linux-kernel - Re: [PATCH] drm/bridge: lt9611uxc: Cancel only driver's work

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Message-ID: <CAG3jFyuvW2ZHRZ4AgMe8k88fOnkxNLXfxR2hC_X6t_P9TA=HJQ@mail.gmail.com>
Date:   Tue, 7 Jun 2022 14:58:48 +0200
From:   Robert Foss <robert.foss@...aro.org>
To:     Neil Armstrong <narmstrong@...libre.com>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] drm/bridge: lt9611uxc: Cancel only driver's work

On Tue, 7 Jun 2022 at 14:32, Neil Armstrong <narmstrong@...libre.com> wrote:
>
> On 02/06/2022 01:38, Bjorn Andersson wrote:
> > During device remove care needs to be taken that no work is pending
> > before it removes the underlying DRM bridge etc, but this can be done on
> > the specific work rather than waiting for the flush of the system-wide
> > workqueue.
> >
> > Fixes: bc6fa8676ebb ("drm/bridge/lontium-lt9611uxc: move HPD notification out of IRQ handler")
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> > ---
> >   drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> > index 3d62e6bf6892..310b3b194491 100644
> > --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> > +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> > @@ -982,7 +982,7 @@ static int lt9611uxc_remove(struct i2c_client *client)
> >       struct lt9611uxc *lt9611uxc = i2c_get_clientdata(client);
> >
> >       disable_irq(client->irq);
> > -     flush_scheduled_work();
> > +     cancel_work_sync(&lt9611uxc->work);
> >       lt9611uxc_audio_exit(lt9611uxc);
> >       drm_bridge_remove(&lt9611uxc->bridge);
> >
>
> Reviewed-by: Neil Armstrong <narmstrong@...libre.com>

Applied to drm-misc-next.