Re: [PATCH RFC/RFT 0/2] Enable 64-bit polling mode for R-Car Gen3 and

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On Mon, Jun 30, 2025 at 09:13:09AM +0100, Biju Das wrote:
> As per the RZ/{G2L,G3E} HW manual SD_BUF0 can be accessed by 16/32/64
> bits. Most of the data transfer in SD/SDIO/eMMC mode is more than 8 bytes.
> During testing it is found that, if the DMA buffer is not aligned to 128
> bit it fallback to PIO mode. In such cases, 64-bit access is much more
> efficient than the current 16-bit.

Cool, I had this somewhere on my todo-list as well. I want to test but
it will probably be only on Friday. But looking forward to it!

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