Re: [PATCH v2 7/7] cpufreq: exynos: remove all exynos specific cpufreq driver support

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Hi Lukasz,

On Mon, Jan 20, 2014 at 1:38 PM, Lukasz Majewski <l.majewski@xxxxxxxxxxx> wrote:
> Hi Thomas,
>
>> From: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
>>
>> Exynos4210, Exynos4x12 and Exynos5250 based platforms have switched
>> over to use cpufreq-cpu0 driver for cpufreq functionality. So the
>> Exynos specific cpufreq drivers for these platforms can be removed.
>>
>> Cc: Kukjin Kim <kgene.kim@xxxxxxxxxxx>
>> Cc: Jaecheol Lee <jc.lee@xxxxxxxxxxx>
>> Signed-off-by: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
>> ---
>>  drivers/cpufreq/Kconfig.arm          |   36 ----
>>  drivers/cpufreq/Makefile             |    4 -
>>  drivers/cpufreq/exynos-cpufreq.c     |  292
>> ----------------------------------
>> drivers/cpufreq/exynos-cpufreq.h     |   91 -----------
>> drivers/cpufreq/exynos4210-cpufreq.c |  157 ------------------
>> drivers/cpufreq/exynos4x12-cpufreq.c |  211 ------------------------
>> drivers/cpufreq/exynos5250-cpufreq.c |  183 --------------------- 7
>> files changed, 0 insertions(+), 974 deletions(-) delete mode 100644
>> drivers/cpufreq/exynos-cpufreq.c delete mode 100644
>> drivers/cpufreq/exynos-cpufreq.h delete mode 100644
>> drivers/cpufreq/exynos4210-cpufreq.c delete mode 100644
>> drivers/cpufreq/exynos4x12-cpufreq.c delete mode 100644
>> drivers/cpufreq/exynos5250-cpufreq.c
>>
>> diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
>> index 3129749..704656d 100644
>> --- a/drivers/cpufreq/Kconfig.arm
>> +++ b/drivers/cpufreq/Kconfig.arm
>> @@ -16,42 +16,6 @@ config ARM_DT_BL_CPUFREQ
>>         This enables probing via DT for Generic CPUfreq driver for
>> ARM big.LITTLE platform. This gets frequency tables from DT.
>>
>> -config ARM_EXYNOS_CPUFREQ
>> -     bool
>> -
>> -config ARM_EXYNOS4210_CPUFREQ
>> -     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
>> -     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
>> -     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
>>       bool "SAMSUNG EXYNOS5440"
>>       depends on SOC_EXYNOS5440
>> diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
>> index 7494565..3abfe05 100644
>> --- a/drivers/cpufreq/Makefile
>> +++ b/drivers/cpufreq/Makefile
>> @@ -49,10 +49,6 @@ obj-$(CONFIG_ARM_DT_BL_CPUFREQ)            +=
>> arm_big_little_dt.o
>>  obj-$(CONFIG_ARCH_DAVINCI_DA850)     += davinci-cpufreq.o
>>  obj-$(CONFIG_UX500_SOC_DB8500)               += dbx500-cpufreq.o
>> -obj-$(CONFIG_ARM_EXYNOS_CPUFREQ)     += exynos-cpufreq.o
>> -obj-$(CONFIG_ARM_EXYNOS4210_CPUFREQ) += exynos4210-cpufreq.o
>> -obj-$(CONFIG_ARM_EXYNOS4X12_CPUFREQ) += exynos4x12-cpufreq.o
>> -obj-$(CONFIG_ARM_EXYNOS5250_CPUFREQ) += exynos5250-cpufreq.o
>>  obj-$(CONFIG_ARM_EXYNOS5440_CPUFREQ) += exynos5440-cpufreq.o
>>  obj-$(CONFIG_ARM_HIGHBANK_CPUFREQ)   += highbank-cpufreq.o
>>  obj-$(CONFIG_ARM_IMX6Q_CPUFREQ)              += imx6q-cpufreq.o
>> diff --git a/drivers/cpufreq/exynos-cpufreq.c
>> b/drivers/cpufreq/exynos-cpufreq.c deleted file mode 100644
>> index fcd2914..0000000
>> --- a/drivers/cpufreq/exynos-cpufreq.c
>> +++ /dev/null
>> @@ -1,292 +0,0 @@
>> -/*
>> - * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
>> - *           http://www.samsung.com
>> - *
>> - * EXYNOS - CPU frequency scaling support for EXYNOS series
>> - *
>> - * This program is free software; you can redistribute it and/or
>> modify
>> - * it under the terms of the GNU General Public License version 2 as
>> - * published by the Free Software Foundation.
>> -*/
>> -
>> -#include <linux/kernel.h>
>> -#include <linux/err.h>
>> -#include <linux/clk.h>
>> -#include <linux/io.h>
>> -#include <linux/slab.h>
>> -#include <linux/regulator/consumer.h>
>> -#include <linux/cpufreq.h>
>> -#include <linux/suspend.h>
>> -#include <linux/platform_device.h>
>> -
>> -#include <plat/cpu.h>
>> -
>> -#include "exynos-cpufreq.h"
>> -
>> -static struct exynos_dvfs_info *exynos_info;
>> -
>> -static struct regulator *arm_regulator;
>> -
>> -static unsigned int locking_frequency;
>> -static bool frequency_locked;
>> -static DEFINE_MUTEX(cpufreq_lock);
>> -
>> -static int exynos_cpufreq_get_index(unsigned int freq)
>> -{
>> -     struct cpufreq_frequency_table *freq_table =
>> exynos_info->freq_table;
>> -     int index;
>> -
>> -     for (index = 0;
>> -             freq_table[index].frequency != CPUFREQ_TABLE_END;
>> index++)
>> -             if (freq_table[index].frequency == freq)
>> -                     break;
>> -
>> -     if (freq_table[index].frequency == CPUFREQ_TABLE_END)
>> -             return -EINVAL;
>> -
>> -     return index;
>> -}
>> -
>> -static int exynos_cpufreq_scale(unsigned int target_freq)
>> -{
>> -     struct cpufreq_frequency_table *freq_table =
>> exynos_info->freq_table;
>> -     unsigned int *volt_table = exynos_info->volt_table;
>> -     struct cpufreq_policy *policy = cpufreq_cpu_get(0);
>> -     unsigned int arm_volt, safe_arm_volt = 0;
>> -     unsigned int mpll_freq_khz = exynos_info->mpll_freq_khz;
>> -     unsigned int old_freq;
>> -     int index, old_index;
>> -     int ret = 0;
>> -
>> -     old_freq = policy->cur;
>> -
>> -     /*
>> -      * The policy max have been changed so that we cannot get
>> proper
>> -      * old_index with cpufreq_frequency_table_target(). Thus,
>> ignore
>> -      * policy and get the index from the raw frequency table.
