Re: [PATCH v9 4/6] ARM: Exynos: switch to using generic cpufreq driver for Exynos4210/5250/5420

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On 07/30/14 17:07, Thomas Abraham wrote:
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<t.figa@xxxxxxxxxxx>
Cc: Kukjin Kim<kgene.kim@xxxxxxxxxxx>

Looks good to me,

Acked-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx>

BTW, who will handle this series? I hope see this series in 3.17.

- Kukjin

Signed-off-by: Thomas Abraham<thomas.ab@xxxxxxxxxxx>
Reviewed-by: Tomasz Figa<t.figa@xxxxxxxxxxx>
---
  arch/arm/mach-exynos/exynos.c |   24 +++++++++++++++++++++++-
  1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index 493dbc2..e61bb36 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -281,6 +281,28 @@ 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;
@@ -320,7 +342,7 @@ 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);
  }

--
Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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