[PATCH v2 1/3] staging: vc04_services: Support module autoloading using MODULE_DEVICE_TABLE

[Greg Kroah-Hartman]

On Wed, Oct 18, 2023 at 03:38:56PM +0300, Laurent Pinchart wrote:
> On Wed, Oct 18, 2023 at 11:12:12AM +0530, Umang Jain wrote:
> > VC04 has now a independent bus vchiq_bus to register its devices.
> > However, the module auto-loading for bcm2835-audio and bcm2835-camera
> > currently happens through MODULE_ALIAS() macro specified explicitly.
> > 
> > The correct way to auto-load a module, is when the alias is picked
> > out from MODULE_DEVICE_TABLE(). In order to get there, we need to
> > introduce  vchiq_device_id and add relevant entries in file2alias.c
> > infrastructure so that aliases can be generated. This patch targets
> > adding vchiq_bus_device_id and do_vchiq_bus_entry, in order to
> > generate those alias using the /script/mod/file2alias.c.
> > 
> > Going forward the MODULE_ALIAS() from bcm2835-camera and bcm2835-audio
> > will be dropped, in favour of MODULE_DEVICE_TABLE being used there.
> > 
> > The alias format for vchiq_bus devices will be "vchiq_bus:<dev_name>".
> > Adjust the vchiq_bus_uevent() to reflect that.
> 
> None of the other buses have a "_bus" suffix in the alias or in the
> *_device_id structure name. Is there a reason to make an exception here?

No, it should be dropped, good catch.

thanks,

greg k-h