>> -      */
>> -     old_index = exynos_cpufreq_get_index(old_freq);
>> -     if (old_index < 0) {
>> -             ret = old_index;
>> -             goto out;
>> -     }
>> -
>> -     index = exynos_cpufreq_get_index(target_freq);
>> -     if (index < 0) {
>> -             ret = index;
>> -             goto out;
>> -     }
>> -
>> -     /*
>> -      * ARM clock source will be changed APLL to MPLL temporary
>> -      * To support this level, need to control regulator for
>> -      * required voltage level
>> -      */
>> -     if (exynos_info->need_apll_change != NULL) {
>> -             if (exynos_info->need_apll_change(old_index, index)
>> &&
>> -                (freq_table[index].frequency < mpll_freq_khz) &&
>> -                (freq_table[old_index].frequency < mpll_freq_khz))
>> -                     safe_arm_volt =
>> volt_table[exynos_info->pll_safe_idx];
>> -     }
>> -     arm_volt = volt_table[index];
>> -
>> -     /* When the new frequency is higher than current frequency */
>> -     if ((target_freq > old_freq) && !safe_arm_volt) {
>> -             /* Firstly, voltage up to increase frequency */
>> -             ret = regulator_set_voltage(arm_regulator, arm_volt,
>> arm_volt);
>> -             if (ret) {
>> -                     pr_err("%s: failed to set cpu voltage to
>> %d\n",
>> -                             __func__, arm_volt);
>> -                     return ret;
>> -             }
>> -     }
>> -
>> -     if (safe_arm_volt) {
>> -             ret = regulator_set_voltage(arm_regulator,
>> safe_arm_volt,
>> -                                   safe_arm_volt);
>> -             if (ret) {
>> -                     pr_err("%s: failed to set cpu voltage to
>> %d\n",
>> -                             __func__, safe_arm_volt);
>> -                     return ret;
>> -             }
>> -     }
>> -
>> -     exynos_info->set_freq(old_index, index);
>> -
>> -     /* When the new frequency is lower than current frequency */
>> -     if ((target_freq < old_freq) ||
>> -        ((target_freq > old_freq) && safe_arm_volt)) {
>> -             /* down the voltage after frequency change */
>> -             ret = regulator_set_voltage(arm_regulator, arm_volt,
>> -                             arm_volt);
>> -             if (ret) {
>> -                     pr_err("%s: failed to set cpu voltage to
>> %d\n",
>> -                             __func__, arm_volt);
>> -                     goto out;
>> -             }
>> -     }
>> -
>> -out:
>> -     cpufreq_cpu_put(policy);
>> -
>> -     return ret;
>> -}
>> -
>> -static int exynos_target(struct cpufreq_policy *policy, unsigned int
>> index) -{
>> -     struct cpufreq_frequency_table *freq_table =
>> exynos_info->freq_table;
>> -     int ret = 0;
>> -
>> -     mutex_lock(&cpufreq_lock);
>> -
>> -     if (frequency_locked)
>> -             goto out;
>> -
>> -     ret = exynos_cpufreq_scale(freq_table[index].frequency);
>> -
>> -out:
>> -     mutex_unlock(&cpufreq_lock);
>> -
>> -     return ret;
>> -}
>> -
>> -#ifdef CONFIG_PM
>> -static int exynos_cpufreq_suspend(struct cpufreq_policy *policy)
>> -{
>> -     return 0;
>> -}
>> -
>> -static int exynos_cpufreq_resume(struct cpufreq_policy *policy)
>> -{
>> -     return 0;
>> -}
>> -#endif
>> -
>> -/**
>> - * exynos_cpufreq_pm_notifier - block CPUFREQ's activities in
>> suspend-resume
>> - *                   context
>> - * @notifier
>> - * @pm_event
>> - * @v
>> - *
>> - * While frequency_locked == true, target() ignores every frequency
>> but
>> - * locking_frequency. The locking_frequency value is the initial
>> frequency,
>> - * which is set by the bootloader. In order to eliminate possible
>> - * inconsistency in clock values, we save and restore frequencies
>> during
>> - * suspend and resume and block CPUFREQ activities. Note that the
>> standard
>> - * suspend/resume cannot be used as they are too deep (syscore_ops)
>> for
>> - * regulator actions.
