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[23.128.96.18]) by mx.google.com with ESMTP id y6si1564692edt.1.2021.03.31.04.18.21; Wed, 31 Mar 2021 04:18:44 -0700 (PDT) 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=@linaro.org header.s=google header.b=AGEh0K4J; 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=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235019AbhCaLRQ (ORCPT + 99 others); Wed, 31 Mar 2021 07:17:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235159AbhCaLQt (ORCPT ); Wed, 31 Mar 2021 07:16:49 -0400 Received: from mail-pg1-x52d.google.com (mail-pg1-x52d.google.com [IPv6:2607:f8b0:4864:20::52d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 29C23C06174A for ; Wed, 31 Mar 2021 04:16:49 -0700 (PDT) Received: by mail-pg1-x52d.google.com with SMTP id f10so13969390pgl.9 for ; Wed, 31 Mar 2021 04:16:49 -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=RgCZPHUwv958dBeV30UQOqhSoe3Lgk0n+l1EWY8sEdM=; b=AGEh0K4JiqUMeXHjW8bBvgW0aCYbfFuDrq7Hgg0hvVj7q3cOX0zoxUT4gJZ3+n3z1n 2NMsdBUb/f54sNX12UAhAI8ZKPn2y31ubYLAR/TvfZQ3wnaLY6ltgfItyhJmsHPwB3yY BbCrwAMgSUkc2fBlYPOOeZU/PYBZNdQX9yUCepkbKNImZ+TPoSrooBQMU0qUyFA4sKue oQj/vHhxEahkRTTiNNj7AWVbr9M89TAC56wc7SETjU5x+FrXfCNjMMjntKmJGxE9KqrD imDkOAG/M5WVlruLLcL1BpJfNeD6BUoJsw6T6ww0LUw0p8pPHi3TCFP7hTi8s9Q3byTk lATw== 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=RgCZPHUwv958dBeV30UQOqhSoe3Lgk0n+l1EWY8sEdM=; b=Ueukfp0rHGWyso1uHEzpeOj9iFpWyZTasNqvsdC099VTb04o1K6QahCuh/m68zqC+U WbFtHRzLNntYiKNNaOFq8Iwlgro0ACnaJvIWKerABPbkcN7g5GWHQm0/ojNXuXfyJusX 0ykTdmO6vgTu8EVYumMtu7OmtZYofKNdUFJWRUPO90R91Xfl7exmxHZBtenwwiHXeqRA wsAsa0yWTEn1Oi9nYRqbR15de3ZTc8a+gRkBatCzLLN2XCsZjn2ZhSKt+CLIhxhI3IVu Q++61PfkrO6X8C3c4o979EqCKijGJ+G3B9i/9yXKlF9yElcItO2iawdXU10dnQ9BoxBs Tlxw== X-Gm-Message-State: AOAM530tiQkYs0ComkDRtCmHaGMPOzDpBO0nPzt7d3C64xkWzMBY83ak ohFkeMMv5EvWD+z173Ji5UqY X-Received: by 2002:a63:f506:: with SMTP id w6mr2737302pgh.367.1617189408600; Wed, 31 Mar 2021 04:16:48 -0700 (PDT) Received: from work ([103.77.37.129]) by smtp.gmail.com with ESMTPSA id 67sm2191459pfb.148.2021.03.31.04.16.45 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 31 Mar 2021 04:16:48 -0700 (PDT) Date: Wed, 31 Mar 2021 16:46:44 +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: <20210331111644.GE15610@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. > These patches were part of a different series before. It is good that you splitted the patches but you should mention that here. 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 >