Hi Phil,
On Wed, Jul 11, 2018 at 2:30 PM Phil Edworthy <phil.edworthy@xxxxxxxxxxx> wrote:
> The Renesas RZ/N1 UART is based on the Synopsys DW UART, but has additional
> registers for DMA. This patch does not address the changes required for DMA
> support, it simply adds the compatible string.
>
> Signed-off-by: Phil Edworthy <phil.edworthy@xxxxxxxxxxx>
Thanks for your patch!
What happens if someone would boot a kernel that has only this patch applied and
a DTB that already has the to-be-supported dmas properties?
> --- a/drivers/tty/serial/8250/8250_dw.c
> +++ b/drivers/tty/serial/8250/8250_dw.c
> @@ -693,6 +693,7 @@ static const struct of_device_id dw8250_of_match[] = {
> { .compatible = "snps,dw-apb-uart" },
> { .compatible = "cavium,octeon-3860-uart" },
> { .compatible = "marvell,armada-38x-uart" },
> + { .compatible = "renesas,uart-rzn1" },
renesas,rzn1-uart
> { /* Sentinel */ }
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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