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 20AE0C28CC0 for ; Thu, 30 May 2019 04:26:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E37C225488 for ; Thu, 30 May 2019 04:26:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559190387; bh=sTG8xHWnywbndeLRxXkdSjYXkgYJTnlYbd1AZr8ln0M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=dfwKEbH6qcXs3p6evuO7UBRaAF2kZVRUNQVt5akitLJlG7d68x3AvrcBsanNDfmdm 94N2NQPwCFLOCGkZechQBwoAT6Jfk276LbGpS9nCqJsz99ssZGgEjysj6Icqueibp+ rR58gY7rWszFGIdg8xyiAd/63E9lnYmX4Xx06InI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387558AbfE3E00 (ORCPT ); Thu, 30 May 2019 00:26:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:34972 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728549AbfE3DOd (ORCPT ); Wed, 29 May 2019 23:14:33 -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 329E824594; Thu, 30 May 2019 03:14:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186073; bh=sTG8xHWnywbndeLRxXkdSjYXkgYJTnlYbd1AZr8ln0M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PTMRBiLLXtzLI2+U/dnv6LSSkX/qessadXgVvjYULG1dgizoW3ENmZrv3R6mqTjm0 V21tH5ZdXG7FUBEtlXd0v/vRbMzemvsvj2l3pnLx1uxTBBAb9DjB8z/eGanQh4yFKO oBzxpsIJfUkYJ4bWhyWnqLQO3sdiuxdQjmtu1RCo= 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 5.0 188/346] mmc: sdhci-of-esdhc: add erratum eSDHC5 support Date: Wed, 29 May 2019 20:04:21 -0700 Message-Id: <20190530030550.605412801@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030540.363386121@linuxfoundation.org> References: <20190530030540.363386121@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 4e669b4edfc11..9da53e548691b 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -1074,6 +1074,9 @@ 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