Re: [PATCH] arm: aspeed: Add clock-names property to timer node

[Daniel Lezcano]

On Tue, Jun 06, 2017 at 11:41:11AM +0200, Arnd Bergmann wrote:
> On Mon, Jun 5, 2017 at 10:59 AM, Joel Stanley <joel@xxxxxxxxx> wrote:
> > On Mon, Jun 5, 2017 at 5:18 PM, Andrew Jeffery <andrew@xxxxxxxx> wrote:
> >> The merging of a number of clocksource drivers into fttmr010 means we
> >> require clock-names to be specified in the Aspeed timer node, else the
> >> clocksource fails to probe and boot hangs.
> >
> > Arnd,
> >
> > Linus' reworked timer driver will go into 4.13.
> >
> > Can we get this patch merged into 4.12 as a fix so we don't end up
> > with a broken boot at any stage?
> 
> Hmm, can't we make the driver backward-compatible and have it fall
> back on the first clock if no clk named "PCLK" is found? Otherwise
> you still have an incompatible change in the DT binding and it will
> break if someone uses an older dtb with a newer kernel.

I would like to avoid to hack the kernel code for backward DT compatible
things.



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