linux-kernel - [PATCH 4.19 39/39] mmc: sdhci-of-dwcmshc: set SDHCI_QUIRK2_PRESET_VALUE

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Message-Id: <20210310132320.925727321@linuxfoundation.org>
Date:   Wed, 10 Mar 2021 14:24:47 +0100
From:   gregkh@...uxfoundation.org
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Jisheng Zhang <Jisheng.Zhang@...aptics.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 39/39] mmc: sdhci-of-dwcmshc: set SDHCI_QUIRK2_PRESET_VALUE_BROKEN

From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

From: Jisheng Zhang <Jisheng.Zhang@...aptics.com>

[ Upstream commit 5f7dfda4f2cec580c135fd81d96a05006651c128 ]

The SDHCI_PRESET_FOR_* registers are not set(all read as zeros), so
set the quirk.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@...aptics.com>
Link: https://lore.kernel.org/r/20201210165510.76b917e5@xhacker.debian
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/mmc/host/sdhci-of-dwcmshc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index 1b7cd144fb01..a34b17b284a5 100644
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -28,6 +28,7 @@ static const struct sdhci_ops sdhci_dwcmshc_ops = {
 static const struct sdhci_pltfm_data sdhci_dwcmshc_pdata = {
 	.ops = &sdhci_dwcmshc_ops,
 	.quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
+	.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
 };
 
 static int dwcmshc_probe(struct platform_device *pdev)
-- 
2.30.1