linux/drivers/devfreq/devfreq.c, branch v4.5

PM / devfreq: Do not show statistics if it's not ready.

2016-01-13T08:30:33Z

Before this patch for a device without statistics support, $ cat trans_stat From : To : time(ms) Total transitions : 0 $ After this patch applied for such a device, $ cat trans_stat Not Supported. $ Signed-off-by: MyungJoo Ham

PM / devfreq: Modify the indentation of trans_stat sysfs for readability

2016-01-13T08:30:33Z

This patch modifies the indentation of 'trans_stat' sysfs to improve readability. The 1GHz is 1000,000,000. So it needs the least 10 position to show the GHz unit. - Before apply this patch, -sh-3.2# cat trans_stat From : To :50000000100000000133000000200000000400000000 time(ms) *50000000: 0 0 0 0 7 1817635 100000000: 4 0 0 0 4 1590 133000000: 1 4 0 0 7 975 200000000: 2 2 7 0 1 2655 400000000: 0 2 5 12 0 1860 Total transition : 58 - After apply this patch, -sh-3.2# cat trans_stat From : To : 50000000 100000000 133000000 200000000 400000000 time(ms) * 50000000: 0 0 0 0 7 14405 100000000: 4 0 0 0 3 2015 133000000: 2 3 0 0 7 1020 200000000: 1 2 7 0 0 2970 400000000: 0 2 5 10 0 1575 Total transition : 53 Signed-off-by: Chanwoo Choi Signed-off-by: MyungJoo Ham

PM / devfreq: Set the freq_table of devfreq device

2016-01-13T08:30:32Z

This patch initialize the freq_table array of each devfreq device by using the devfreq_set_freq_table(). If freq_table is NULL, the devfreq framework is not able to support the frequency transtion information through sysfs. The OPP core uses the integer type for the number of opps in the opp list and uses the 'unsigned long' type for each frequency. So, this patch modifies the type of some variable as following: - the type of freq_table : unsigned int -> unsigned long - the type of max_state : unsigned int -> int - Corrected types, format strings, mutex usages by MyungJoo Signed-off-by: Chanwoo Choi Signed-off-by: MyungJoo Ham

PM / devfreq: Add show_one macro to delete the duplicate code

2016-01-13T08:30:32Z

This patch adds the 'show_one' macro to simplify the duplicate code of both max_freq_show() and min_freq_show(). Signed-off-by: Chanwoo Choi Signed-off-by: MyungJoo Ham

PM / devfreq: fix double kfree

2015-10-02T02:05:58Z

When device_register() fails, kfree(devfreq) is called already in devfreq_dev_release(), hence there is no need to call kfree(devfreq) in err_dev again. Signed-off-by: Geliang Tang Signed-off-by: MyungJoo Ham

PM / devfreq: Fix governor_store()

2015-09-30T05:16:31Z

Writing the currently set governor into sysfs currently seems to fail. Fix this by setting the return code to zero before leaving governor_store(). Signed-off-by: Tobias Jakobi Signed-off-by: MyungJoo Ham

PM / devfreq: Fix incorrect type issue.

2015-09-11T05:23:30Z

time_in_state in struct devfreq is defined as unsigned long, so devm_kzalloc should use sizeof(unsigned long) as argument instead of sizeof(unsigned int), otherwise it will cause unexpected result in 64bit system. Signed-off-by: Xiaolong Ye Signed-off-by: Kevin Liu Signed-off-by: MyungJoo Ham

PM / devfreq: drop comment about thermal setting max_freq

2015-09-11T05:23:29Z

The thermal infrastructure should use the devfreq cooling device, which uses the OPP library to disable OPPs as necessary. Fix a couple of typos in the same comment while we are at it. Signed-off-by: Javi Merino Signed-off-by: MyungJoo Ham

PM / devfreq: Drop unlikely before IS_ERR(_OR_NULL)

2015-09-11T05:23:21Z

IS_ERR(_OR_NULL) already contain an 'unlikely' compiler flag and there is no need to do that again from its callers. Drop it. Signed-off-by: Viresh Kumar Signed-off-by: MyungJoo Ham

PM / devfreq: correct misleading comment

2015-03-30T08:09:41Z

_remove_devfreq() does not have @skip anymore after 3.16. The comment for _remove_devfreq() has been updated correspondingly. Signed-off-by: MyungJoo Ham