>> - */
>> -static int exynos_cpufreq_pm_notifier(struct notifier_block
>> *notifier,
>> -                                    unsigned long pm_event, void
>> *v) -{
>> -     int ret;
>> -
>> -     switch (pm_event) {
>> -     case PM_SUSPEND_PREPARE:
>> -             mutex_lock(&cpufreq_lock);
>> -             frequency_locked = true;
>> -             mutex_unlock(&cpufreq_lock);
>> -
>> -             ret = exynos_cpufreq_scale(locking_frequency);
>> -             if (ret < 0)
>> -                     return NOTIFY_BAD;
>> -
>> -             break;
>> -
>> -     case PM_POST_SUSPEND:
>> -             mutex_lock(&cpufreq_lock);
>> -             frequency_locked = false;
>> -             mutex_unlock(&cpufreq_lock);
>> -             break;
>> -     }
>> -
>> -     return NOTIFY_OK;
>> -}
>> -
>> -static struct notifier_block exynos_cpufreq_nb = {
>> -     .notifier_call = exynos_cpufreq_pm_notifier,
>> -};
>> -
>> -static int exynos_cpufreq_cpu_init(struct cpufreq_policy *policy)
>> -{
>> -     policy->clk = exynos_info->cpu_clk;
>> -     return cpufreq_generic_init(policy, exynos_info->freq_table,
>> 100000); -}
>> -
>> -static struct cpufreq_driver exynos_driver = {
>> -     .flags          = CPUFREQ_STICKY |
>> CPUFREQ_NEED_INITIAL_FREQ_CHECK,
>> -     .verify         =
>> cpufreq_generic_frequency_table_verify,
>> -     .target_index   = exynos_target,
>> -     .get            = cpufreq_generic_get,
>> -     .init           = exynos_cpufreq_cpu_init,
>> -     .exit           = cpufreq_generic_exit,
>> -     .name           = "exynos_cpufreq",
>> -     .attr           = cpufreq_generic_attr,
>> -#ifdef CONFIG_ARM_EXYNOS_CPU_FREQ_BOOST_SW
>> -     .boost_supported = true,
>> -#endif
>> -#ifdef CONFIG_PM
>> -     .suspend        = exynos_cpufreq_suspend,
>> -     .resume         = exynos_cpufreq_resume,
>> -#endif
>> -};
>> -
>> -static int exynos_cpufreq_probe(struct platform_device *pdev)
>> -{
>> -     int ret = -EINVAL;
>> -
>> -     exynos_info = kzalloc(sizeof(*exynos_info), GFP_KERNEL);
>> -     if (!exynos_info)
>> -             return -ENOMEM;
>> -
>> -     if (soc_is_exynos4210())
>> -             ret = exynos4210_cpufreq_init(exynos_info);
>> -     else if (soc_is_exynos4212() || soc_is_exynos4412())
>> -             ret = exynos4x12_cpufreq_init(exynos_info);
>> -     else if (soc_is_exynos5250())
>> -             ret = exynos5250_cpufreq_init(exynos_info);
>> -     else
>> -             return 0;
>> -
>> -     if (ret)
>> -             goto err_vdd_arm;
>> -
>> -     if (exynos_info->set_freq == NULL) {
>> -             pr_err("%s: No set_freq function (ERR)\n", __func__);
>> -             goto err_vdd_arm;
>> -     }
>> -
>> -     arm_regulator = regulator_get(NULL, "vdd_arm");
>> -     if (IS_ERR(arm_regulator)) {
>> -             pr_err("%s: failed to get resource vdd_arm\n",
>> __func__);
>> -             goto err_vdd_arm;
>> -     }
>> -
>> -     locking_frequency = clk_get_rate(exynos_info->cpu_clk) /
>> 1000; -
>> -     register_pm_notifier(&exynos_cpufreq_nb);
>> -
>> -     if (cpufreq_register_driver(&exynos_driver)) {
>> -             pr_err("%s: failed to register cpufreq driver\n",
>> __func__);
>> -             goto err_cpufreq;
>> -     }
>> -
>> -     return 0;
>> -err_cpufreq:
>> -     unregister_pm_notifier(&exynos_cpufreq_nb);
>> -
>> -     regulator_put(arm_regulator);
>> -err_vdd_arm:
>> -     kfree(exynos_info);
>> -     return -EINVAL;
>> -}
>> -
>> -static struct platform_driver exynos_cpufreq_platdrv = {
>> -     .driver = {
>> -             .name   = "exynos-cpufreq",
>> -             .owner  = THIS_MODULE,
>> -     },
>> -     .probe = exynos_cpufreq_probe,
>> -};
>> -module_platform_driver(exynos_cpufreq_platdrv);
>> diff --git a/drivers/cpufreq/exynos-cpufreq.h
>> b/drivers/cpufreq/exynos-cpufreq.h deleted file mode 100644
>> index 3ddade8..0000000
>> --- a/drivers/cpufreq/exynos-cpufreq.h
>> +++ /dev/null
>> @@ -1,91 +0,0 @@
>> -/*
>> - * Copyright (c) 2010 Samsung Electronics Co., Ltd.
>> - *           http://www.samsung.com
>> - *
>> - * EXYNOS - CPUFreq support
>> - *
>> - * This program is free software; you can redistribute it and/or
>> modify
>> - * it under the terms of the GNU General Public License version 2 as
>> - * published by the Free Software Foundation.
