Re: [PATCH v4 2/4] clk: tegra: refactor 7.1 div calculation

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On Wed, 11 Jul 2018 16:14:13 +0100
Jon Hunter <jonathanh@xxxxxxxxxx> wrote:

> On 11/07/18 12:17, Peter De Schrijver wrote:
> > On Wed, Jul 11, 2018 at 09:42:20AM +0100, Jon Hunter wrote:  
> >>
> >> On 11/07/18 09:00, Peter De Schrijver wrote:  
> >>> On Tue, Jul 10, 2018 at 05:17:05PM +0100, Jon Hunter wrote:  
> >>>>
> >>>> On 09/07/18 17:38, Aapo Vienamo wrote:  
> >>>>> From: Peter De Schrijver <pdeschrijver@xxxxxxxxxx>
> >>>>>
> >>>>> Move this to a separate file so it can be used to calculate the sdmmc
> >>>>> clock dividers.  
> >>>>
> >>>> Sorry for not commenting sooner, but what is the motivation for moving
> >>>> this to its own file? I don't see why we need to do this in order to use
> >>>> elsewhere. Furthermore, the original file is quite aptly named 'clk-divider.c'
> >>>> and now we have a div71.c which seems quite specific.  
> >>>
> >>> How else would you do it?  
> >>
> >> Keep it in the same file?
> >>  
> > 
> > That seems odd. clk-divider.c is meant to implement a clock type, not
> > utility functions we happen to need in several types.  
> 
> I see, then why not have a clk-utils.c for stuff like this. I am painting
> the bikeshed here, but div71.c seems very specific and I still don't
> understand the 7.1 bit.

While the code could work with other dividers, it was called 7.1 because
the current usecases were only on 7.1 dividers. I can submit another
version with a different filename if other changes to the series come
about or if it's seen necessary to change div-frac.c from the latest
version of the series to something else.

 -Aapo
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