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=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED,USER_AGENT_GIT 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 060D1C28CC0 for ; Thu, 30 May 2019 03:23:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C55E224A2E for ; Thu, 30 May 2019 03:23:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186619; bh=MFuOwopmUXbAwpiLYlO/N3fbmfGOTPXUDbJEuT5tAu0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=02fVhXA78WTGqAKoMaf+M2WkCGbWoS1B1Jct1sDAq0OnLKQ14+jkeeaJyqa6SNL9t Vrfe4CuyoBnkxB/z6GRjupjZ57MLbHj7L8uHaAlvis7fPpaHGL0nUmqQ/AOeKpsAli UJDeA2a49h6m/BUemupBooCq62AphpVxsQSkXL/c= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731560AbfE3DXj (ORCPT ); Wed, 29 May 2019 23:23:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:47328 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731125AbfE3DR3 (ORCPT ); Wed, 29 May 2019 23:17:29 -0400 Received: from localhost (ip67-88-213-2.z213-88-67.customer.algx.net [67.88.213.2]) (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 404742464B; Thu, 30 May 2019 03:17:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186248; bh=MFuOwopmUXbAwpiLYlO/N3fbmfGOTPXUDbJEuT5tAu0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MUvAHyXTvDabfwcA6sw0d5JEWnN4rhhmBqCtAULLrnYvTb7//zjvf6HxZHfqGgaJ5 YfgIk0b7VkoaezTey5ADYkHq+dH9qUDXyOp6VZ6MiKztRZ/XtjqAAmz0QbIpcPEwcO iiLFFLe3mWjaHTqrMAHiwOrAG2HgrKCs/b5OQ1cY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yinbo Zhu , Adrian Hunter , Ulf Hansson , Sasha Levin Subject: [PATCH 4.19 165/276] mmc: sdhci-of-esdhc: add erratum eSDHC5 support Date: Wed, 29 May 2019 20:05:23 -0700 Message-Id: <20190530030535.753114499@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030523.133519668@linuxfoundation.org> References: <20190530030523.133519668@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 [ Upstream commit a46e42712596b51874f04c73f1cdf1017f88df52 ] Software writing to the Transfer Type configuration register (system clock domain) can cause a setup/hold violation in the CRC flops (card clock domain), which can cause write accesses to be sent with corrupt CRC values. This issue occurs only for write preceded by read. this erratum is to fix this issue. Signed-off-by: Yinbo Zhu Acked-by: Adrian Hunter Signed-off-by: Ulf Hansson Signed-off-by: Sasha Levin --- drivers/mmc/host/sdhci-of-esdhc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index a7bf8515116fd..b2199d621b8c5 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -917,6 +917,9 @@ static int sdhci_esdhc_probe(struct platform_device *pdev) if (esdhc->vendor_ver > VENDOR_V_22) host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ; + if (of_find_compatible_node(NULL, NULL, "fsl,p2020-esdhc")) + host->quirks2 |= SDHCI_QUIRK_RESET_AFTER_REQUEST; + if (of_device_is_compatible(np, "fsl,p5040-esdhc") || of_device_is_compatible(np, "fsl,p5020-esdhc") || of_device_is_compatible(np, "fsl,p4080-esdhc") || -- 2.20.1