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-rw-r--r--drivers/mmc/host/sdhci-pci.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index ec4b81dd493f..55746bac2f44 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -145,6 +145,29 @@ static const struct sdhci_pci_fixes sdhci_cafe = {
SDHCI_QUIRK_BROKEN_TIMEOUT_VAL,
};
+/*
+ * ADMA operation is disabled for Moorestown platform due to
+ * hardware bugs.
+ */
+static int mrst_hc1_probe(struct sdhci_pci_chip *chip)
+{
+ /*
+ * slots number is fixed here for MRST as SDIO3 is never used and has
+ * hardware bugs.
+ */
+ chip->num_slots = 1;
+ return 0;
+}
+
+static const struct sdhci_pci_fixes sdhci_intel_mrst_hc0 = {
+ .quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT,
+};
+
+static const struct sdhci_pci_fixes sdhci_intel_mrst_hc1 = {
+ .quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT,
+ .probe = mrst_hc1_probe,
+};
+
static const struct sdhci_pci_fixes sdhci_intel_mfd_sd = {
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
};
@@ -504,6 +527,22 @@ static const struct pci_device_id pci_ids[] __devinitdata = {
{
.vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_MRST_SD0,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc0,
+ },
+
+ {
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_MRST_SD1,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1,
+ },
+
+ {
+ .vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_MFD_SD,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
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