[PATCH v2 1/2] ARM: IMX5: cpuidle driver

Sascha Hauer s.hauer at pengutronix.de
Thu Feb 17 05:54:15 EST 2011


On Thu, Feb 17, 2011 at 09:18:11AM +0100, Yong Shen wrote:
> >
> >
> > > +     return 0;
> > > +}
> > > +
> > > +late_initcall(imx_cpuidle_init);
> >
> > We have a late_initcall here which needs to be protected from other
> > cpus. On the other hand we depend on board code calling
> > imx_cpuidle_board_params() before this initcall. I think the board code
> > should call a imx_cpuidle_init(struct imx_cpuidle_params
> > *cpuidle_params) instead which makes the flow of execution more clear.
> >
> > imx_cpuidle_init can not be called directly in board code, since it is too
> early to register cpuidle driver and device which depend on some other
> system resource.

I see. Maybe we should make this a platform driver then like for example
davinci does.

Sascha

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