getting rid of subsys_initcall usage? (was: Re: [PATCH RESEND] i2c: designware: use module_platform_driver)

[zhangfei gao]

On Fri, Aug 30, 2013 at 4:27 PM, Tony Lindgren <tony at atomide.com> wrote:
> * zhangfei gao <zhangfei.gao at gmail.com> [130829 23:36]:
>> What about concerns from Wolfram:
>> " Other people might be
>> depending on subsys_initcall to get I2C active before they want to
>> activate, say, PMICs. So, I fear regressions, since deferred probing
>> might not be available in the needed places to avoid these regressions."
>
> There should not be any reason to get a PMIC activated
> early on. The system should be booting already at that point,
> and the PMIC related init can be done later on.
>
>> Is it too late using module_init for PMIC?
>
> You can probably do it as a fix early on during the -rc
> cycle too. Of course it needs to be verified to work first :)
>

Dear Wolfram

What's your suggestion about this issue.
Use subsys_initcall, deferred probing still exist if base on pin control driver.

Thanks