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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        Eugen Hristev <eugen.hristev@microchip.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Ulf Hansson <ulf.hansson@linaro.org>
Subject: [PATCH 4.9 015/222] mmc: sdhci-of-at91: fix quirk2 overwrite
Date:   Fri, 22 Nov 2019 11:25:55 +0100
Message-Id: <20191122100834.762535278@linuxfoundation.org>
In-Reply-To: <20191122100830.874290814@linuxfoundation.org>
References: <20191122100830.874290814@linuxfoundation.org>
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From: Eugen Hristev <eugen.hristev@microchip.com>

commit fed23c5829ecab4ddc712d7b0046e59610ca3ba4 upstream.

The quirks2 are parsed and set (e.g. from DT) before the quirk for broken
HS200 is set in the driver.
The driver needs to enable just this flag, not rewrite the whole quirk set.

Fixes: 7871aa60ae00 ("mmc: sdhci-of-at91: add quirk for broken HS200")
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/mmc/host/sdhci-of-at91.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/mmc/host/sdhci-of-at91.c
+++ b/drivers/mmc/host/sdhci-of-at91.c
@@ -318,7 +318,7 @@ static int sdhci_at91_probe(struct platf
 	pm_runtime_use_autosuspend(&pdev->dev);
 
 	/* HS200 is broken at this moment */
-	host->quirks2 = SDHCI_QUIRK2_BROKEN_HS200;
+	host->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200;
 
 	ret = sdhci_add_host(host);
 	if (ret)