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=-8.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 EDBCDC2BB1D for ; Tue, 17 Mar 2020 09:52:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C718E2074D for ; Tue, 17 Mar 2020 09:52:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726370AbgCQJwb (ORCPT ); Tue, 17 Mar 2020 05:52:31 -0400 Received: from mga03.intel.com ([134.134.136.65]:11234 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725872AbgCQJwb (ORCPT ); Tue, 17 Mar 2020 05:52:31 -0400 IronPort-SDR: 3gFeyB/sMtAXH5KgvDK4vJqCTYN2ML2o1fV2Hbt2t69CrfzhYhAfwC9f/98fVEMCgeaOFpXYV1 SvgJzUEcUjtA== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Mar 2020 02:52:30 -0700 IronPort-SDR: +azI8A9fKBjRQ58L4+ha8WqErnfAG+LfoivYULQdO/g/GXyyXzucTRi5GuxYPJzGwecRN6XO9x S0F1069bxh+Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,564,1574150400"; d="scan'208";a="443697708" Received: from ahunter-desktop.fi.intel.com (HELO [10.237.72.87]) ([10.237.72.87]) by fmsmga005.fm.intel.com with ESMTP; 17 Mar 2020 02:52:27 -0700 Subject: Re: [PATCH v1 3/3] mmc: tegra: Enable host capability MMC_CAP2_LONG_WAIT_HW_BUSY To: Sowjanya Komatineni , ulf.hansson@linaro.org, baolin.wang@linaro.org, kstewart@linuxfoundation.org, tglx@linutronix.de, bradleybolen@gmail.com, gregkh@linuxfoundation.org, thierry.reding@gmail.com, jonathanh@nvidia.com Cc: anrao@nvidia.com, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org References: <1583799205-8442-1-git-send-email-skomatineni@nvidia.com> <1583799205-8442-3-git-send-email-skomatineni@nvidia.com> From: Adrian Hunter Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Message-ID: Date: Tue, 17 Mar 2020 11:51:49 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <1583799205-8442-3-git-send-email-skomatineni@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/03/20 2:13 am, Sowjanya Komatineni wrote: > Some mmc operations take longer than maximum HW busy detection and > mmc core driver converts R1B type to R1 type response for these > operations based on host max busy timeout and command operation time > and uses SW poll for busy. > > Tegra host support long HW busy detection where host waits forever > till the card is busy. > > This patch enables MMC_CAP2_LONG_WAIT_HW_BUSY capability for Tegra > host. > > Signed-off-by: Sowjanya Komatineni Acked-by: Adrian Hunter > --- > drivers/mmc/host/sdhci-tegra.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c > index 40a221d..9d0f371 100644 > --- a/drivers/mmc/host/sdhci-tegra.c > +++ b/drivers/mmc/host/sdhci-tegra.c > @@ -1583,6 +1583,7 @@ static int sdhci_tegra_probe(struct platform_device *pdev) > if (tegra_host->soc_data->nvquirks & NVQUIRK_ENABLE_DDR50) > host->mmc->caps |= MMC_CAP_1_8V_DDR; > > + host->mmc->caps2 |= MMC_CAP2_LONG_WAIT_HW_BUSY; > tegra_sdhci_parse_dt(host); > > tegra_host->power_gpio = devm_gpiod_get_optional(&pdev->dev, "power", >