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

From: Adrian Hunter
Date: Fri Jan 13 2023 - 06:47:35 EST


On 11/01/23 20:14, Liming Sun wrote:
> 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>

Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>

> ---
> 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);