The new CPU clock type allows the use of generic CPUfreq drivers. So for Exynos4210/5250, switch to using generic cpufreq driver. For Exynos5420, which did not have CPUfreq driver support, enable the use of generic CPUfreq driver.
Suggested-by: Tomasz Figa <tomasz.f...@gmail.com> Cc: Kukjin Kim <kgene....@samsung.com> Signed-off-by: Thomas Abraham <thomas...@samsung.com> Reviewed-by: Tomasz Figa <tomasz.f...@gmail.com> Tested-by: Javier Martinez Canillas <javier.marti...@collabora.co.uk> Tested-by: Chander Kashyap <k.chan...@samsung.com> --- arch/arm/mach-exynos/exynos.c | 24 +++++++++++++++++++++++- 1 files changed, 23 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index b89e5f3..c3b6b5d 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -280,6 +280,28 @@ static void __init exynos_init_irq(void) exynos_map_pmu(); } +static const struct of_device_id exynos_cpufreq_matches[] = { + { .compatible = "samsung,exynos5420", .data = "arm-bL-cpufreq-dt" }, + { .compatible = "samsung,exynos5250", .data = "cpufreq-cpu0" }, + { .compatible = "samsung,exynos4210", .data = "cpufreq-cpu0" }, + { .compatible = "samsung,exynos5440", .data = "exynos5440-cpufreq" }, + { /* sentinel */ } +}; + +static void __init exynos_cpufreq_init(void) +{ + struct device_node *root = of_find_node_by_path("/"); + const struct of_device_id *match; + + match = of_match_node(exynos_cpufreq_matches, root); + if (!match) { + platform_device_register_simple("exynos-cpufreq", -1, NULL, 0); + return; + } + + platform_device_register_simple(match->data, -1, NULL, 0); +} + static void __init exynos_dt_machine_init(void) { struct device_node *i2c_np; @@ -319,7 +341,7 @@ static void __init exynos_dt_machine_init(void) of_machine_is_compatible("samsung,exynos5250")) platform_device_register(&exynos_cpuidle); - platform_device_register_simple("exynos-cpufreq", -1, NULL, 0); + exynos_cpufreq_init(); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } -- 1.6.6.rc2 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html