Messages in this thread Patch in this message | | | From | Bartlomiej Zolnierkiewicz <> | Subject | [PATCH v2 5/8] ARM: Exynos: use generic cpufreq driver for Exynos5420 | Date | Tue, 21 Apr 2015 17:49:02 +0200 |
| |
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 */ } }; -- 1.7.9.5
| |