>> -*/
>> -
>> -enum cpufreq_level_index {
>> -     L0, L1, L2, L3, L4,
>> -     L5, L6, L7, L8, L9,
>> -     L10, L11, L12, L13, L14,
>> -     L15, L16, L17, L18, L19,
>> -     L20,
>> -};
>> -
>> -#define APLL_FREQ(f, a0, a1, a2, a3, a4, a5, a6, a7, b0, b1, b2, m,
>> p, s) \
>> -     { \
>> -             .freq = (f) * 1000, \
>> -             .clk_div_cpu0 = ((a0) | (a1) << 4 | (a2) << 8 | (a3)
>> << 12 | \
>> -                     (a4) << 16 | (a5) << 20 | (a6) << 24 | (a7)
>> << 28), \
>> -             .clk_div_cpu1 = (b0 << 0 | b1 << 4 | b2 << 8), \
>> -             .mps = ((m) << 16 | (p) << 8 | (s)), \
>> -     }
>> -
>> -struct apll_freq {
>> -     unsigned int freq;
>> -     u32 clk_div_cpu0;
>> -     u32 clk_div_cpu1;
>> -     u32 mps;
>> -};
>> -
>> -struct exynos_dvfs_info {
>> -     unsigned long   mpll_freq_khz;
>> -     unsigned int    pll_safe_idx;
>> -     struct clk      *cpu_clk;
>> -     unsigned int    *volt_table;
>> -     struct cpufreq_frequency_table  *freq_table;
>> -     void (*set_freq)(unsigned int, unsigned int);
>> -     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
>> -
>> -#include <plat/cpu.h>
>> -#include <mach/map.h>
>> -
>> -#define EXYNOS4_CLKSRC_CPU                   (S5P_VA_CMU +
>> 0x14200) -#define EXYNOS4_CLKMUX_STATCPU
>> (S5P_VA_CMU + 0x14400) -
>> -#define EXYNOS4_CLKDIV_CPU                   (S5P_VA_CMU +
>> 0x14500) -#define EXYNOS4_CLKDIV_CPU1
>> (S5P_VA_CMU + 0x14504) -#define
>> EXYNOS4_CLKDIV_STATCPU                        (S5P_VA_CMU + 0x14600)
>> -#define EXYNOS4_CLKDIV_STATCPU1                      (S5P_VA_CMU +
>> 0x14604) - -#define EXYNOS4_CLKSRC_CPU_MUXCORE_SHIFT  (16)
>> -#define EXYNOS4_CLKMUX_STATCPU_MUXCORE_MASK  (0x7 <<
>> EXYNOS4_CLKSRC_CPU_MUXCORE_SHIFT) -
>> -#define EXYNOS5_APLL_LOCK                    (S5P_VA_CMU +
>> 0x00000) -#define EXYNOS5_APLL_CON0
>> (S5P_VA_CMU + 0x00100) -#define
>> EXYNOS5_CLKMUX_STATCPU                        (S5P_VA_CMU + 0x00400)
>> -#define EXYNOS5_CLKDIV_CPU0                  (S5P_VA_CMU +
>> 0x00500) -#define EXYNOS5_CLKDIV_CPU1
>> (S5P_VA_CMU + 0x00504) -#define
>> EXYNOS5_CLKDIV_STATCPU0                       (S5P_VA_CMU + 0x00600)
>> -#define EXYNOS5_CLKDIV_STATCPU1                      (S5P_VA_CMU +
>> 0x00604) diff --git a/drivers/cpufreq/exynos4210-cpufreq.c
>> b/drivers/cpufreq/exynos4210-cpufreq.c deleted file mode 100644 index
>> 40d84c4..0000000 --- a/drivers/cpufreq/exynos4210-cpufreq.c
>> +++ /dev/null @@ -1,157 +0,0 @@
>> -/*
>> - * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
>> - *           http://www.samsung.com
>> - *
>> - * EXYNOS4210 - CPU frequency scaling support
>> - *
>> - * This program is free software; you can redistribute it and/or
>> modify
>> - * it under the terms of the GNU General Public License version 2 as
>> - * published by the Free Software Foundation.
>> -*/
>> -
>> -#include <linux/module.h>
>> -#include <linux/kernel.h>
>> -#include <linux/err.h>
>> -#include <linux/clk.h>
>> -#include <linux/io.h>
>> -#include <linux/slab.h>
>> -#include <linux/cpufreq.h>
>> -
>> -#include "exynos-cpufreq.h"
>> -
>> -static struct clk *cpu_clk;
>> -static struct clk *moutcore;
>> -static struct clk *mout_mpll;
>> -static struct clk *mout_apll;
>> -
>> -static unsigned int exynos4210_volt_table[] = {
>> -     1250000, 1150000, 1050000, 975000, 950000,
>> -};
>> -
>> -static struct cpufreq_frequency_table exynos4210_freq_table[] = {
>> -     {L0, 1200 * 1000},
>> -     {L1, 1000 * 1000},
>> -     {L2,  800 * 1000},
>> -     {L3,  500 * 1000},
>> -     {L4,  200 * 1000},
>> -     {0, CPUFREQ_TABLE_END},
>> -};
>> -
>> -static struct apll_freq apll_freq_4210[] = {
>> -     /*
>> -      * values:
>> -      * freq
>> -      * clock divider for CORE, COREM0, COREM1, PERIPH, ATB,
>> PCLK_DBG, APLL, RESERVED
>> -      * clock divider for COPY, HPM, RESERVED
>> -      * PLL M, P, S
>> -      */
>> -     APLL_FREQ(1200, 0, 3, 7, 3, 4, 1, 7, 0, 5, 0, 0, 150, 3, 1),
>> -     APLL_FREQ(1000, 0, 3, 7, 3, 4, 1, 7, 0, 4, 0, 0, 250, 6, 1),
>> -     APLL_FREQ(800,  0, 3, 7, 3, 3, 1, 7, 0, 3, 0, 0, 200, 6, 1),
>> -     APLL_FREQ(500,  0, 3, 7, 3, 3, 1, 7, 0, 3, 0, 0, 250, 6, 2),
>> -     APLL_FREQ(200,  0, 1, 3, 1, 3, 1, 0, 0, 3, 0, 0, 200, 6, 3),
>> -};
>> -
>> -static void exynos4210_set_clkdiv(unsigned int div_index)
>> -{
>> -     unsigned int tmp;
>> -
>> -     /* Change Divider - CPU0 */
>> -
>> -     tmp = apll_freq_4210[div_index].clk_div_cpu0;
>> -
>> -     __raw_writel(tmp, EXYNOS4_CLKDIV_CPU);
>> -
>> -     do {
