[linux-sunxi] Re: [PATCH v2 01/11] clk: sunxi: Add mod0 and mmc module clock support for A80

[Maxime Ripard]

On Mon, Jan 12, 2015 at 10:39:38AM +0800, Chen-Yu Tsai wrote:
> On Thu, Jan 8, 2015 at 5:38 PM, Maxime Ripard
> <maxime.ripard at free-electrons.com> wrote:
> > On Sat, Dec 20, 2014 at 08:43:27PM +0800, Chen-Yu Tsai wrote:
> >> > That looks a lot like the A10 MMC clock. What's changing? only the
> >> > data to feed to the factors setup code?
> >>
> >> That's correct. Only the mux width in the data fed to the setup code
> >> and the lock differ.
> >>
> >> The hardware can work with the a10 mod0 code, but it won't recover from
> >> cases where someone writes to the upper bits of the mux, since it doesn't
> >> know about them.
> >
> > I'd very much prefer if we could factorise that code then.
> 
> I was hoping to not have to extend sunxi-factors-clk any more. But yes,
> I can add mux_width and mux_table fields to factors_data.

I didn't really thought of putting it into sunxi-factors, just have a
common probe for the two, with for example the code checking which
compatible is used, and put one value or another.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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