Commit 94ee6782 authored by Hans de Goede's avatar Hans de Goede Committed by Ulf Hansson
Browse files

mmc: sdhci-acpi: Disable write protect detection on Toshiba Encore 2 WT8-B 



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: default avatarHans de Goede <hdegoede@redhat.com>
Acked-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20210503092157.5689-1-hdegoede@redhat.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Cc: stable@vger.kernel.org
parent 873e9088

drivers/mmc/host/sdhci-acpi.c

+11 −0
Original line number Diff line number Diff line
@@ -822,6 +822,17 @@ static const struct dmi_system_id sdhci_acpi_quirks[] = { 
		},

		.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 */

};