>> -             tmp = __raw_readl(EXYNOS4_CLKDIV_STATCPU);
>> -     } while (tmp & 0x1111111);
>> -
>> -     /* Change Divider - CPU1 */
>> -
>> -     tmp = apll_freq_4210[div_index].clk_div_cpu1;
>> -
>> -     __raw_writel(tmp, EXYNOS4_CLKDIV_CPU1);
>> -
>> -     do {
>> -             tmp = __raw_readl(EXYNOS4_CLKDIV_STATCPU1);
>> -     } while (tmp & 0x11);
>> -}
>> -
>> -static void exynos4210_set_apll(unsigned int index)
>> -{
>> -     unsigned int tmp, freq = apll_freq_4210[index].freq;
>> -
>> -     /* MUX_CORE_SEL = MPLL, ARMCLK uses MPLL for lock time */
>> -     clk_set_parent(moutcore, mout_mpll);
>> -
>> -     do {
>> -             tmp = (__raw_readl(EXYNOS4_CLKMUX_STATCPU)
>> -                     >> EXYNOS4_CLKSRC_CPU_MUXCORE_SHIFT);
>> -             tmp &= 0x7;
>> -     } while (tmp != 0x2);
>> -
>> -     clk_set_rate(mout_apll, freq * 1000);
>> -
>> -     /* MUX_CORE_SEL = APLL */
>> -     clk_set_parent(moutcore, mout_apll);
>> -
>> -     do {
>> -             tmp = __raw_readl(EXYNOS4_CLKMUX_STATCPU);
>> -             tmp &= EXYNOS4_CLKMUX_STATCPU_MUXCORE_MASK;
>> -     } while (tmp != (0x1 << EXYNOS4_CLKSRC_CPU_MUXCORE_SHIFT));
>> -}
>> -
>> -static void exynos4210_set_frequency(unsigned int old_index,
>> -                                  unsigned int new_index)
>> -{
>> -     if (old_index > new_index) {
>> -             exynos4210_set_clkdiv(new_index);
>> -             exynos4210_set_apll(new_index);
>> -     } else if (old_index < new_index) {
>> -             exynos4210_set_apll(new_index);
>> -             exynos4210_set_clkdiv(new_index);
>> -     }
>> -}
>> -
>> -int exynos4210_cpufreq_init(struct exynos_dvfs_info *info)
>> -{
>> -     unsigned long rate;
>> -
>> -     cpu_clk = clk_get(NULL, "armclk");
>> -     if (IS_ERR(cpu_clk))
>> -             return PTR_ERR(cpu_clk);
>> -
>> -     moutcore = clk_get(NULL, "moutcore");
>> -     if (IS_ERR(moutcore))
>> -             goto err_moutcore;
>> -
>> -     mout_mpll = clk_get(NULL, "mout_mpll");
>> -     if (IS_ERR(mout_mpll))
>> -             goto err_mout_mpll;
>> -
>> -     rate = clk_get_rate(mout_mpll) / 1000;
>> -
>> -     mout_apll = clk_get(NULL, "mout_apll");
>> -     if (IS_ERR(mout_apll))
>> -             goto err_mout_apll;
>> -
>> -     info->mpll_freq_khz = rate;
>> -     /* 800Mhz */
>> -     info->pll_safe_idx = L2;
>> -     info->cpu_clk = cpu_clk;
>> -     info->volt_table = exynos4210_volt_table;
>> -     info->freq_table = exynos4210_freq_table;
>> -     info->set_freq = exynos4210_set_frequency;
>> -
>> -     return 0;
>> -
>> -err_mout_apll:
>> -     clk_put(mout_mpll);
>> -err_mout_mpll:
>> -     clk_put(moutcore);
>> -err_moutcore:
>> -     clk_put(cpu_clk);
>> -
>> -     pr_debug("%s: failed initialization\n", __func__);
>> -     return -EINVAL;
>> -}
>> diff --git a/drivers/cpufreq/exynos4x12-cpufreq.c
>> b/drivers/cpufreq/exynos4x12-cpufreq.c deleted file mode 100644
>> index 7c11ace..0000000
>> --- a/drivers/cpufreq/exynos4x12-cpufreq.c
>> +++ /dev/null
>> @@ -1,211 +0,0 @@
>> -/*
>> - * Copyright (c) 2010-2012 Samsung Electronics Co., Ltd.
>> - *           http://www.samsung.com
>> - *
>> - * EXYNOS4X12 - CPU frequency scaling support
>> - *
>> - * This program is free software; you can redistribute it and/or
>> modify
>> - * it under the terms of the GNU General Public License version 2 as
>> - * published by the Free Software Foundation.
>> -*/
>> -
>> -#include <linux/module.h>
>> -#include <linux/kernel.h>
>> -#include <linux/err.h>
>> -#include <linux/clk.h>
>> -#include <linux/io.h>
>> -#include <linux/slab.h>
>> -#include <linux/cpufreq.h>
>> -
>> -#include "exynos-cpufreq.h"
>> -
>> -static struct clk *cpu_clk;
>> -static struct clk *moutcore;
>> -static struct clk *mout_mpll;
>> -static struct clk *mout_apll;
>> -
>> -static unsigned int exynos4x12_volt_table[] = {
>> -     1350000, 1287500, 1250000, 1187500, 1137500, 1087500,
>> 1037500,
>> -     1000000,  987500,  975000,  950000,  925000,  900000,  900000
>> -};
>> -
>> -static struct cpufreq_frequency_table exynos4x12_freq_table[] = {
>> -     {CPUFREQ_BOOST_FREQ, 1500 * 1000},
>
> Here, you are removing BOOST support for Exynos4412, without any code,
> which brings back this functionality in the new code.

Sorry, I did not notice this new feature in here.

>
> I'd propose adding new property to cpus node and during
> operating-points parsing mark the entry at the cpufreq_frequency_table
> accordingly.

Okay, would you be adding support for this or do you want me to do this?

Thanks,
Thomas.

