mmc: sdhci-of-dwcmshc: enable host V4 support for BlueField-3 SoC

This commit enables SDHCI Host V4 support on Bluefield-3 SoC to be
consistent with the default setting in firmware(UEFI).

Reviewed-by: David Woods <davwoods@nvidia.com>
Signed-off-by: Liming Sun <limings@nvidia.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/990885f566c32ac8e6888ad6b434fb70d1a5d7af.1673460632.git.limings@nvidia.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index a7343d4..4933867 100644 (file)
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -528,6 +528,11 @@ static int dwcmshc_probe(struct platform_device *pdev)
                        goto err_clk;
        }
 
+#ifdef CONFIG_ACPI
+       if (pltfm_data == &sdhci_dwcmshc_bf3_pdata)
+               sdhci_enable_v4_mode(host);
+#endif
+
        host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY;
 
        err = sdhci_setup_host(host);