diff options
Diffstat (limited to 'target/linux/omap/patches-3.12/804-ARM_OMAP3plus_use_cpu0-cpufreq_driver_in_device_tree_supported_boot.patch')
| -rw-r--r-- | target/linux/omap/patches-3.12/804-ARM_OMAP3plus_use_cpu0-cpufreq_driver_in_device_tree_supported_boot.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/omap/patches-3.12/804-ARM_OMAP3plus_use_cpu0-cpufreq_driver_in_device_tree_supported_boot.patch b/target/linux/omap/patches-3.12/804-ARM_OMAP3plus_use_cpu0-cpufreq_driver_in_device_tree_supported_boot.patch new file mode 100644 index 0000000000..600fd1a174 --- /dev/null +++ b/target/linux/omap/patches-3.12/804-ARM_OMAP3plus_use_cpu0-cpufreq_driver_in_device_tree_supported_boot.patch @@ -0,0 +1,50 @@ +From 60c5fc86d01154e2a005bf701f495426ebc81f73 Mon Sep 17 00:00:00 2001 +From: Nishanth Menon <nm@ti.com> +Date: Wed, 16 Oct 2013 15:39:03 +0000 +Subject: ARM: OMAP3+: use cpu0-cpufreq driver in device tree supported boot + +With OMAP3+ and AM33xx supported SoC having defined CPU device tree +entries with operating-points and clock nodes defined, we can now use +the SoC generic cpufreq-cpu0 driver by registering appropriate device. + +Cc: Benoit Cousson <bcousson@baylibre.com> +Cc: Kevin Hilman <khilman@deeprootsystems.com> +Cc: Paul Walmsley <paul@pwsan.com> +Cc: Tony Lindgren <tony@atomide.com> +Signed-off-by: Nishanth Menon <nm@ti.com> +Signed-off-by: Tony Lindgren <tony@atomide.com> +--- +diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c +index e742118..360b2da 100644 +--- a/arch/arm/mach-omap2/pm.c ++++ b/arch/arm/mach-omap2/pm.c +@@ -266,7 +266,12 @@ static void __init omap4_init_voltages(void) + + static inline void omap_init_cpufreq(void) + { +- struct platform_device_info devinfo = { .name = "omap-cpufreq", }; ++ struct platform_device_info devinfo = { }; ++ ++ if (!of_have_populated_dt()) ++ devinfo.name = "omap-cpufreq"; ++ else ++ devinfo.name = "cpufreq-cpu0"; + platform_device_register_full(&devinfo); + } + +@@ -300,10 +305,11 @@ int __init omap2_common_pm_late_init(void) + /* Smartreflex device init */ + omap_devinit_smartreflex(); + +- /* cpufreq dummy device instantiation */ +- omap_init_cpufreq(); + } + ++ /* cpufreq dummy device instantiation */ ++ omap_init_cpufreq(); ++ + #ifdef CONFIG_SUSPEND + suspend_set_ops(&omap_pm_ops); + #endif +-- +cgit v0.9.2 |