[PATCH 1/2] ARM: dts: r8a7794: add CAN clocks to device tree

[horms@verge.net.au (Simon Horman)]

On Tue, Mar 15, 2016 at 08:28:42AM +0100, Geert Uytterhoeven wrote:
> Hi Simon,
> 
> On Tue, Mar 15, 2016 at 12:56 AM, Simon Horman <horms@verge.net.au> wrote:
> > On Mon, Mar 14, 2016 at 10:23:01AM +0100, Geert Uytterhoeven wrote:
> >> On Mon, Mar 14, 2016 at 3:29 AM, Simon Horman
> >> <horms+renesas@verge.net.au> wrote:
> >> > --- a/arch/arm/boot/dts/r8a7794.dtsi
> >> > +++ b/arch/arm/boot/dts/r8a7794.dtsi
> >> > @@ -844,6 +844,24 @@
> >> >                         clock-output-names = "extal";
> >> >                 };
> >> >
> >> > +               /* External USB clock - can be overridden by the board */
> >> > +               usb_extal_clk: usb_extal_clk {
> >> > +                       compatible = "fixed-clock";
> >> > +                       #clock-cells = <0>;
> >> > +                       clock-frequency = <48000000>;
> >> > +                       clock-output-names = "usb_extal";
> >>
> >> "clock-output-names" is optional these days, so please drop it.
> >
> > Thanks, I will drop it from this patch.
> >
> > Do we have a plan to remove it from existing nodes?
> > Should I do a sweep of the Renesas DTS files?
> 
> That's up to you.
> 
> It's more churn, but from the other side, it avoids people copying deprecated
> practices.

Thanks, I'll tentatively add it to my todo list.
I think its worth avoiding the copies.

> > And in particular, should it be removed from cpg_clocks ?
> 
> It's not optional for clocks with multiple outputs, cfr. the issues we
> had with cpg_clocks on H3, before the advent of the CPG/MSSR driver.

Understood.