On 2 December 2014 at 02:09, Kevin Hilman <khilman@xxxxxxxxxx> wrote: > Ulf Hansson <ulf.hansson@xxxxxxxxxx> writes: > >> It's quite common for PM domains to use PM clocks. Typically from SOC >> specific code, the per device PM clock list is created and >> pm_clk_suspend|resume() are invoked to handle clock gating/ungating. >> >> A step towards consolidation is to integrate PM clock support into >> genpd, which is what this patch does. >> >> In this initial step, the calls to the pm_clk_suspend|resume() are >> handled within genpd, but the per device PM clock list still needs to >> be created from SOC specific code. It seems reasonable to have gendp to >> handle that as well, but that left to future patches to address. >> >> It's not every users of genpd that are keen on using PM clocks, thus we >> need to provide this a configuration option for genpd. Therefore let's >> add flag field in the genpd struct to keep this information and define >> a new GENDP_FLAG_PM_CLK bit for it. >> >> Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> >> Acked-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > > Acked-by: Kevin Hilman <khilman@xxxxxxxxxx> > > Are you also planning to add a way to enable this option from DT? I am thinking of that, yes. Though I wanted the discussion around how to deal with creating the PM clock lists while using PM domains to settle first. Kind regards Uffe -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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