>
>> -     {L1, 1400 * 1000},
>> -     {L2, 1300 * 1000},
>> -     {L3, 1200 * 1000},
>> -     {L4, 1100 * 1000},
>> -     {L5, 1000 * 1000},
>> -     {L6,  900 * 1000},
>> -     {L7,  800 * 1000},
>> -     {L8,  700 * 1000},
>> -     {L9,  600 * 1000},
>> -     {L10, 500 * 1000},
>> -     {L11, 400 * 1000},
>> -     {L12, 300 * 1000},
>> -     {L13, 200 * 1000},
>> -     {0, CPUFREQ_TABLE_END},
>> -};
>> -
>> -static struct apll_freq *apll_freq_4x12;
>> -
>> -static struct apll_freq apll_freq_4212[] = {
>> -     /*
>> -      * values:
>> -      * freq
>> -      * clock divider for CORE, COREM0, COREM1, PERIPH, ATB,
>> PCLK_DBG, APLL, CORE2
>> -      * clock divider for COPY, HPM, RESERVED
>> -      * PLL M, P, S
>> -      */
>> -     APLL_FREQ(1500, 0, 3, 7, 0, 6, 1, 2, 0, 6, 2, 0, 250, 4, 0),
>> -     APLL_FREQ(1400, 0, 3, 7, 0, 6, 1, 2, 0, 6, 2, 0, 175, 3, 0),
>> -     APLL_FREQ(1300, 0, 3, 7, 0, 5, 1, 2, 0, 5, 2, 0, 325, 6, 0),
>> -     APLL_FREQ(1200, 0, 3, 7, 0, 5, 1, 2, 0, 5, 2, 0, 200, 4, 0),
>> -     APLL_FREQ(1100, 0, 3, 6, 0, 4, 1, 2, 0, 4, 2, 0, 275, 6, 0),
>> -     APLL_FREQ(1000, 0, 2, 5, 0, 4, 1, 1, 0, 4, 2, 0, 125, 3, 0),
>> -     APLL_FREQ(900,  0, 2, 5, 0, 3, 1, 1, 0, 3, 2, 0, 150, 4, 0),
>> -     APLL_FREQ(800,  0, 2, 5, 0, 3, 1, 1, 0, 3, 2, 0, 100, 3, 0),
>> -     APLL_FREQ(700,  0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 175, 3, 1),
>> -     APLL_FREQ(600,  0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 200, 4, 1),
>> -     APLL_FREQ(500,  0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 125, 3, 1),
>> -     APLL_FREQ(400,  0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 100, 3, 1),
>> -     APLL_FREQ(300,  0, 2, 4, 0, 2, 1, 1, 0, 3, 2, 0, 200, 4, 2),
>> -     APLL_FREQ(200,  0, 1, 3, 0, 1, 1, 1, 0, 3, 2, 0, 100, 3, 2),
>> -};
>> -
>> -static struct apll_freq apll_freq_4412[] = {
>> -     /*
>> -      * values:
>> -      * freq
>> -      * clock divider for CORE, COREM0, COREM1, PERIPH, ATB,
>> PCLK_DBG, APLL, CORE2
>> -      * clock divider for COPY, HPM, CORES
>> -      * PLL M, P, S
>> -      */
>> -     APLL_FREQ(1500, 0, 3, 7, 0, 6, 1, 2, 0, 6, 0, 7, 250, 4, 0),
>> -     APLL_FREQ(1400, 0, 3, 7, 0, 6, 1, 2, 0, 6, 0, 6, 175, 3, 0),
>> -     APLL_FREQ(1300, 0, 3, 7, 0, 5, 1, 2, 0, 5, 0, 6, 325, 6, 0),
>> -     APLL_FREQ(1200, 0, 3, 7, 0, 5, 1, 2, 0, 5, 0, 5, 200, 4, 0),
>> -     APLL_FREQ(1100, 0, 3, 6, 0, 4, 1, 2, 0, 4, 0, 5, 275, 6, 0),
>> -     APLL_FREQ(1000, 0, 2, 5, 0, 4, 1, 1, 0, 4, 0, 4, 125, 3, 0),
>> -     APLL_FREQ(900,  0, 2, 5, 0, 3, 1, 1, 0, 3, 0, 4, 150, 4, 0),
>> -     APLL_FREQ(800,  0, 2, 5, 0, 3, 1, 1, 0, 3, 0, 3, 100, 3, 0),
>> -     APLL_FREQ(700,  0, 2, 4, 0, 3, 1, 1, 0, 3, 0, 3, 175, 3, 1),
>> -     APLL_FREQ(600,  0, 2, 4, 0, 3, 1, 1, 0, 3, 0, 2, 200, 4, 1),
>> -     APLL_FREQ(500,  0, 2, 4, 0, 3, 1, 1, 0, 3, 0, 2, 125, 3, 1),
>> -     APLL_FREQ(400,  0, 2, 4, 0, 3, 1, 1, 0, 3, 0, 1, 100, 3, 1),
>> -     APLL_FREQ(300,  0, 2, 4, 0, 2, 1, 1, 0, 3, 0, 1, 200, 4, 2),
>> -     APLL_FREQ(200,  0, 1, 3, 0, 1, 1, 1, 0, 3, 0, 0, 100, 3, 2),
>> -};
>> -
>> -static void exynos4x12_set_clkdiv(unsigned int div_index)
>> -{
>> -     unsigned int tmp;
>> -     unsigned int stat_cpu1;
>> -
>> -     /* Change Divider - CPU0 */
>> -
>> -     tmp = apll_freq_4x12[div_index].clk_div_cpu0;
>> -
>> -     __raw_writel(tmp, EXYNOS4_CLKDIV_CPU);
>> -
>> -     while (__raw_readl(EXYNOS4_CLKDIV_STATCPU) & 0x11111111)
>> -             cpu_relax();
>> -
>> -     /* Change Divider - CPU1 */
>> -     tmp = apll_freq_4x12[div_index].clk_div_cpu1;
>> -
>> -     __raw_writel(tmp, EXYNOS4_CLKDIV_CPU1);
>> -     if (soc_is_exynos4212())
>> -             stat_cpu1 = 0x11;
>> -     else
>> -             stat_cpu1 = 0x111;
>> -
>> -     while (__raw_readl(EXYNOS4_CLKDIV_STATCPU1) & stat_cpu1)
>> -             cpu_relax();
>> -}
>> -
>> -static void exynos4x12_set_apll(unsigned int index)
>> -{
>> -     unsigned int tmp, freq = apll_freq_4x12[index].freq;
>> -
>> -     /* MUX_CORE_SEL = MPLL, ARMCLK uses MPLL for lock time */
>> -     clk_set_parent(moutcore, mout_mpll);
>> -
>> -     do {
>> -             cpu_relax();
>> -             tmp = (__raw_readl(EXYNOS4_CLKMUX_STATCPU)
>> -                     >> EXYNOS4_CLKSRC_CPU_MUXCORE_SHIFT);
