Re: driver loading order

In reply to: titus : "driver loading order"
Go to: [ bottom of page ] [ top of archives ] [ this month ]

From: Warner Losh <imp_at_bsdimp.com>
Date: Fri, 16 Jun 2023 15:59:54 UTC

On Fri, Jun 16, 2023, 9:55 AM titus <titus@edc.ro> wrote:

> what is the correct method for loading drivers in a specific order
> I hacked a driver for pwm-regulator so i can have cpufreq_dt
> so rk_pwm/pwm needs to be loaded before the pwm-regulator driver and after
> the clock
> driver
> i changed the pass arg for EARLY_DRIVER_MODULE and in the end it worked
> but im not sure this is the best way
>

That's generally the best way for things like clocks and regulators. Those
item enable other devices to work, so should be attached in an earlier pass.

Warner

thanks
>