[PATCH v1 1/1] mmc: sdhci-of-dwcmshc: enable host V4 support for BlueField-3 SoC

From: Liming Sun
Date: Wed Jan 11 2023 - 13:15:37 EST


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@xxxxxxxxxx>
Signed-off-by: Liming Sun <limings@xxxxxxxxxx>
---
drivers/mmc/host/sdhci-of-dwcmshc.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index a7343d4bc50e..49338670c89f 100644
--- 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);
--
2.30.1