Messages in this thread | | | Date | Wed, 28 Dec 2016 21:09:57 +0900 | From | Chanwoo Choi <> | Subject | Re: [PATCH v2 0/2] PM / devfreq: Add support frequency support |
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Dear all,
I'm sorry for the version of these patches. These patches is v1 instead of v2. It is my mistake.
But, if I should send next version, I'll use 'v3' to reduce the confusion for the duplicate version.
Best Regards, Chanwoo Choi
On 2016년 12월 28일 21:07, Chanwoo Choi wrote: > The devfreq has two case to enter the suspend mode for devfreq dev as following: > case 1: Some devfreq device call the 'devfreq_suspend/resume_device()' > directly on the fly regardless of 'echo mem > /sys/power/state'. > case 2: The system enter the suspend mode by using 'echo mem > sys/power/state'. > > These patches support the suspend frequency on devfreq subsystem for case 1. > Lin Huang posted the patch[1] to support the case1. So, I rework Lin Huang's > patch[1] to consider the passive devfreq device using passive governor. > > And Tobias would support the following two features on third patches. > He already posted the patches[2] to support the case 2. > - Add new devfreq_{suspend|resume} function for all registered devfreq devices > - Support the reference count to prevent the duplicate call of > devfreq_{suspend|resume}_device. Tobias and me already discussed it on > patch[3]. > > [1] https://patchwork.kernel.org/patch/9445007/ > - "[v7] PM/devfreq: add suspend frequency support" > [2] https://www.spinics.net/lists/linux-samsung-soc/msg56602.html > - [RFC v2 0/7] PM / devfreq: draft for OPP suspend impl (even draftier) > [3] https://www.spinics.net/lists/linux-samsung-soc/msg56632.html > > Also, I tested these patches on Exynos3250-Rinato board and made the > patch[4][5]. But, the patches[4][5] would be posted after posting the third > patches by Tobias Jakobi. > [4] https://git.kernel.org/cgit/linux/kernel/git/chanwoo/linux.git/commit/?h=devfreq-test&id=cf2893454b126380e5513261ec8e3aa94d898e51 > [5] https://git.kernel.org/cgit/linux/kernel/git/chanwoo/linux.git/commit/?h=devfreq-test&id=fb75ab14e7fbd5b72784dea2c45f7cb171490b6e > > > Depends on: > - These patches depend on v4.1-rc1 and patches[6][7] > > [6] https://lkml.org/lkml/2016/12/28/91 > - [PATCH v2 0/3] PM / devfreq: Fix the bug and add reviewer for devfreq support > [7] https://lkml.org/lkml/2016/12/28/102 > - [PATCH v2 0/8] PM / devfreq: Update the devfreq and devfreq-event device > > Chanwoo Choi (1): > PM / devfreq: Add separate target function > > Lin Huang (1): > PM / devfreq: Add suspend frequency support > > drivers/devfreq/devfreq.c | 96 +++++++++++++++++++++++++++++++++++------------ > include/linux/devfreq.h | 2 + > 2 files changed, 73 insertions(+), 25 deletions(-) >
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