Re: [PATCH v2 2/9] mmc: tmio, sh_mobile_sdhi: Add support for variable input clock frequency

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Hi Wolfram,

On Fri, Apr 15, 2016 at 10:41 PM, Wolfram Sang <wsa@xxxxxxxxxxxxx> wrote:
>> > That seems like a bug in the clock driver.  If it doesn't have
>> > independent dividers for each clock client then it shouldn't allow any
>> > client to change the frequency.
>
> So, we need MSTP clocks which do not use CLK_SET_RATE_PARENT on r8a7740.
> Probably the best way is to use the "renesas,r8a7740-mstp-clocks"
> compatible entry to determine the difference? Geert?

To fix this regression in the short term, can we just enable this feature in
the sh_mobile_sdhi driver on SoCs where we know it's safe to change the clock,
i.e. on R-Car Gen2 and H3?

Thanks!

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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