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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,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 8AF78C43331 for ; Tue, 31 Mar 2020 09:02:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5CDAD20B80 for ; Tue, 31 Mar 2020 09:02:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585645360; bh=OOrvL+hxe4tsrCV6JNg9MTvSFyZDghtmI19y3UsQ144=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=o484aJcn+Lkq9vHCBkIpHNaYRZhCzJ9rI3fy5M+SZkrMEsTOOhFQEhW0HE3u/i8Xj GM3wrHuF+KOjkBnCt9rVzQQrRjTQOyn/G2J0akch2ptyzeT5uEUsnwyrqPUHzHE08L lqcD2VpsgqZ3JbRdt86/ArR5MFm+iqTv8R93xu0g= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730496AbgCaJCi (ORCPT ); Tue, 31 Mar 2020 05:02:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:42152 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730732AbgCaJCe (ORCPT ); Tue, 31 Mar 2020 05:02:34 -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 E79D0208E0; Tue, 31 Mar 2020 09:02:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585645354; bh=OOrvL+hxe4tsrCV6JNg9MTvSFyZDghtmI19y3UsQ144=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dfqhbWAaF9r2X2YbYNtzwphrzJi45GAx6VcyHq7+SLcfUzb6uO6PMoQUeHE3Pf3+O h0XxHYjNWCV1WsR6ZDd+ieBtOoQvNPMXH4PHbwMrhXo5s6KDiZEtLWmGCKe/7Okm+/ iXTS6WX3vLpbTRPdzt1m5fybngU8HqmDO6U3mC78= 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 5.5 005/170] mmc: sdhci-tegra: Fix busy detection by enabling MMC_CAP_NEED_RSP_BUSY Date: Tue, 31 Mar 2020 10:56:59 +0200 Message-Id: <20200331085424.690150019@linuxfoundation.org> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200331085423.990189598@linuxfoundation.org> References: <20200331085423.990189598@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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(+) diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index 403ac44a73782..a25c3a4d3f6cb 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -1552,6 +1552,9 @@ 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; + /* 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", -- 2.20.1