[PATCH v4 10/14] dm: usb: move bus initialization into new static function usb_init_bus()

[Marek Vasut]

On 3/18/25 11:46 AM, Jerome Forissier wrote:
> To prepare for the introduction of threads in the USB initialization
> sequence, move code out of usb_init() into a new helper function:
> usb_init_bus(). No functional change.
> 
> Signed-off-by: Jerome Forissier <jerome.forissier at linaro.org>
> Reviewed-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>
> ---
>   drivers/usb/host/usb-uclass.c | 88 +++++++++++++++++++----------------
>   1 file changed, 48 insertions(+), 40 deletions(-)
> 
> diff --git a/drivers/usb/host/usb-uclass.c b/drivers/usb/host/usb-uclass.c
> index bfec303e7af..cc803241461 100644
> --- a/drivers/usb/host/usb-uclass.c
> +++ b/drivers/usb/host/usb-uclass.c
> @@ -287,9 +287,55 @@ static int usb_probe_companion(struct udevice *bus)
>   	return 0;
>   }
>   
> +static int controllers_initialized;
I'm afraid this won't work, you will have to track the controllers in a 
list somehow, because it is possible to unbind DM devices even using the 
'unbind' command from U-Boot command line.

Also, why not simply track the controller state using DM in the first place?