diff --git a/features/valleyisland-io/0017-mmc-sdhci-Force-BYT-SDCARD-host-to-run-with-SDR25-mo.patch b/features/valleyisland-io/0017-mmc-sdhci-Force-BYT-SDCARD-host-to-run-with-SDR25-mo.patch
new file mode 100644
index 0000000000000000000000000000000000000000..89a50c517f93a43af98daa3b69210d56c185a169
--- /dev/null
+++ b/features/valleyisland-io/0017-mmc-sdhci-Force-BYT-SDCARD-host-to-run-with-SDR25-mo.patch
@@ -0,0 +1,78 @@
+From 2a04e9579aaebe6263e9f32bb6b507c9c451cc83 Mon Sep 17 00:00:00 2001
+From: Chew, Kean Ho <kean.ho.chew@intel.com>
+Date: Mon, 23 Dec 2013 16:14:27 +0800
+Subject: [PATCH 17/17] mmc: sdhci: Force BYT SDCARD host to run with SDR25
+ mode
+
+SD Card v3.01 in the market is not compatible with BYT SDHC IP in SoC
+because this IP only support SD v3.0 only. So, we are forcing DDR50 mode
+to always step down to SDR25.
+
+Signed-off-by: Chew, Kean Ho <kean.ho.chew@intel.com>
+Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@intel.com>
+---
+ drivers/mmc/host/sdhci-acpi.c | 3 ++-
+ drivers/mmc/host/sdhci-pci.c | 3 ++-
+ drivers/mmc/host/sdhci.c | 3 ++-
+ include/linux/mmc/sdhci.h | 3 ++
+ 4 files changed, 9 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
+index 119568f..11acee1 100644
+--- a/drivers/mmc/host/sdhci-acpi.c
++++ b/drivers/mmc/host/sdhci-acpi.c
+@@ -130,7 +130,8 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = {
+
+ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sd = {
+ .flags = SDHCI_ACPI_SD_CD | SDHCI_ACPI_RUNTIME_PM,
+- .quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON,
++ .quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON |
++ SDHCI_QUIRK2_BROKEN_DDR50,
+ };
+
+ struct sdhci_acpi_uid_slot {
+diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
+index 33593e7..8848182 100644
+--- a/drivers/mmc/host/sdhci-pci.c
++++ b/drivers/mmc/host/sdhci-pci.c
+@@ -354,7 +354,8 @@ static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = {
+ };
+
+ static const struct sdhci_pci_fixes sdhci_intel_byt_sd = {
+- .quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON,
++ .quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON |
++ SDHCI_QUIRK2_BROKEN_DDR50,
+ .allow_runtime_pm = true,
+ .own_cd_for_runtime_pm = true,
+ };
+diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
+index 22d91ec..10bd57d 100644
+--- a/drivers/mmc/host/sdhci.c
++++ b/drivers/mmc/host/sdhci.c
+@@ -2972,7 +2972,8 @@ int sdhci_add_host(struct sdhci_host *host)
+ else if (caps[1] & SDHCI_SUPPORT_SDR50)
+ mmc->caps |= MMC_CAP_UHS_SDR50;
+
+- if (caps[1] & SDHCI_SUPPORT_DDR50)
++ if ((caps[1] & SDHCI_SUPPORT_DDR50) &&
++ !(host->quirks2 & SDHCI_QUIRK2_BROKEN_DDR50))
+ mmc->caps |= MMC_CAP_UHS_DDR50;
+
+ /* Does the host need tuning for SDR50? */
+diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h
+index ba35bdb..7c9d2d1 100644
+--- a/include/linux/mmc/sdhci.h
++++ b/include/linux/mmc/sdhci.h
+@@ -96,6 +96,9 @@ struct sdhci_host {
+ #define SDHCI_QUIRK2_NO_1_8_V (1<<2)
+ #define SDHCI_QUIRK2_PRESET_VALUE_BROKEN (1<<3)
+ #define SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON (1<<4)
++/* bit 5 is used by SDHCI_QUIRK2_BROKEN_HOST_CONTROL in upstream */
++/* Controller has a broken DDR50 Time Spec */
++#define SDHCI_QUIRK2_BROKEN_DDR50 (1<<6)
+
+ int irq; /* Device IRQ */
+ void __iomem *ioaddr; /* Mapped address */
+--
+1.7.4.4
+