Re: [PATCH v2 2/3] clk: x86: add support for Lynxpoint LPSS clocks

From: Mika Westerberg
Date: Wed Jan 23 2013 - 12:36:18 EST


On Tue, Jan 22, 2013 at 10:47:54AM -0800, Mike Turquette wrote:
> Quoting Mika Westerberg (2013-01-18 05:46:00)
> > Intel Lynxpoint Low Power Subsystem hosts peripherals like UART, I2C and
> > SPI controllers. For most of these there is a configuration register that
> > allows software to enable and disable the functional clock. Disabling the
> > clock while the peripheral is not used saves power.
> >
> > In order to take advantage of this we add a new clock gate of type
> > lpss_gate that just re-uses the ordinary clk_gate but in addition is able
> > to enumerate the base address register of the device using ACPI.
> >
> > We then create a clock tree that models the Lynxpoint LPSS clocks using
> > these gates and fixed clocks so that we can pass clock rate to the drivers
> > as well.
> >
> > Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
> > Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
> > Reviewed-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
>
> Nice to see another architecture using this framework.
>
> Acked-by: Mike Turquette <mturquette@xxxxxxxxxx>

Thanks!

How about x86 maintainers? Do you have any comments on the series?
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