On Fri, Apr 25, 2014 at 9:05 AM, Laurent Pinchart
<laurent.pinchart@xxxxxxxxxxxxxxxx> wrote:
>> + scif0: serial@ffe40000 {
>> + compatible = "renesas,scif", "renesas,scif-r8a7779";
>> + reg = <0xffe40000 265>;
>> + interrupt-parent = <&gic>;
>> + interrupts = <0 88 IRQ_TYPE_LEVEL_HIGH>;
>> + clocks = <&cpg_clocks R8A7779_CLK_P>;
>> + clock-names = "sci_ick";
>
> Clock handling in the sh-sci driver should probably be improved. The driver
> currently requires an "sci_ick" interface clock and supports an optional
> "sci_fck" functional clock. In practice, as far as I can see, platforms that
> provide both sci_ick and sci_fck set the two clocks to the same source.
That's right. As a consequence, the clock's enable count is incremented
3 times:
- once for fck,
- once for ick,
- once for generic Runtime PM using the "NULL" clock.
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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