linux-kernel - [PATCH 4.14 012/496] mmc: sdhci-iproc: add SDHCI_QUIRK2_HOST_OFF_CARD

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Date:   Mon, 28 May 2018 11:56:37 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Corneliu Doban <corneliu.doban@...adcom.com>,
        Scott Branden <scott.branden@...adcom.com>,
        Ray Jui <ray.jui@...adcom.com>,
        Srinath Mannam <srinath.mannam@...adcom.com>,
        Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH 4.14 012/496] mmc: sdhci-iproc: add SDHCI_QUIRK2_HOST_OFF_CARD_ON for cygnus

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Corneliu Doban <corneliu.doban@...adcom.com>

commit 3de06d5a1f05c11c94cbb68af14dbfa7fb81d78b upstream.

The SDHCI_QUIRK2_HOST_OFF_CARD_ON is needed for the driver to
properly reset the host controller (reset all) on initialization
after exiting deep sleep.

Signed-off-by: Corneliu Doban <corneliu.doban@...adcom.com>
Signed-off-by: Scott Branden <scott.branden@...adcom.com>
Reviewed-by: Ray Jui <ray.jui@...adcom.com>
Reviewed-by: Srinath Mannam <srinath.mannam@...adcom.com>
Fixes: c833e92bbb60 ("mmc: sdhci-iproc: support standard byte register accesses")
Cc: stable@...r.kernel.org # v4.10+
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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

--- a/drivers/mmc/host/sdhci-iproc.c
+++ b/drivers/mmc/host/sdhci-iproc.c
@@ -186,7 +186,7 @@ static const struct sdhci_ops sdhci_ipro
 
 static const struct sdhci_pltfm_data sdhci_iproc_cygnus_pltfm_data = {
 	.quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK,
-	.quirks2 = SDHCI_QUIRK2_ACMD23_BROKEN,
+	.quirks2 = SDHCI_QUIRK2_ACMD23_BROKEN | SDHCI_QUIRK2_HOST_OFF_CARD_ON,
 	.ops = &sdhci_iproc_32only_ops,
 };