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Message-Id: <20210715182625.545157496@linuxfoundation.org>
Date:   Thu, 15 Jul 2021 20:39:05 +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, Hans de Goede <hdegoede@...hat.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH 5.12 183/242] mmc: sdhci-acpi: Disable write protect detection on Toshiba Encore 2 WT8-B

From: Hans de Goede <hdegoede@...hat.com>

commit 94ee6782e045645abd9180ab9369b01293d862bd upstream.

On the Toshiba Encore 2 WT8-B the  microSD slot always reports the card
being write-protected even though microSD cards do not have a write-protect
switch at all.

Add a new DMI_QUIRK_SD_NO_WRITE_PROTECT quirk entry to sdhci-acpi.c's
DMI quirk table for this.

Signed-off-by: Hans de Goede <hdegoede@...hat.com>
Acked-by: Adrian Hunter <adrian.hunter@...el.com>
Link: https://lore.kernel.org/r/20210503092157.5689-1-hdegoede@redhat.com
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Cc: stable@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/mmc/host/sdhci-acpi.c |   11 +++++++++++
 1 file changed, 11 insertions(+)

--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -820,6 +820,17 @@ static const struct dmi_system_id sdhci_
 		},
 		.driver_data = (void *)DMI_QUIRK_SD_NO_WRITE_PROTECT,
 	},
+	{
+		/*
+		 * The Toshiba WT8-B's microSD slot always reports the card being
+		 * write-protected.
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "TOSHIBA ENCORE 2 WT8-B"),
+		},
+		.driver_data = (void *)DMI_QUIRK_SD_NO_WRITE_PROTECT,
+	},
 	{} /* Terminating entry */
 };
 


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