Re: [PATCH, RFC 02/22] cpufreq: ARM_DT_BL_CPUFREQ needs ARM_CPU_TOPOLOGY
From: Rafael J. Wysocki
Date: Tue May 07 2013 - 20:18:17 EST
On Saturday, May 04, 2013 12:09:40 PM Viresh Kumar wrote:
> On 2 May 2013 20:46, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> > The big.LITTLE cpufreq driver uses the CPU topology API, which
> > needs to be reflected in Kconfig to prevent broken configurations.
> >
> > warning: (ARM_DT_BL_CPUFREQ) selects ARM_BIG_LITTLE_CPUFREQ which
> > has unmet direct dependencies (ARCH_HAS_CPUFREQ && CPU_FREQ && ARM && ARM_CPU_TOPOLOGY)
> >
> > Cc: Rafael J. Wysocki <rjw@xxxxxxx>
> > Cc: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> > Cc: cpufreq@xxxxxxxxxxxxxxx
> > Cc: linux-pm@xxxxxxxxxxxxxxx
> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> > ---
> > drivers/cpufreq/Kconfig.arm | 1 +
> > 1 file changed, 1 insertion(+)
>
> With all the discussions we had, please see if you can replace your
> patch with this one (Attached too for applying, copy/paste in gmail
> will break it):
>
> From: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> Date: Sat, 4 May 2013 12:03:54 +0530
> Subject: [PATCH] cpufreq: ARM big LITTLE: Fix Kconfig entries
>
> This fixes usage of "depends on" and "select" options in Kconfig for ARM big
> LITTLE cpufreq driver. Otherwise we get these warnings:
>
> warning: (ARM_DT_BL_CPUFREQ) selects ARM_BIG_LITTLE_CPUFREQ which
> has unmet direct dependencies (ARCH_HAS_CPUFREQ && CPU_FREQ && ARM &&
> ARM_CPU_TOPOLOGY)
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Queued up as a fix for v3.10.
Thanks,
Rafael
> ---
> drivers/cpufreq/Kconfig.arm | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
> index 634e992..a924408 100644
> --- a/drivers/cpufreq/Kconfig.arm
> +++ b/drivers/cpufreq/Kconfig.arm
> @@ -3,17 +3,17 @@
> #
>
> config ARM_BIG_LITTLE_CPUFREQ
> - tristate
> - depends on ARM_CPU_TOPOLOGY
> - select PM_OPP
> + tristate "Generic ARM big LITTLE CPUfreq driver"
> + depends on ARM_CPU_TOPOLOGY && PM_OPP && HAVE_CLK
> + help
> + This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
>
> config ARM_DT_BL_CPUFREQ
> - tristate "Generic ARM big LITTLE CPUfreq driver probed via DT"
> - select ARM_BIG_LITTLE_CPUFREQ
> - depends on OF && HAVE_CLK
> + tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
> + depends on ARM_BIG_LITTLE_CPUFREQ && OF
> help
> - This enables the Generic CPUfreq driver for ARM big.LITTLE platform.
> - This gets frequency tables from DT.
> + This enables probing via DT for Generic CPUfreq driver for ARM
> + big.LITTLE platform. This gets frequency tables from DT.
>
> config ARM_EXYNOS_CPUFREQ
> bool "SAMSUNG EXYNOS SoCs"
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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