[PATCH v2 00/13] event: Provide support for events to connect subsystems

[Simon Glass]

Hi Tom,

On Tue, 8 Mar 2022 at 06:26, Tom Rini <trini at konsulko.com> wrote:
>
> On Tue, Mar 08, 2022 at 02:11:02PM +0100, Heinrich Schuchardt wrote:
> > On 3/4/22 16:42, Simon Glass wrote:
> > > It is a common need in U-Boot to have one subsystem notify another
> > > when something happens. An example is reading a partition table when a
> > > new block device is set up.
> > >
> > > It is also common to add weak functions and 'hook' functions to modify
> > > how U-Boot works. See for example ft_board_setup() and the like.
> > >
> > > U-Boot would benefit from a generic mechanism to handle these cases,
> > > with the ability to hook into various 'events' in a
> > > subsystem-independent and transparent way.
> > >
> > > This series provides a way to create and dispatch events, with a way of
> > > registering a 'spy' which watches for events of different types. This
> > > allows 'hook' functions to be created in a generic way.
> > >
> > > It also includes a script to list the hooks in an image, which is a bit
> > > easier to debug than weak functions, as well as an 'event' command to
> > > do the same from within U-Boot.
> > >
> > > These 'static' events can be used to replace hooks like misc_init_f(),
> > > for example. Also included is basic support for 'dynamic' events, where
> > > a spy can be registered at runtime. The need for this is still being
> > > figured out.
> >
> > @Simon, Tom:
> >
> > What is the status of this series? Takahiro's UEFI integration series
> > builds on it. Is it going to be pushed to origin/next soon?
>
> I'm waiting for Simon to reply to Takahiro's comment on v2 before
> applying.

OK I found it and replied.

Regards,
Simon