On 2012년 08월 24일 07:22, Rafael J. Wysocki wrote:
> On Thursday, August 16, 2012, Jonghwa Lee wrote:
>> This patch initializes freq_table and max_state of devfreq's profile.
>> They will be used for creating transition table.
>>
>> Signed-off-by: Jonghwa Lee <jonghwa3....@samsung.com>
> Does that depend on [1/2]?
>
> Rafael
Not exactly, but it shows that required procedure for using function
included in patch[1/2].
Thanks.
>
>> ---
>> drivers/devfreq/exynos4_bus.c | 30 +++++++++++++++++++++++++++++-
>> 1 files changed, 29 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/devfreq/exynos4_bus.c b/drivers/devfreq/exynos4_bus.c
>> index 88ddc77..9c08855 100644
>> --- a/drivers/devfreq/exynos4_bus.c
>> +++ b/drivers/devfreq/exynos4_bus.c
>> @@ -985,7 +985,8 @@ static __devinit int exynos4_busfreq_probe(struct
>> platform_device *pdev)
>> struct busfreq_data *data;
>> struct opp *opp;
>> struct device *dev = &pdev->dev;
>> - int err = 0;
>> + int err = 0, i;
>> + unsigned int *freq_table;
>>
>> data = kzalloc(sizeof(struct busfreq_data), GFP_KERNEL);
>> if (data == NULL) {
>> @@ -1042,6 +1043,33 @@ static __devinit int exynos4_busfreq_probe(struct
>> platform_device *pdev)
>>
>> platform_set_drvdata(pdev, data);
>>
>> + switch (data->type) {
>> + case TYPE_BUSF_EXYNOS4210:
>> + freq_table = devm_kzalloc(&pdev->dev, sizeof(unsigned int) *
>> EX4210_LV_NUM,
>> + GFP_KERNEL);
>> +
>> + for (i = 0; i < EX4210_LV_NUM; i++)
>> + freq_table[i] = exynos4210_busclk_table[i].clk;
>> +
>> + exynos4_devfreq_profile.max_state = EX4210_LV_NUM;
>> + break;
>> + case TYPE_BUSF_EXYNOS4x12:
>> + freq_table = devm_kzalloc(&pdev->dev, sizeof(unsigned int) *
>> EX4x12_LV_NUM,
>> + GFP_KERNEL);
>> +
>> + for (i = 0; i < EX4x12_LV_NUM; i++)
>> + freq_table[i] = exynos4x12_mifclk_table[i].clk;
>> +
>> + exynos4_devfreq_profile.max_state = EX4x12_LV_NUM;
>> + break;
>> + default:
>> + dev_err(dev, "Cannot determine the device id %d\n", data->type);
>> + err = -EINVAL;
>> + goto err_opp_add;
>> + }
>> +
>> + exynos4_devfreq_profile.freq_table = freq_table;
>> +
>> busfreq_mon_reset(data);
>>
>> data->devfreq = devfreq_add_device(dev, &exynos4_devfreq_profile,
>>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-pm" in
> the body of a message to majord...@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
