[PATCH v2 3/4] cpufreq: tegra: Re-model Tegra cpufreq driver
Bill Huang
bilhuang at nvidia.com
Fri Sep 13 22:00:42 EDT 2013
On Sat, 2013-09-14 at 06:26 +0800, Stephen Warren wrote:
> On 09/12/2013 05:24 AM, Bill Huang wrote:
> > Re-model Tegra cpufreq driver to support all Tegra series of SoCs.
> >
> > * Make tegra-cpufreq.c a generic Tegra cpufreq driver.
> > * Move Tegra20 specific codes into tegra20-cpufreq.c.
> > * Bind Tegra cpufreq dirver with a fake device so defer probe would work
> > when we're going to get regulator in the driver to support voltage
> > scaling (DVFS).
>
> > diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
>
> > @@ -232,6 +232,12 @@ config ARM_TEGRA_CPUFREQ
> > bool "TEGRA CPUFreq support"
> > depends on ARCH_TEGRA
> > select CPU_FREQ_TABLE
> > +
> > +config ARM_TEGRA20_CPUFREQ
> > + bool "NVIDIA TEGRA20"
> > + depends on ARM_TEGRA_CPUFREQ && ARCH_TEGRA_2x_SOC
> > default y
> > help
> > - This adds the CPUFreq driver support for TEGRA SOCs.
> > + This adds the CPUFreq driver for NVIDIA TEGRA20 SoC.
> > +
> > + If in doubt, say N.
>
> This patch removes the following from "config ARM_TEGRA_CPUFREQ":
>
> default y
> help
> This adds the CPUFreq driver support for TEGRA SOCs.
>
> I think that option should be left unchanged, such that this patch
> *just* adds the new option without changing the existing one. If you do
> that, then you can completely drop patch 4/4.
Thanks, I'll change and rebase in next version after Viresh's cleanup
patch series is merged.
>
> Other than that, this series looks fine.
More information about the linux-arm-kernel
mailing list