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=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 4156EC3A5A7 for ; Mon, 2 Sep 2019 13:38:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1847B216C8 for ; Mon, 2 Sep 2019 13:38:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567431537; bh=K3vO38Rb/zCPbOfoceu+yNtZEd8FOHzfA6fTWKRGMEE=; h=Date:From:Subject:References:In-Reply-To:Cc:Cc:To:List-ID:From; b=YkxtkM1W85riCBWkPqxsJ1c2WDTMXHVRtsFD/vgrPEXXQo5uBtAQuu2wJFHGhqPCi uYVgynzpgw8IdTOEFkIJee7vjXmT2eGSEZcy4J1KJR6Fq04Sznp4AhZerwCI7wVo7P qLsXAQp3R+NRsa4xyu9S3EaK4sOQgfeCPO3mM2A0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731045AbfIBNi4 (ORCPT ); Mon, 2 Sep 2019 09:38:56 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:40910 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731019AbfIBNiz (ORCPT ); Mon, 2 Sep 2019 09:38:55 -0400 Received: by mail-wr1-f66.google.com with SMTP id c3so14067306wrd.7; Mon, 02 Sep 2019 06:38:53 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:date:from:subject:references :in-reply-to:cc:cc:to; bh=3MigCfRMPHZaTe6xntZFSgd60Ton27WsycAk1QzXSb8=; b=WcGFqW8VVEUW9shRtoBC0Rj3+Kt2edWEka8AQEGIjlZVW6lWqkD4fmkikfJ4el8Jes /t55O1Ih7pcqs/i9iDTQ1BctiA9QrqOMAtbKYNvLHuQAu6DGxO19ucPcSKg2gihc+egL w2tq9YwqjcNXSA6zzWJkE+ImPyvalDkZ9tfrDXk6bJ1LEE+IkqGbDH6Mah7W6JEvu+hd MsAXyWEkdYw8bnvlUOcG/0uHVJK1b3qKYXz/XYtMEBThSz0JHfgGWatIZOJJoUftS8hy SnxdJWhduMxOwBcfjageINOmhRmJl6RTaKzM4IWLseJWI7pxa+SphGGPiUHhwxZ7BC0v lDwg== X-Gm-Message-State: APjAAAVDsaLBbE3fVuJpYoZmN63dF8MzOUGVZbatEHlozyA0ea7nQ0BW Avu/uGghlJeiXlpizO23sg== X-Google-Smtp-Source: APXvYqzJYI/YKwgHJ8rDQWv7wGduOfTx+1tB96ZS93ckiyaJdJDOz7lX4rknN0anPKeGu35ijjfZRg== X-Received: by 2002:adf:8043:: with SMTP id 61mr29988673wrk.115.1567431533168; Mon, 02 Sep 2019 06:38:53 -0700 (PDT) Received: from localhost ([212.187.182.166]) by smtp.gmail.com with ESMTPSA id x17sm11602618wmi.46.2019.09.02.06.38.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Sep 2019 06:38:52 -0700 (PDT) Message-ID: <5d6d1b6c.1c69fb81.e1729.0655@mx.google.com> Date: Mon, 02 Sep 2019 14:38:51 +0100 From: Rob Herring Subject: Re: [PATCH v4 2/3] scsi: ufs-qcom: Implement device_reset vops References: <20190828191756.24312-1-bjorn.andersson@linaro.org> <20190828191756.24312-3-bjorn.andersson@linaro.org> In-Reply-To: <20190828191756.24312-3-bjorn.andersson@linaro.org> Cc: Mark Rutland , Alim Akhtar , Avri Altman , Pedro Sousa , "James E.J. Bottomley" , "Martin K. Petersen" Cc: Andy Gross , Bean Huo , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-scsi@vger.kernel.org, Linus Walleij To: Bjorn Andersson Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Wed, 28 Aug 2019 12:17:55 -0700, Bjorn Andersson wrote: > The UFS_RESET pin on Qualcomm SoCs are controlled by TLMM and exposed > through the GPIO framework. Acquire the device-reset GPIO and use this > to implement the device_reset vops, to allow resetting the attached > memory. > > Based on downstream support implemented by Subhash Jadavani > . > > Signed-off-by: Bjorn Andersson > --- > > Changes since v3: > - Renamed device-reset-gpios to just reset-gpios. > - Explicitly bail on !host->device_reset, to not rely on passing NULL to > gpiod_set_value_cansleep() > > .../devicetree/bindings/ufs/ufshcd-pltfrm.txt | 2 ++ > drivers/scsi/ufs/ufs-qcom.c | 36 +++++++++++++++++++ > drivers/scsi/ufs/ufs-qcom.h | 4 +++ > 3 files changed, 42 insertions(+) > Acked-by: Rob Herring