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=-12.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 AD1FEC433E3 for ; Wed, 31 Mar 2021 11:26:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 67121619AB for ; Wed, 31 Mar 2021 11:26:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235181AbhCaLZq (ORCPT ); Wed, 31 Mar 2021 07:25:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34072 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235163AbhCaLYT (ORCPT ); Wed, 31 Mar 2021 07:24:19 -0400 Received: from mail-pg1-x52e.google.com (mail-pg1-x52e.google.com [IPv6:2607:f8b0:4864:20::52e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8468FC06174A for ; Wed, 31 Mar 2021 04:24:09 -0700 (PDT) Received: by mail-pg1-x52e.google.com with SMTP id v10so13968853pgs.12 for ; Wed, 31 Mar 2021 04:24:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=sJBaCHwwIuvtPkiNIiI44cG7FfU3ForiEr6IkmHZGUA=; b=FUCoXc+xa03mNs8QiV77/Vvcp94qGkwKJICyMNwfKrNKZdC7Nbp3cSKX3nZJhUWbvS VH7IQrHaSxYqbkr9/HGzDZWAImxkQsTNuZBauEUZwwohdbhAZw2RDWnmGetzSzAewopi P2+OEVe3dCboKX8MwJ7wg0TEdHRuESbD8c/kR0IYEwzZui1Jojsk62BQ3oFQh7w4Unij KuObXu1+A+IPvGhcmjzPow9MlFkxwwIa6R7VKWLkFztyGaB3CMOiUL0b1ID2H66LWqNO h0TkK8ZEpu9FGafCwLwWxLC99ceBkNkuibWRntUhePkh4tiIanbs0BPjpZ5rngrWiyLE WHMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=sJBaCHwwIuvtPkiNIiI44cG7FfU3ForiEr6IkmHZGUA=; b=Z2h0bWazT5lfVQ9TAyexRL+2gCUITQXrUwFFO/DTasi89FmI8yk5ly+QEwi0aWzGVf si3v5xsZIDFTa2ee5VI3MkmDMkZJ6kvZdcPtblmESGEZvt1tbAym99iN0Lj29dTGmOeU wV2TOivieTDKWrkQqG3Sbcocu8ngHF62odretQEda4fVD73g1xwydrtT6SRnkprAuZdq p8E0o2xMxpsHLF2aNVw/lXz9cnzUjKxC1uj0zuNDapl/cYbPG8lIoXH1J51ymewlm5HS ON2hZ1Jvd8ussa01QntpyqxbVLp94BvQHFPy9nmDhden01E+hn76yeI6TflVvRLKq7w3 gUZA== X-Gm-Message-State: AOAM531noz3sFQLri6jRlvR1kWHUnxXIjodFSEzc8bBX/yguivL3Qal2 mbHVSXnf4e4x2gl+Oh0Y61Li X-Google-Smtp-Source: ABdhPJzr2k3zeeARoVMh7VMjADub05kwf4UnlJAfpGS5drrVveiOb4csqKWwpEKz8SPvgdG7GhvzHA== X-Received: by 2002:a62:3847:0:b029:202:ad05:4476 with SMTP id f68-20020a6238470000b0290202ad054476mr2437271pfa.67.1617189848843; Wed, 31 Mar 2021 04:24:08 -0700 (PDT) Received: from work ([103.77.37.129]) by smtp.gmail.com with ESMTPSA id t1sm2140094pfc.173.2021.03.31.04.24.05 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 31 Mar 2021 04:24:08 -0700 (PDT) Date: Wed, 31 Mar 2021 16:54:04 +0530 From: Manivannan Sadhasivam To: Bhaumik Bhatt Cc: linux-arm-msm@vger.kernel.org, hemantk@codeaurora.org, jhugo@codeaurora.org, linux-kernel@vger.kernel.org, carl.yin@quectel.com, naveen.kumar@quectel.com, loic.poulain@linaro.org, abickett@codeaurora.org Subject: Re: [PATCH v1 0/7] MHI Emergency download and flash programmer support Message-ID: <20210331112404.GF15610@work> References: <1617067704-28850-1-git-send-email-bbhatt@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1617067704-28850-1-git-send-email-bbhatt@codeaurora.org> User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 29, 2021 at 06:28:17PM -0700, Bhaumik Bhatt wrote: > Allow handling EDL mode after SYS_ERROR occurs by reading the execution > environment post handling and move to power on reset state to accommodate the > scenario. > Handle EDL mode properly and wait for ready instead of just exiting from the > firmware load. > Allow use of the Flash Programmer execution environment as a mission mode > use case for a blank NAND power up scenario. > Always attempt a wait for MHI ready state as device could be waiting for the > host to do so after pass through execution environment is seen. > Introduce patch to improve state awareness and aid in debugging. > > This patch series was tested on x86_64 architecture. > Applied to mhi-next! Thanks, Mani > Bhaumik Bhatt (6): > bus: mhi: core: Rely on accurate method to determine EDL mode > bus: mhi: core: Wait for ready after an EDL firmware download > bus: mhi: core: Handle EDL mode entry appropriately > bus: mhi: core: Identify Flash Programmer as a mission mode use case > bus: mhi: core: Wait for MHI READY state in most scenarios > bus: mhi: core: Improve state strings for debug messages > > Carl Yin (1): > bus: mhi: core: Add support for Flash Programmer execution environment > > drivers/bus/mhi/core/boot.c | 13 +++++++------ > drivers/bus/mhi/core/init.c | 34 ++++++++++++++++++---------------- > drivers/bus/mhi/core/internal.h | 4 +++- > drivers/bus/mhi/core/main.c | 3 +++ > drivers/bus/mhi/core/pm.c | 28 +++++++++++++++++++++++++--- > include/linux/mhi.h | 4 +++- > 6 files changed, 59 insertions(+), 27 deletions(-) > > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project >