[alsa-devel] [RFC PATCH 04/11] dma: amba-pl08x: Add support for PL080S variant

Linus Walleij linus.walleij at linaro.org
Mon Jun 17 15:39:34 CEST 2013


On Sun, Jun 16, 2013 at 10:54 PM, Tomasz Figa <tomasz.figa at gmail.com> wrote:

> PL080S is a modified version of PL080 that can be found on Samsung SoCs,
> such as S3C6400 and S3C6410.
>
> It has different offset of CONFIG register, separate CONTROL1 register
> that holds transfer size and larger maximum transfer size.
>
> Signed-off-by: Tomasz Figa <tomasz.figa at gmail.com>

Acked-by: Linus Walleij <linus.walleij at linaro.org>

(I would have done some smallish things differently but it
is only a matter of taste.)

>  static struct amba_id pl08x_ids[] = {
> +       /* Samsung PL080S variant */
> +       {
> +               .id     = 0x0a141080,
> +               .mask   = 0xffffffff,
> +               .data   = &vendor_pl080s,
> +       },

Interesting that Samsung claim to be vendor 0x41
(ARM). Well ARM never made revision no 0x0a so
this works.

Yours,
Linus Walleij


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