Re: [PATCH v3 0/2] Enable 64-bit polling mode for R-Car Gen3 and RZ/G2+ family

[Wolfram Sang]

> I believe some of the SoCs that do not support 64-bit accesses, do
> support 32-bit accesses. Do you think it would be worthwhile adding
> support for that, too?

We have that already? Check the context after the chunk added to
tmio_mmc_core.c:

        if (host->pdata->flags & TMIO_MMC_32BIT_DATA_PORT) {
                u32 data = 0;
                u32 *buf32 = (u32 *)buf;
	...

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