[PATCH 3.12 018/122] mmc: sdhci: Preset value not supported in Baytrail eMMC

[Jiri Slaby]

From: Maurice Petallo <mauricex.r.petallo@xxxxxxxxx>

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

===============

commit d61b59461b0cd0106f03e566d537b9072029e059 upstream.

"SDHCI_QUIRK2_PRESET_VALUE_BROKEN" quirk is added to prohibit
preset value enabling for Baytrail eMMC controller.

Signed-off-by: Maurice Petallo <mauricex.r.petallo@xxxxxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
 drivers/mmc/host/sdhci-acpi.c | 1 +
 drivers/mmc/host/sdhci-pci.c  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index e1c37e24323a..2f266ff7c917 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -119,6 +119,7 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_emmc = {
 	.caps    = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | MMC_CAP_HW_RESET,
 	.caps2   = MMC_CAP2_HC_ERASE_SZ,
 	.flags   = SDHCI_ACPI_RUNTIME_PM,
+	.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
 };
 
 static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = {
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index b2a4c22507d9..ef91e0ac2dc6 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -356,6 +356,7 @@ static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot)
 static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = {
 	.allow_runtime_pm = true,
 	.probe_slot	= byt_emmc_probe_slot,
+	.quirks2	= SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
 };
 
 static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = {
-- 
2.2.2

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