Re: [PATCH v2 3/9] clocksource/cadence_ttc: Store timer frequency indriver data

From: SÃren Brinkmann
Date: Wed Dec 18 2013 - 11:48:16 EST


Hi Daniel,

On Wed, Dec 18, 2013 at 03:53:51PM +0100, Daniel Lezcano wrote:
> On 12/17/2013 08:21 PM, SÃren Brinkmann wrote:
> >Hi Daniel,
> >
> >On Tue, Nov 26, 2013 at 05:04:50PM -0800, Soren Brinkmann wrote:
> >>It is not allowed to call clk_get_rate() from interrupt context. To
> >>avoid such calls the timer input frequency is stored in the driver's
> >>data struct which makes it accessible to the driver in any context.
> >>
> >>Signed-off-by: Soren Brinkmann <soren.brinkmann@xxxxxxxxxx>
> >>Acked-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
> >
> >I doubt that we'll resolve all issues with this series before the
> >holidays or even the next merge window. Could you take this patch into
> >your tree for 3.14? It is not directly related to the cpufreq work and
> >fixes an actual issue that triggers a kernel WARN under some condition
> >(I missed preserving the details and the trace). That would take the
> >easy stuff out of the way and we can focus on the more controversial
> >changes.
>
> You are asking to take it for 3.14 but shouldn't it go as a 3.13 fix ?

That's also an option. As I remember, the patch fixes a kernel WARN. The
system still seemed operational though. Up to you whether this is
considered severe enough for the 3.13 series. I'm happy either way.

SÃren


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