Re: [PATCH V6 06/10] soc: tegra: pmc: Wait for powergate state to change

[Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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On Fri, Feb 26, 2016 at 03:48:40PM +0000, Jon Hunter wrote:
> Currently, the function tegra_powergate_set() simply sets the desired
> powergate state but does not wait for the state to change. In most cases
> we should wait for the state to change before proceeding. Currently, there
> is a case for tegra114 and tegra124 devices where we do not wait when
> starting the secondary CPU as this is not necessary. However, this is only
> done at boot time and so waiting here will only have a small impact on
> boot time. Therefore, update tegra_powergate_set() to wait when setting
> the powergate.
> 
> By adding this feature, we can also eliminate the polling loop from
> tegra30_boot_secondary().
> 
> A function has been added for checking the status of the powergate and
> so update the tegra_powergate_is_powered() to use this macro as well.
> 
> Signed-off-by: Jon Hunter <jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> ---
>  arch/arm/mach-tegra/platsmp.c | 16 +++-------------
>  drivers/soc/tegra/pmc.c       |  9 ++++++++-
>  2 files changed, 11 insertions(+), 14 deletions(-)

Applied, thanks.

Thierry

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