>> -             tmp &= 0x7;
>> -     } while (tmp != 0x2);
>> -
>> -     clk_set_rate(mout_apll, freq * 1000);
>> -
>> -     /* MUX_CORE_SEL = APLL */
>> -     clk_set_parent(moutcore, mout_apll);
>> -
>> -     do {
>> -             cpu_relax();
>> -             tmp = __raw_readl(EXYNOS4_CLKMUX_STATCPU);
>> -             tmp &= EXYNOS4_CLKMUX_STATCPU_MUXCORE_MASK;
>> -     } while (tmp != (0x1 << EXYNOS4_CLKSRC_CPU_MUXCORE_SHIFT));
>> -}
>> -
>> -static void exynos4x12_set_frequency(unsigned int old_index,
>> -                               unsigned int new_index)
>> -{
>> -     if (old_index > new_index) {
>> -             exynos4x12_set_clkdiv(new_index);
>> -             exynos4x12_set_apll(new_index);
>> -     } else if (old_index < new_index) {
>> -             exynos4x12_set_apll(new_index);
>> -             exynos4x12_set_clkdiv(new_index);
>> -     }
>> -}
>> -
>> -int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info)
>> -{
>> -     unsigned long rate;
>> -
>> -     cpu_clk = clk_get(NULL, "armclk");
>> -     if (IS_ERR(cpu_clk))
>> -             return PTR_ERR(cpu_clk);
>> -
>> -     moutcore = clk_get(NULL, "moutcore");
>> -     if (IS_ERR(moutcore))
>> -             goto err_moutcore;
>> -
>> -     mout_mpll = clk_get(NULL, "mout_mpll");
>> -     if (IS_ERR(mout_mpll))
>> -             goto err_mout_mpll;
>> -
>> -     rate = clk_get_rate(mout_mpll) / 1000;
>> -
>> -     mout_apll = clk_get(NULL, "mout_apll");
>> -     if (IS_ERR(mout_apll))
>> -             goto err_mout_apll;
>> -
>> -     if (soc_is_exynos4212())
>> -             apll_freq_4x12 = apll_freq_4212;
>> -     else
>> -             apll_freq_4x12 = apll_freq_4412;
>> -
>> -     info->mpll_freq_khz = rate;
>> -     /* 800Mhz */
>> -     info->pll_safe_idx = L7;
>> -     info->cpu_clk = cpu_clk;
>> -     info->volt_table = exynos4x12_volt_table;
>> -     info->freq_table = exynos4x12_freq_table;
>> -     info->set_freq = exynos4x12_set_frequency;
>> -
>> -     return 0;
>> -
>> -err_mout_apll:
>> -     clk_put(mout_mpll);
>> -err_mout_mpll:
>> -     clk_put(moutcore);
>> -err_moutcore:
>> -     clk_put(cpu_clk);
>> -
>> -     pr_debug("%s: failed initialization\n", __func__);
>> -     return -EINVAL;
>> -}
>> diff --git a/drivers/cpufreq/exynos5250-cpufreq.c
>> b/drivers/cpufreq/exynos5250-cpufreq.c deleted file mode 100644
>> index 5f90b82..0000000
>> --- a/drivers/cpufreq/exynos5250-cpufreq.c
>> +++ /dev/null
>> @@ -1,183 +0,0 @@
>> -/*
>> - * Copyright (c) 2010-20122Samsung Electronics Co., Ltd.
>> - *           http://www.samsung.com
>> - *
>> - * EXYNOS5250 - CPU frequency scaling support
>> - *
>> - * This program is free software; you can redistribute it and/or
>> modify
>> - * it under the terms of the GNU General Public License version 2 as
>> - * published by the Free Software Foundation.
>> -*/
>> -
>> -#include <linux/module.h>
>> -#include <linux/kernel.h>
>> -#include <linux/err.h>
>> -#include <linux/clk.h>
>> -#include <linux/io.h>
>> -#include <linux/slab.h>
>> -#include <linux/cpufreq.h>
>> -
>> -#include <mach/map.h>
>> -
>> -#include "exynos-cpufreq.h"
>> -
>> -static struct clk *cpu_clk;
>> -static struct clk *moutcore;
>> -static struct clk *mout_mpll;
>> -static struct clk *mout_apll;
>> -
>> -static unsigned int exynos5250_volt_table[] = {
>> -     1300000, 1250000, 1225000, 1200000, 1150000,
>> -     1125000, 1100000, 1075000, 1050000, 1025000,
>> -     1012500, 1000000,  975000,  950000,  937500,
>> -     925000
>> -};
>> -
>> -static struct cpufreq_frequency_table exynos5250_freq_table[] = {
>> -     {L0, 1700 * 1000},
>> -     {L1, 1600 * 1000},
>> -     {L2, 1500 * 1000},
>> -     {L3, 1400 * 1000},
>> -     {L4, 1300 * 1000},
>> -     {L5, 1200 * 1000},
>> -     {L6, 1100 * 1000},
>> -     {L7, 1000 * 1000},
>> -     {L8,  900 * 1000},
>> -     {L9,  800 * 1000},
>> -     {L10, 700 * 1000},
>> -     {L11, 600 * 1000},
>> -     {L12, 500 * 1000},
>> -     {L13, 400 * 1000},
>> -     {L14, 300 * 1000},
>> -     {L15, 200 * 1000},
>> -     {0, CPUFREQ_TABLE_END},
>> -};
>> -
>> -static struct apll_freq apll_freq_5250[] = {
>> -     /*
>> -      * values:
>> -      * freq
>> -      * clock divider for ARM, CPUD, ACP, PERIPH, ATB, PCLK_DBG,
>> APLL, ARM2
>> -      * clock divider for COPY, HPM, RESERVED
