Re: [PATCH] usb: ulpi: don't register drivers if bus doesn't exist

Sudip Mukherjee
2015-05-27T09:05:28Z

On Wed, May 27, 2015 at 11:39:33AM +0300, Heikki Krogerus wrote:
> Hi Greg,
>
> I can appreciate now that fixing the core problem like I2C did is
> wrong, but I still feel that the driver core should provide something
> like the helper for checking if the bus was registered already or not.
> Otherwise all the bus drivers should really have a variable like Sudip
> suggested for checking it, but that would be boilerplate, no?
There might have been another way. There was a function called find_bus()
but it is under #if 0 , it used to find for a registered bus with its
name and NULL if not registered.

regards
sudip

>
> Thanks,
>
> --
> heikki