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 39969C28CC0 for ; Thu, 30 May 2019 03:34:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 13A5F24B44 for ; Thu, 30 May 2019 03:34:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559187256; bh=MmIkGhU8yGNON9B772QdRYAIc7GER/U26lleh8N4WcU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=mrB8glGvqlU8nHTgUdhR+1NLROqy7C57fBChy3/Wn8U/bkBLim2NQbW104ATvdm/2 9SRT+oPx8cMaCxbZX7vlPCaEi1AaK9oQeU8tkw5crSPLc+cvxJrpoPmFHI9Z5KHN+u 4BO2rL+/Li77k0sM1DRfB13+gZlPCdT4pC4JgHzE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387446AbfE3D1g (ORCPT ); Wed, 29 May 2019 23:27:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:55402 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731919AbfE3DTb (ORCPT ); Wed, 29 May 2019 23:19:31 -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 BDFA024893; Thu, 30 May 2019 03:19:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186370; bh=MmIkGhU8yGNON9B772QdRYAIc7GER/U26lleh8N4WcU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=R0CGy/jHEyYRS2k9Ws3sT9GOvrGregCdWSbDlRWSuCrPTMW2X8ehXH1yf/hbvQJdf GyzPzmf5apjQRkwHEaBzfwNidDyTgV1whX5vci8luYBD/X8B+nBx96JYOgWYEe+b5a H3qUaPQrsax+fQkP9b2wIKI5vIbv+Lf23oXOY+aw= 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 4.14 119/193] mmc: sdhci-of-esdhc: add erratum eSDHC5 support Date: Wed, 29 May 2019 20:06:13 -0700 Message-Id: <20190530030505.202984416@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030446.953835040@linuxfoundation.org> References: <20190530030446.953835040@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 7b7d077e40fd4..9207820514ceb 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -880,6 +880,9 @@ 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