1 files changed, 20 insertions, 1 deletions

diff --git a/drivers/mmc/host/dw_mmc-pltfm.c b/drivers/mmc/host/dw_mmc-pltfm.c
index 54e6f061daa4..ee525565aa77 100644
--- a/drivers/mmc/host/dw_mmc-pltfm.c
+++ b/drivers/mmc/host/dw_mmc-pltfm.c
@@ -24,6 +24,15 @@
 
 #include "dw_mmc.h"
 
+static void dw_mci_rockchip_prepare_command(struct dw_mci *host, u32 *cmdr)
+{
+        *cmdr |= SDMMC_CMD_USE_HOLD_REG;
+}
+
+static const struct dw_mci_drv_data rockchip_drv_data = {
+        .prepare_command        = dw_mci_rockchip_prepare_command,
+};
+
 int dw_mci_pltfm_register(struct platform_device *pdev,
                           const struct dw_mci_drv_data *drv_data)
 {
@@ -87,13 +96,23 @@ EXPORT_SYMBOL_GPL(dw_mci_pltfm_pmops);
 
 static const struct of_device_id dw_mci_pltfm_match[] = {
         { .compatible = "snps,dw-mshc", },
+        { .compatible = "rockchip,rk2928-dw-mshc",
+                .data = &rockchip_drv_data },
         {},
 };
 MODULE_DEVICE_TABLE(of, dw_mci_pltfm_match);
 
 static int dw_mci_pltfm_probe(struct platform_device *pdev)
 {
-        return dw_mci_pltfm_register(pdev, NULL);
+        const struct dw_mci_drv_data *drv_data = NULL;
+        const struct of_device_id *match;
+
+        if (pdev->dev.of_node) {
+                match = of_match_node(dw_mci_pltfm_match, pdev->dev.of_node);
+                drv_data = match->data;
+        }
+
+        return dw_mci_pltfm_register(pdev, drv_data);
 }
 
 int dw_mci_pltfm_remove(struct platform_device *pdev)