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 8266AC072B1 for ; Thu, 30 May 2019 03:43:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 575B624C61 for ; Thu, 30 May 2019 03:43:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559187831; bh=63ari9mXWTQt9/+RydXPraSoSuatrLrfYVhzHAzn9/I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=R34dNCayBNzV9N4LXkH8IkpiyVPtMOASBfhyjrvqT3mfXqq3AQTjx4WGJMsCPzoHU uw/oXbG3hPTQM+gJHOj9EbXlWBq8BdrZTXPgRozjJ/1FlnAQAeonjGS6chdt+Y7uxE b9kPUF8evVAF+4XII3pbU1Ie5PKnEgfG4dJjWvpc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729579AbfE3Dnq (ORCPT ); Wed, 29 May 2019 23:43:46 -0400 Received: from mail.kernel.org ([198.145.29.99]:60994 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732419AbfE3DVD (ORCPT ); Wed, 29 May 2019 23:21:03 -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 56E18249AC; Thu, 30 May 2019 03:21:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186462; bh=63ari9mXWTQt9/+RydXPraSoSuatrLrfYVhzHAzn9/I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=v9l/lhsBylRANbd1ISzKEQd3vuZpEVHJkCErLv2ujzQvSxdgzCd2JgIi8PYpxTse2 bdMszYsfAWFFXXiNJrfzVGzQRpRjYsKgzMMpdhIGC0VaoNbkuD2FAl3JZZaxgUINcg FpjQl6vjZ/QbrNlCT51GOGxyBP2EEJwXwYSUZcC4= 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 4.9 080/128] mmc: sdhci-of-esdhc: add erratum eSDHC5 support Date: Wed, 29 May 2019 20:06:52 -0700 Message-Id: <20190530030449.044258871@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030432.977908967@linuxfoundation.org> References: <20190530030432.977908967@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 [ 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 a51d636c23121..4db2769ea20c1 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -636,6 +636,9 @@ 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