type: In-Reply-To: MIME-Version: Date: Message-ID: From: References: Cc: To: Subject: Sender; bh=2zXx42H2jlJHQujp0kTucgeVJDa3h6362hTqC0O1HPs=; b=UHvzSL26ItifxpkyVyFngtpZz/iyFbyX3p91/brHY8MoP+iXdRk5Mgvvoqclwepd/m70m+an om4wtUdJNhxg4OZLhnvlnV1HfYGq66f2aEXwolNVmdLeqZBwZW+0meR8uuzPi0Y30XlOF9d7 3o/p8fJqDDghMixWZwY7fRfVqbo= X-Mailgun-Sending-Ip: 69.72.43.15 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-east-1.postgun.com with SMTP id 5fc9b20efc7bcec11831bc80 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 04 Dec 2020 03:50:38 GMT Sender: hemantk=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id D0394C43462; Fri, 4 Dec 2020 03:50:37 +0000 (UTC) Received: from [10.46.162.249] (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: hemantk) by smtp.codeaurora.org (Postfix) with ESMTPSA id CAA8BC433CA; Fri, 4 Dec 2020 03:50:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org CAA8BC433CA 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=hemantk@codeaurora.org Subject: Re: [PATCH v4 5/8] bus: mhi: core: Add support to stop or start channel data transfers To: Bhaumik Bhatt , manivannan.sadhasivam@linaro.org Cc: linux-arm-msm@vger.kernel.org, loic.poulain@linaro.org, jhugo@codeaurora.org, linux-kernel@vger.kernel.org References: <1607044997-19577-1-git-send-email-bbhatt@codeaurora.org> <1607044997-19577-6-git-send-email-bbhatt@codeaurora.org> From: Hemant Kumar Message-ID: Date: Thu, 3 Dec 2020 19:50:36 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <1607044997-19577-6-git-send-email-bbhatt@codeaurora.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/3/20 5:23 PM, Bhaumik Bhatt wrote: > Some MHI client drivers may want to request a pause or halt of > data transfer activity on their channels. Support for this does > not exist and must be introduced, wherein the channel context is > not reset or cleared but only the STOP channel command is issued. > This would need to be paired with an API that allows resuming the > data transfer activity on channels by use of the START channel > command. Enable this using two new APIs, mhi_start_transfer() and > mhi_stop_transfer(). > > Signed-off-by: Bhaumik Bhatt Reviewed-by: Hemant Kumar -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project