Re: [PATCH v2] drivers: cpufreq: sun8i-r40: Add cpufreq support

[qianfan]

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
>