>> -      * PLL M, P, S
>> -      */
>> -     APLL_FREQ(1700, 0, 3, 7, 7, 7, 3, 5, 0, 0, 2, 0, 425, 6, 0),
>> -     APLL_FREQ(1600, 0, 3, 7, 7, 7, 1, 4, 0, 0, 2, 0, 200, 3, 0),
>> -     APLL_FREQ(1500, 0, 2, 7, 7, 7, 1, 4, 0, 0, 2, 0, 250, 4, 0),
>> -     APLL_FREQ(1400, 0, 2, 7, 7, 6, 1, 4, 0, 0, 2, 0, 175, 3, 0),
>> -     APLL_FREQ(1300, 0, 2, 7, 7, 6, 1, 3, 0, 0, 2, 0, 325, 6, 0),
>> -     APLL_FREQ(1200, 0, 2, 7, 7, 5, 1, 3, 0, 0, 2, 0, 200, 4, 0),
>> -     APLL_FREQ(1100, 0, 3, 7, 7, 5, 1, 3, 0, 0, 2, 0, 275, 6, 0),
>> -     APLL_FREQ(1000, 0, 1, 7, 7, 4, 1, 2, 0, 0, 2, 0, 125, 3, 0),
>> -     APLL_FREQ(900,  0, 1, 7, 7, 4, 1, 2, 0, 0, 2, 0, 150, 4, 0),
>> -     APLL_FREQ(800,  0, 1, 7, 7, 4, 1, 2, 0, 0, 2, 0, 100, 3, 0),
>> -     APLL_FREQ(700,  0, 1, 7, 7, 3, 1, 1, 0, 0, 2, 0, 175, 3, 1),
>> -     APLL_FREQ(600,  0, 1, 7, 7, 3, 1, 1, 0, 0, 2, 0, 200, 4, 1),
>> -     APLL_FREQ(500,  0, 1, 7, 7, 2, 1, 1, 0, 0, 2, 0, 125, 3, 1),
>> -     APLL_FREQ(400,  0, 1, 7, 7, 2, 1, 1, 0, 0, 2, 0, 100, 3, 1),
>> -     APLL_FREQ(300,  0, 1, 7, 7, 1, 1, 1, 0, 0, 2, 0, 200, 4, 2),
>> -     APLL_FREQ(200,  0, 1, 7, 7, 1, 1, 1, 0, 0, 2, 0, 100, 3, 2),
>> -};
>> -
>> -static void set_clkdiv(unsigned int div_index)
>> -{
>> -     unsigned int tmp;
>> -
>> -     /* Change Divider - CPU0 */
>> -
>> -     tmp = apll_freq_5250[div_index].clk_div_cpu0;
>> -
>> -     __raw_writel(tmp, EXYNOS5_CLKDIV_CPU0);
>> -
>> -     while (__raw_readl(EXYNOS5_CLKDIV_STATCPU0) & 0x11111111)
>> -             cpu_relax();
>> -
>> -     /* Change Divider - CPU1 */
>> -     tmp = apll_freq_5250[div_index].clk_div_cpu1;
>> -
>> -     __raw_writel(tmp, EXYNOS5_CLKDIV_CPU1);
>> -
>> -     while (__raw_readl(EXYNOS5_CLKDIV_STATCPU1) & 0x11)
>> -             cpu_relax();
>> -}
>> -
>> -static void set_apll(unsigned int index)
>> -{
>> -     unsigned int tmp;
>> -     unsigned int freq = apll_freq_5250[index].freq;
>> -
>> -     /* MUX_CORE_SEL = MPLL, ARMCLK uses MPLL for lock time */
>> -     clk_set_parent(moutcore, mout_mpll);
>> -
>> -     do {
>> -             cpu_relax();
>> -             tmp = (__raw_readl(EXYNOS5_CLKMUX_STATCPU) >> 16);
>> -             tmp &= 0x7;
>> -     } while (tmp != 0x2);
>> -
>> -     clk_set_rate(mout_apll, freq * 1000);
>> -
>> -     /* MUX_CORE_SEL = APLL */
>> -     clk_set_parent(moutcore, mout_apll);
>> -
>> -     do {
>> -             cpu_relax();
>> -             tmp = __raw_readl(EXYNOS5_CLKMUX_STATCPU);
>> -             tmp &= (0x7 << 16);
>> -     } while (tmp != (0x1 << 16));
>> -}
>> -
>> -static void exynos5250_set_frequency(unsigned int old_index,
>> -                               unsigned int new_index)
>> -{
>> -     if (old_index > new_index) {
>> -             set_clkdiv(new_index);
>> -             set_apll(new_index);
>> -     } else if (old_index < new_index) {
>> -             set_apll(new_index);
>> -             set_clkdiv(new_index);
>> -     }
>> -}
>> -
>> -int exynos5250_cpufreq_init(struct exynos_dvfs_info *info)
>> -{
>> -     unsigned long rate;
>> -
>> -     cpu_clk = clk_get(NULL, "armclk");
>> -     if (IS_ERR(cpu_clk))
>> -             return PTR_ERR(cpu_clk);
>> -
>> -     moutcore = clk_get(NULL, "mout_cpu");
>> -     if (IS_ERR(moutcore))
>> -             goto err_moutcore;
>> -
>> -     mout_mpll = clk_get(NULL, "mout_mpll");
>> -     if (IS_ERR(mout_mpll))
>> -             goto err_mout_mpll;
>> -
>> -     rate = clk_get_rate(mout_mpll) / 1000;
>> -
>> -     mout_apll = clk_get(NULL, "mout_apll");
>> -     if (IS_ERR(mout_apll))
>> -             goto err_mout_apll;
>> -
>> -     info->mpll_freq_khz = rate;
>> -     /* 800Mhz */
>> -     info->pll_safe_idx = L9;
>> -     info->cpu_clk = cpu_clk;
>> -     info->volt_table = exynos5250_volt_table;
>> -     info->freq_table = exynos5250_freq_table;
>> -     info->set_freq = exynos5250_set_frequency;
>> -
>> -     return 0;
>> -
>> -err_mout_apll:
>> -     clk_put(mout_mpll);
>> -err_mout_mpll:
>> -     clk_put(moutcore);
>> -err_moutcore:
>> -     clk_put(cpu_clk);
>> -
>> -     pr_err("%s: failed initialization\n", __func__);
>> -     return -EINVAL;
>> -}
>
>
>
> --
> Best regards,
>
> Lukasz Majewski
>
> Samsung R&D Institute Poland (SRPOL) | Linux Platform Group
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