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=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 CD913C43331 for ; Tue, 31 Mar 2020 09:11:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A0DF02137B for ; Tue, 31 Mar 2020 09:11:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585645877; bh=ekc2LUo4dj9DiOJ71/u9IB1qK5jFYIuJBxJG/8hADU0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=V2ctRnpNfwqStDcBCb/5pXg73D8AGhwmrhMTpVqgtPy8+Nog8J3rLsE4SRgEudNds 4cpkuKSZ79C0oI4kZ04NOtgSOUA9Pn3HPq8khcSXylWTQClSzQOocuMkKrOFbrV8Sh 17hx205+mRW2qj5z8j7uRdn+EBsZ/mjPsybEqTDM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731687AbgCaJLQ (ORCPT ); Tue, 31 Mar 2020 05:11:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:55886 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731548AbgCaJLP (ORCPT ); Tue, 31 Mar 2020 05:11:15 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C4DC52072E; Tue, 31 Mar 2020 09:11:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585645875; bh=ekc2LUo4dj9DiOJ71/u9IB1qK5jFYIuJBxJG/8hADU0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KjFH5YiSmKUf06S0IruAlEw0wdLofwAKpRPvwgfS1BfS8C0nOjh2mb4kVcvT95gws iL3LwW+yRjqihOXdsRq7pajYPcPftAOLpPWpwaPCvlBGW4vhz130F13NICz4WDU+mu ds/beB/dzPagazIuxtpQuarSvXi90ZCe10ie6h40= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Bitan Biswas , Peter Geis , Sowjanya Komatineni , Ulf Hansson , Sasha Levin Subject: [PATCH 5.4 005/155] mmc: sdhci-tegra: Fix busy detection by enabling MMC_CAP_NEED_RSP_BUSY Date: Tue, 31 Mar 2020 10:57:25 +0200 Message-Id: <20200331085418.939692392@linuxfoundation.org> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200331085418.274292403@linuxfoundation.org> References: <20200331085418.274292403@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Ulf Hansson [ Upstream commit d2f8bfa4bff5028bc40ed56b4497c32e05b0178f ] It has turned out that the sdhci-tegra controller requires the R1B response, for commands that has this response associated with them. So, converting from an R1B to an R1 response for a CMD6 for example, leads to problems with the HW busy detection support. Fix this by informing the mmc core about the requirement, via setting the host cap, MMC_CAP_NEED_RSP_BUSY. Reported-by: Bitan Biswas Reported-by: Peter Geis Suggested-by: Sowjanya Komatineni Cc: Tested-by: Sowjanya Komatineni Tested-By: Peter Geis Signed-off-by: Ulf Hansson Signed-off-by: Sasha Levin --- drivers/mmc/host/sdhci-tegra.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -1552,6 +1552,9 @@ static int sdhci_tegra_probe(struct plat if (tegra_host->soc_data->nvquirks & NVQUIRK_ENABLE_DDR50) host->mmc->caps |= MMC_CAP_1_8V_DDR; + /* R1B responses is required to properly manage HW busy detection. */ + host->mmc->caps |= MMC_CAP_NEED_RSP_BUSY; + tegra_sdhci_parse_dt(host); tegra_host->power_gpio = devm_gpiod_get_optional(&pdev->dev, "power",