| Message ID | 1429622278-12216-6-git-send-email-b.zolnierkie@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Bartlomiej, > From: Thomas Abraham <thomas.ab@samsung.com> > > The new CPU clock type allows the use of generic arm_big_little_dt > cpufreq driver for Exynos5420. > > Changes by Bartlomiej: > - split Exynos5420 support from the original patch > - disable cpufreq if big.LITTLE switcher support is enabled > > Cc: Tomasz Figa <tomasz.figa@gmail.com> > Cc: Kukjin Kim <kgene.kim@samsung.com> > Cc: Javier Martinez Canillas <javier.martinez@collabora.co.uk> > Signed-off-by: Thomas Abraham <thomas.ab@samsung.com> > Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> > --- > arch/arm/mach-exynos/exynos.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/arch/arm/mach-exynos/exynos.c > b/arch/arm/mach-exynos/exynos.c index 4b03a32..11ac7fb 100644 > --- a/arch/arm/mach-exynos/exynos.c > +++ b/arch/arm/mach-exynos/exynos.c > @@ -207,6 +207,13 @@ struct cpufreq_dt_platform_data cpufreq_dt_pd = { > static const struct of_device_id exynos_cpufreq_matches[] = { > { .compatible = "samsung,exynos4210", .data = "cpufreq-dt" }, > { .compatible = "samsung,exynos5250", .data = "cpufreq-dt" }, > +/* > + * FIXME: When big.LITTLE switcher is enabled system lockups during > + * ondemand governor stress testing (observed on ODROID-XU3 board). > + */ > +#ifndef CONFIG_BL_SWITCHER > + { .compatible = "samsung,exynos5420", .data = > "arm-bL-cpufreq-dt" }, +#endif > { /* sentinel */ } > }; > Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index 4b03a32..11ac7fb 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -207,6 +207,13 @@ struct cpufreq_dt_platform_data cpufreq_dt_pd = { static const struct of_device_id exynos_cpufreq_matches[] = { { .compatible = "samsung,exynos4210", .data = "cpufreq-dt" }, { .compatible = "samsung,exynos5250", .data = "cpufreq-dt" }, +/* + * FIXME: When big.LITTLE switcher is enabled system lockups during + * ondemand governor stress testing (observed on ODROID-XU3 board). + */ +#ifndef CONFIG_BL_SWITCHER + { .compatible = "samsung,exynos5420", .data = "arm-bL-cpufreq-dt" }, +#endif { /* sentinel */ } };