diff options
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r-- | drivers/cpufreq/Kconfig.arm | 36 | ||||
-rw-r--r-- | drivers/cpufreq/exynos-cpufreq.c | 1 | ||||
-rw-r--r-- | drivers/cpufreq/exynos-cpufreq.h | 21 |
3 files changed, 45 insertions, 13 deletions
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index de4d5d9..0fa204b 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -17,37 +17,47 @@ config ARM_DT_BL_CPUFREQ big.LITTLE platform. This gets frequency tables from DT. config ARM_EXYNOS_CPUFREQ - bool "SAMSUNG EXYNOS SoCs" - depends on ARCH_EXYNOS + bool select CPU_FREQ_TABLE - default y - help - This adds the CPUFreq driver common part for Samsung - EXYNOS SoCs. - - If in doubt, say N. config ARM_EXYNOS4210_CPUFREQ - def_bool CPU_EXYNOS4210 + bool "SAMSUNG EXYNOS4210" + depends on CPU_EXYNOS4210 + default y + select ARM_EXYNOS_CPUFREQ help This adds the CPUFreq driver for Samsung EXYNOS4210 SoC (S5PV310 or S5PC210). + If in doubt, say N. + config ARM_EXYNOS4X12_CPUFREQ - def_bool (SOC_EXYNOS4212 || SOC_EXYNOS4412) + bool "SAMSUNG EXYNOS4x12" + depends on (SOC_EXYNOS4212 || SOC_EXYNOS4412) + default y + select ARM_EXYNOS_CPUFREQ help This adds the CPUFreq driver for Samsung EXYNOS4X12 SoC (EXYNOS4212 or EXYNOS4412). + If in doubt, say N. + config ARM_EXYNOS5250_CPUFREQ - def_bool SOC_EXYNOS5250 + bool "SAMSUNG EXYNOS5250" + depends on SOC_EXYNOS5250 + default y + select ARM_EXYNOS_CPUFREQ help This adds the CPUFreq driver for Samsung EXYNOS5250 SoC. + If in doubt, say N. + config ARM_EXYNOS5440_CPUFREQ - def_bool SOC_EXYNOS5440 + bool "SAMSUNG EXYNOS5440" + depends on SOC_EXYNOS5440 depends on HAVE_CLK && PM_OPP && OF + default y select CPU_FREQ_TABLE help This adds the CPUFreq driver for Samsung EXYNOS5440 @@ -55,6 +65,8 @@ config ARM_EXYNOS5440_CPUFREQ different than previous exynos controllers so not using the common exynos framework. + If in doubt, say N. + config ARM_HIGHBANK_CPUFREQ tristate "Calxeda Highbank-based" depends on ARCH_HIGHBANK diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c index 0d32f02..51cb116 100644 --- a/drivers/cpufreq/exynos-cpufreq.c +++ b/drivers/cpufreq/exynos-cpufreq.c @@ -332,7 +332,6 @@ err_cpufreq: regulator_put(arm_regulator); err_vdd_arm: kfree(exynos_info); - pr_debug("%s: failed initialization\n", __func__); return -EINVAL; } late_initcall(exynos_cpufreq_init); diff --git a/drivers/cpufreq/exynos-cpufreq.h b/drivers/cpufreq/exynos-cpufreq.h index 92b852e..7f25cee 100644 --- a/drivers/cpufreq/exynos-cpufreq.h +++ b/drivers/cpufreq/exynos-cpufreq.h @@ -43,6 +43,27 @@ struct exynos_dvfs_info { bool (*need_apll_change)(unsigned int, unsigned int); }; +#ifdef CONFIG_ARM_EXYNOS4210_CPUFREQ extern int exynos4210_cpufreq_init(struct exynos_dvfs_info *); +#else +static inline int exynos4210_cpufreq_init(struct exynos_dvfs_info *info) +{ + return -EOPNOTSUPP; +} +#endif +#ifdef CONFIG_ARM_EXYNOS4X12_CPUFREQ extern int exynos4x12_cpufreq_init(struct exynos_dvfs_info *); +#else +static inline int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info) +{ + return -EOPNOTSUPP; +} +#endif +#ifdef CONFIG_ARM_EXYNOS5250_CPUFREQ extern int exynos5250_cpufreq_init(struct exynos_dvfs_info *); +#else +static inline int exynos5250_cpufreq_init(struct exynos_dvfs_info *info) +{ + return -EOPNOTSUPP; +} +#endif |