[PATCH v2 0/3] clock driver for sunxi

Mike Turquette mturquette at linaro.org
Tue Mar 26 21:55:24 EDT 2013


Quoting Maxime Ripard (2013-03-26 02:20:21)
> Hi Mike,
> 
> Le 22/03/2013 17:40, Mike Turquette a écrit :
> > Quoting Maxime Ripard (2013-03-22 03:22:25)
> >> Hi Mike,
> >>
> >> Le 21/03/2013 22:54, Mike Turquette a écrit :
> >>> Quoting Emilio López (2013-02-25 06:44:25)
> >>>> Hello everyone,
> >>>>
> >>>> This patchset adds basic clock support for sunxi devices. Currently, it
> >>>> implements support for the two oscillators, the main PLL, the CPU mux,
> >>>> its three divisor clocks and APB1. With this in place, it is possible to
> >>>> write a cpufreq driver and have it work, and with a little more code,
> >>>> represent the UART clocks correctly (I will be sending a separate
> >>>> patchset for this).
> >>>>
> >>>> I have tested this driver successfully on a Cubieboard (A10, sun4i)
> >>>> using the cpufreq driver from the linux-sunxi tree after minor
> >>>> modifications (the clock names are not the same).
> >>>>
> >>>> Any feedback will be highly appreciated
> >>>>
> >>>
> >>> Emilio,
> >>>
> >>> This is a nice series.  I appreciate the amount of comments in the code,
> >>> the kerneldoc and also the added sunxi clock documentation.
> >>>
> >>> Concerning the discussion from the v1 series, I prefer for the struct
> >>> clk instances in the tree to match 1-to-1 with hardware clocks.  As the
> >>> number of clocks in a system scales into the hundreds there are
> >>> certainly advantages to having fewer clocks in the hierarchy, not the
> >>> least of which is more easily associating these objects with hardware
> >>> clocks during a deep debug session.
> >>>
> >>> That can be changed at a later time if you wish.  Do you want me to take
> >>> the series into clk-next or do you just want my ack?
> >>
> >> Thanks for your feedback!
> >>
> >> Unless you have some objection, I was planning to merge it through my
> >> tree, with your Acked-by, of course.
> >>
> > 
> > Acked-by: Mike Turquette <mturquette at linaro.org>
> 
> Arnd would prefer to get this serie going through your tree, could you
> merge the patches 1/3 and 3/3 with my Acked-by?
> 

Makes sense, as this is how we have merged other platform's DT/CCF
support recently.  Patches #1 & #3 are in clk-next.

Regards,
Mike

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



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