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

lsun100 · storulf · commit 95921151e043 · 2023-01-23T15:51:39.000+01:00
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
@@ -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);
