Re: [PATCH 1/2] drivers: base: component: add function to query the bound status

Heiko Stübner
2025-02-27T08:46:55Z

Hi Greg,

Am Freitag, 21. Februar 2025, 07:14:07 MEZ schrieb Greg KH:
> On Fri, Feb 21, 2025 at 12:41:40AM +0100, Heiko Stuebner wrote:
> > The component helpers already expose the bound status in debugfs, but at
> > times it might be necessary to also check that state in the kernel and
> > act differently depending on the result.
> >
> > For example the shutdown handler of a drm-driver might need to stop
> > a whole output pipeline if the drm device is up and running, but may
> > run into problems if that drm-device has never been set up before,
> > for example because the binding deferred.
> >
> > So add a little helper that returns the bound status for a componet
> > device.
> >
> > Signed-off-by: Heiko Stuebner <heiko@sntech.de>
> > ---
> > drivers/base/component.c | 14 ++++++++++++++
> > include/linux/component.h | 4 +++-
> > 2 files changed, 17 insertions(+), 1 deletion(-)
>
> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

just for safety and not stepping on people's toes, does the Acked-by mean
that this patch can go together with its user through the drm-misc tree?

Thanks a lot
Heiko