linux-kernel - [PATCH v2 27/40] mmc: tegra: Set SDHCI_QUIRK2_TUNE_DIS_CARD

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Date:   Fri, 10 Aug 2018 21:08:29 +0300
From:   Aapo Vienamo <avienamo@...dia.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Mikko Perttunen <mperttunen@...dia.com>,
        Stefan Agner <stefan@...er.ch>
CC:     <devicetree@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-mmc@...r.kernel.org>,
        Aapo Vienamo <avienamo@...dia.com>
Subject: [PATCH v2 27/40] mmc: tegra: Set SDHCI_QUIRK2_TUNE_DIS_CARD_CLK on Tegra210

This prevents a possible hardware hang during tuning.

Signed-off-by: Aapo Vienamo <avienamo@...dia.com>
---
 drivers/mmc/host/sdhci-tegra.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index 3a53593..0959102 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -837,7 +837,8 @@ static const struct sdhci_pltfm_data sdhci_tegra210_pdata = {
 		  SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC |
 		  SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
 	.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
-		   SDHCI_QUIRK2_TUNE_SKIP_XFERMODE_REG_PROG,
+		   SDHCI_QUIRK2_TUNE_SKIP_XFERMODE_REG_PROG |
+		   SDHCI_QUIRK2_TUNE_DIS_CARD_CLK,
 	.ops  = &tegra210_sdhci_ops,
 };
 
-- 
2.7.4