Re: [PATCH v2] uio: ensure class is registered before devices

[Alexandre Belloni]

On 16/08/2018 10:01:12+0200, Greg Kroah-Hartman wrote:
> On Thu, Aug 16, 2018 at 09:39:41AM +0200, Alexandre Belloni wrote:
> > When both uio and the uio drivers are built in the kernel, it is possible
> > for a driver to register devices before the uio class is registered.
> 
> How does this happen?  The link order should solve this issue, right?
> 

Sure, if we can ensure uio_init() is called before any driver calls
uio_register_device() then this would not happen. However, I'm not sure
how you would want to achieve that.

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com