diff options
Diffstat (limited to 'drivers/mmc/host/dw_mmc-pltfm.c')
| -rw-r--r-- | drivers/mmc/host/dw_mmc-pltfm.c | 21 |
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) |