[PATCH v7 5/6] ARM: Exynos: switch to using generic cpufreq driver for exynos4210/5250/5420

Thomas Abraham thomas.ab at samsung.com
Mon Jul 14 06:38:37 PDT 2014


From: Thomas Abraham <thomas.ab at samsung.com>

Remove the platform device instantiation for exynos cpufreq driver and add the
platform device for generic cpufreq drivers.

Cc: Kukjin Kim <kgene.kim at samsung.com>
Signed-off-by: Thomas Abraham <thomas.ab at samsung.com>
Acked-by: Viresh Kumar <viresh.kumar at linaro.org>
Reviewed-by: Amit Daniel Kachhap <amit.daniel at samsung.com>
Tested-by: Arjun K.V <arjun.kv at samsung.com>
---
 arch/arm/mach-exynos/exynos.c |   15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index 2a43a17..5028b35 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -183,7 +183,20 @@ void __init exynos_cpuidle_init(void)
 
 void __init exynos_cpufreq_init(void)
 {
-	platform_device_register_simple("exynos-cpufreq", -1, NULL, 0);
+	char *dev_name;
+
+	if (of_machine_is_compatible("samsung,exynos5440"))
+		return;
+	if (of_machine_is_compatible("samsung,exynos5420"))
+		dev_name = "arm-bL-cpufreq-dt";
+	else
+		if (of_machine_is_compatible("samsung,exynos4412") ||
+			of_machine_is_compatible("samsung,exynos4212"))
+			dev_name = "exynos-cpufreq";
+		else
+			dev_name = "cpufreq-cpu0";
+
+	platform_device_register_simple(dev_name, -1, NULL, 0);
 }
 
 void __iomem *sysram_base_addr;
-- 
1.7.9.5




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