Re: [PATCH 1/2] extcon: add driver for Intel USB mux

[David Cohen]

Hi Felipe,

On Tue, Dec 01, 2015 at 02:34:34PM -0600, Felipe Balbi wrote:

[snip]

> > +EXPORT_SYMBOL_GPL(intel_usb_mux_register);
> > +
> > +void intel_usb_mux_unregister(struct intel_usb_mux *mux)
> > +{
> > +	extcon_unregister_notifier(&mux->edev, EXTCON_USB_HOST, &mux->nb);
> > +	extcon_dev_unregister(&mux->edev);
> > +	writel(mux->cfg0_ctx, mux->regs + INTEL_MUX_CFG0);
> > +	iounmap(mux->regs);
> > +	kfree(mux);
> > +}
> > +EXPORT_SYMBOL_GPL(intel_usb_mux_unregister);
> 
> so who's gonna call these two functions ? IMO, this looks like a recipe
> for randbuild breakage.

There are function stubs on header file when the functions aren't
available.
But also notice CONFIG_EXTCON_INTEL_USB is not user-selectable. It's
automatically selected when a driver that requires it is selected too.

With the 2 cases above, IMHO it should not bring issues with randbuild
tests.

Br, David

> 
> -- 
> balbi


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