Re: [v2 PATCH 2/2] spi: sh-msiof: Use DMA if possible

[Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>]

Hi Hoan-san,

On Fri, Jan 18, 2019 at 10:30 AM Nguyen An Hoan <na-hoan@xxxxxxxxxxx> wrote:
> Currently, this driver only supports feature for DMA 32-bits.
> In this case, only if the data length is divisible by 4 to use
> DMA, otherwise PIO will be used. This patch will suggest use
> the DMA 32-bits with 4bytes of words, then the remaining data
> will be transmitted by PIO mode.
>
> Signed-off-by: Hoan Nguyen An <na-hoan@xxxxxxxxxxx>

Thanks for the update!

DMA is now used for the first part, and PIO for the remainder.

Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Tested-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds