1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 0955777b6c7e..fdc612120362 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -610,6 +610,18 @@ static const struct sdhci_pci_fixes sdhci_via = {
         .probe          = via_probe,
 };
 
+static int rtsx_probe_slot(struct sdhci_pci_slot *slot)
+{
+        slot->host->mmc->caps2 |= MMC_CAP2_HS200;
+        return 0;
+}
+
+static const struct sdhci_pci_fixes sdhci_rtsx = {
+        .quirks2        = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+                        SDHCI_QUIRK2_BROKEN_DDR50,
+        .probe_slot     = rtsx_probe_slot,
+};
+
 static const struct pci_device_id pci_ids[] = {
         {
                 .vendor         = PCI_VENDOR_ID_RICOH,
@@ -732,6 +744,14 @@ static const struct pci_device_id pci_ids[] = {
         },
 
         {
+                .vendor         = PCI_VENDOR_ID_REALTEK,
+                .device         = 0x5250,
+                .subvendor      = PCI_ANY_ID,
+                .subdevice      = PCI_ANY_ID,
+                .driver_data    = (kernel_ulong_t)&sdhci_rtsx,
+        },
+
+        {
                 .vendor         = PCI_VENDOR_ID_INTEL,
                 .device         = PCI_DEVICE_ID_INTEL_MRST_SD0,
                 .subvendor      = PCI_ANY_ID,