From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: [PATCH 5/6] ARM: Exynos: switch to using generic cpufreq driver for Exynos4210 Date: Fri, 03 Apr 2015 18:43:48 +0200 Message-ID: <1428079429-4252-6-git-send-email-b.zolnierkie@samsung.com> References: <'@samsung.com> <1428079429-4252-1-git-send-email-b.zolnierkie@samsung.com> Return-path: In-reply-to: <1428079429-4252-1-git-send-email-b.zolnierkie@samsung.com> Sender: linux-kernel-owner@vger.kernel.org To: Thomas Abraham , Sylwester Nawrocki , Mike Turquette , Kukjin Kim , Kukjin Kim , Viresh Kumar Cc: Tomasz Figa , Lukasz Majewski , Heiko Stuebner , Chanwoo Choi , Kevin Hilman , Javier Martinez Canillas , linux-samsung-soc@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, b.zolnierkie@samsung.com List-Id: linux-pm@vger.kernel.org From: Thomas Abraham The new CPU clock type allows the use of generic CPUfreq driver. Switch Exynos4210 to using generic cpufreq driver. Changes by Bartlomiej: - removed non-Exynos4210 support for now Cc: Tomasz Figa Cc: Kukjin Kim Cc: Javier Martinez Canillas Signed-off-by: Thomas Abraham Signed-off-by: Bartlomiej Zolnierkiewicz --- arch/arm/mach-exynos/exynos.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index bcde0dd..4e13de5 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -197,6 +197,25 @@ static void __init exynos_init_irq(void) exynos_map_pmu(); } +static const struct of_device_id exynos_cpufreq_matches[] = { + { .compatible = "samsung,exynos4210", .data = "cpufreq-dt" }, + { /* 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) { /* @@ -218,7 +237,7 @@ 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); } -- 1.7.9.5