Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp4623011pxu; Thu, 10 Dec 2020 00:58:09 -0800 (PST) X-Google-Smtp-Source: ABdhPJwPe0pRRSYKSm+XXJLuwCH7nB1hh8Ku+adeQr0UkrzOoO7VmkDBYI34iV/u6WonbUFzrDDz X-Received: by 2002:aa7:da01:: with SMTP id r1mr5857660eds.45.1607590689390; Thu, 10 Dec 2020 00:58:09 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1607590689; cv=none; d=google.com; s=arc-20160816; b=eai0o3IGmZ6w9dO4f6k3Mp0dPB/yTBXWe7QVJZ0SKzLT6bH/UfrPBDdE8TPxYlfXS4 +b3L3jSn+sHcOKg51yTRaq3qYkpEOpIQUZf6C3LJJuzYY6/Rq5hTJMUoHleM+cpaJspQ Rld9Xcf3oGV26Yuo6BGEoOiMl8ePfCngorN7d+wVzZ1FDAadns1aELorsXqyBB+E6KHD Rg0Xggex+gaaCGOHj0RqHt1V2cSvLoJiDcPzWVF6cy8B6+H86TFwH8QM2D4RRQP5N4UV oE0QW+GEBn7lKDmdpP1EXuSji2LSzcS/wXhLkRUlazIfj8X/ummQt+YTG392V/Pw+MZ3 5WsA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:dkim-signature:date; bh=/QqAzhXePGV1CXqvnd6zJh4TV/zOw21aIstHur4Nf1w=; b=X3c8t05V8PnkovAD17ASixul1AjYbyTSLg9UfmLnerK5yoK+gsoNqv6gUsjBcF1Rfy N7KL5ygMq+QNyir5KX0ApAwKqZRwHcLSUlOg/h0R+Cva976mIBVkF7ctECLQlkwi+KUP qvPX25DTLPMK09QdFZSpfiC+gSQryRBoUXs6n7whEf6y1xVgHEmvOG9IiMNDcqCIYvbO vST0/iEKT0eGFx6t9kzFgYM1jVQKxbKXm7db0YicSwnJd8ZSKQWz4s5vWsXrItA4Ma4P IBxzFFPrlDx3djkVqJ10GA202VrMsuTup412w+tkKTkbqmdvH4XVIFmU51k1pb5ao984 2Gog== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=12qGSl6F; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id 35si2549701edm.126.2020.12.10.00.57.47; Thu, 10 Dec 2020 00:58:09 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=12qGSl6F; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388504AbgLJIzA (ORCPT + 99 others); Thu, 10 Dec 2020 03:55:00 -0500 Received: from mail.kernel.org ([198.145.29.99]:48826 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388502AbgLJIyx (ORCPT ); Thu, 10 Dec 2020 03:54:53 -0500 Date: Thu, 10 Dec 2020 09:55:26 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1607590452; bh=xIgVJvAlVCJKs4E82O3GqG7+LHjFNMuiHbinDzdeBfE=; h=From:To:Cc:Subject:References:In-Reply-To:From; b=12qGSl6F2u3dhjHpFyxAOrcmayyyL/HpeQol392+zZWqOLkpTNsbaxiH/TIagnEe5 c6ugbivK+7Afok7l+STVpiZmlJsQBMfTKPKKyuE+QvS2pitlakuFgWVMoGqxBzqN/v VGHEWYrv+J/6rJvNx4uu7l9mI+Z1/1aVQkFfTFL8= From: Greg KH To: Hemant Kumar Cc: manivannan.sadhasivam@linaro.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, jhugo@codeaurora.org, bbhatt@codeaurora.org, loic.poulain@linaro.org, netdev@vger.kernel.org Subject: Re: [PATCH v16 4/4] bus: mhi: Add userspace client interface driver Message-ID: References: <1607584885-23824-1-git-send-email-hemantk@codeaurora.org> <1607584885-23824-5-git-send-email-hemantk@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1607584885-23824-5-git-send-email-hemantk@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 09, 2020 at 11:21:25PM -0800, Hemant Kumar wrote: > This MHI client driver allows userspace clients to transfer > raw data between MHI device and host using standard file operations. > Driver instantiates UCI device object which is associated to device > file node. UCI device object instantiates UCI channel object when device > file node is opened. UCI channel object is used to manage MHI channels > by calling MHI core APIs for read and write operations. MHI channels > are started as part of device open(). MHI channels remain in start > state until last release() is called on UCI device file node. Device > file node is created with format > > /dev/ > > Currently it supports QMI channel. > > Signed-off-by: Hemant Kumar > Reviewed-by: Manivannan Sadhasivam > Reviewed-by: Jeffrey Hugo > Tested-by: Loic Poulain > --- Can you provide a pointer to the open-source userspace program that will be talking to this new kernel driver please? That should be part of the changelog here. thanks, greg k-h