Re: [PATCH v1] mmc: sdhci-of-dwcmshc: fix DMA 128MB boundary

[Adrian Hunter]

On 14/01/2026 14:22, hehuan1@xxxxxxxxxxxxxxxxxx wrote:
> From: Huan He <hehuan1@xxxxxxxxxxxxxxxxxx>
> 
> This DWC MSHC has a 128MB limitation where the data buffer size and start
> address must not exceed the 128MB boundary. Registering the missing
> 'adma_write_desc' callback function.
> 
> Signed-off-by: Huan He <hehuan1@xxxxxxxxxxxxxxxxxx>

Fixes tag?

Nevertheless:

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

> ---
>  drivers/mmc/host/sdhci-of-dwcmshc.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
> index 51949cde0958..cabb709a8108 100644
> --- a/drivers/mmc/host/sdhci-of-dwcmshc.c
> +++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
> @@ -1726,6 +1726,7 @@ static const struct sdhci_ops sdhci_dwcmshc_eic7700_ops = {
>  	.set_uhs_signaling = sdhci_eic7700_set_uhs_wrapper,
>  	.set_power = sdhci_set_power_and_bus_voltage,
>  	.irq = dwcmshc_cqe_irq_handler,
> +	.adma_write_desc = dwcmshc_adma_write_desc,
>  	.platform_execute_tuning = sdhci_eic7700_executing_tuning,
>  };
>