Re: [PATCH v4 4/8] ARM: Exynos: use generic cpufreq driver for Exynos5420

[Krzysztof Kozlowski]

On 08.12.2015 03:18, Bartlomiej Zolnierkiewicz wrote:
> From: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
> 
> The new CPU clock type allows the use of cpufreq-dt driver
> for Exynos5420.
> 
> Changes by Bartlomiej:
> - split Exynos5420 support from the original patch
> - disable cpufreq if big.LITTLE switcher support is enabled
> - switch to using cpufreq-dt driver
> 
> Cc: Tomasz Figa <tomasz.figa@xxxxxxxxx>
> Cc: Kukjin Kim <kgene.kim@xxxxxxxxxxx>
> Cc: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
> Signed-off-by: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
> ---
>  arch/arm/mach-exynos/exynos.c | 3 +++
>  1 file changed, 3 insertions(+)

I think this is actually now your patch, not Thomas any more. :)

> 
> diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
> index 1c47aee..7a89c9d 100644
> --- a/arch/arm/mach-exynos/exynos.c
> +++ b/arch/arm/mach-exynos/exynos.c
> @@ -230,6 +230,9 @@ static const struct of_device_id exynos_cpufreq_matches[] = {
>  	{ .compatible = "samsung,exynos4212", .data = "cpufreq-dt" },
>  	{ .compatible = "samsung,exynos4412", .data = "cpufreq-dt" },
>  	{ .compatible = "samsung,exynos5250", .data = "cpufreq-dt" },
> +#ifndef CONFIG_BL_SWITCHER
> +	{ .compatible = "samsung,exynos5420", .data = "cpufreq-dt" },
> +#endif

Why not on BL_SWITCHER? Shouldn't be enough to disable ARM_DT_BL_CPUFREQ?

Best regards,
Krzysztof

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