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=-5.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 C50E4C54E8E for ; Tue, 12 May 2020 01:52:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A147D2070B for ; Tue, 12 May 2020 01:52:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="SpGZ4/97" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726415AbgELBwX (ORCPT ); Mon, 11 May 2020 21:52:23 -0400 Received: from mail26.static.mailgun.info ([104.130.122.26]:20702 "EHLO mail26.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726874AbgELBwW (ORCPT ); Mon, 11 May 2020 21:52:22 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1589248342; h=Content-Transfer-Encoding: Content-Type: In-Reply-To: MIME-Version: Date: Message-ID: From: References: Cc: To: Subject: Sender; bh=5GcdiONqEv36FWjP2qQN8cdoBoN6pSTyf2ili7mG7S0=; b=SpGZ4/97ARwgNvMRhi1Mlzs6FfZtcqRXUGjXulgLT06cczzp+qBRsa0dQ2553Bvetl7Kn7BD YuC/I8WqNyOGrWX5rS/7i8Nq3UygEKJ0y7dRIgkZzfODoX/r7ir3jaA7OeoRDoLOCDEOOpP7 LgDfg2eSK/E4aASY/ozgzgwZmRU= X-Mailgun-Sending-Ip: 104.130.122.26 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 mxa.mailgun.org with ESMTP id 5eba0150.7f297b1a0490-smtp-out-n04; Tue, 12 May 2020 01:52:16 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 07F42C433CB; Tue, 12 May 2020 01:52:15 +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 BEA28C433F2; Tue, 12 May 2020 01:52:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org BEA28C433F2 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=none smtp.mailfrom=hemantk@codeaurora.org Subject: Re: [PATCH v4] bus: mhi: core: Handle syserr during power_up To: Jeffrey Hugo , manivannan.sadhasivam@linaro.org Cc: bbhatt@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org References: <1588868371-8365-1-git-send-email-jhugo@codeaurora.org> From: Hemant Kumar Message-ID: <523be297-0852-e114-44c0-232f30f593c4@codeaurora.org> Date: Mon, 11 May 2020 18:52:13 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <1588868371-8365-1-git-send-email-jhugo@codeaurora.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 5/7/20 9:19 AM, Jeffrey Hugo wrote: > The MHI device may be in the syserr state when we attempt to init it in > power_up(). Since we have no local state, the handling is simple - > reset the device and wait for it to transition out of the reset state. > > Signed-off-by: Jeffrey Hugo Reviewed-by: Hemant Kumar