Messages in this thread | | | Date | Thu, 12 May 2022 14:22:33 +0800 | Subject | Re: [PATCH v2] drivers: cpufreq: sun8i-r40: Add cpufreq support | From | qianfan <> |
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在 2022/5/12 12:58, Viresh Kumar 写道: > On 12-05-22, 12:34, qianfan wrote: >> Actually I'm not make sure the difference, seems both of them can work. >> Most of allwinner device_id is added in allowlist, so I did this. > For OPP V1 the cpufreq device isn't created by default and hence the allowlist > allows us to know the devices for which the device shall be created. > > For OPP V2, we have the compatible string available and with help of that we > create a device without need of any entry to any list. The blocklist however > allows us to skip creating the device for some platforms, which don't want it. > > As your case is opp-v2 and you want the device, you aren't required to add entry > anywhere. I read the source code again and understand the behaivors. And I will it from allowlist.
Thanks >
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