Re: [PATCH v2 2/7] serial: sh-sci: consider DR (data ready) bit adequately

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On Mon, Jan 23, 2017 at 5:04 PM, Ulrich Hecht
<ulrich.hecht+renesas@xxxxxxxxx> wrote:
> To allow operation with a higher RX FIFO interrupt threshold in PIO
> mode, it is necessary to consider the DR bit ("FIFO not full, but no
> data received for 1.5 frames") as an indicator that data can be read.
> Otherwise the driver will let data rot in the FIFO until the threshold
> is reached.
>
> Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@xxxxxxxxx>

Reviewed-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
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