Hi Laurent,
On Tue, Jul 18, 2017 at 11:54:21AM +0300, Laurent Pinchart wrote:
> Hi Sakari,
>
> Thank you for the patch.
>
> On Tuesday 18 Jul 2017 01:01:16 Sakari Ailus wrote:
> > If the CSI-2 receiver isn't part of the pipeline (or isn't there to begin
> > with), skip its initialisation.
> >
> > Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
> > ---
> > drivers/media/platform/omap3isp/ispcsiphy.c | 41 +++++++++++++++++---------
> > 1 file changed, 28 insertions(+), 13 deletions(-)
> >
> > diff --git a/drivers/media/platform/omap3isp/ispcsiphy.c
> > b/drivers/media/platform/omap3isp/ispcsiphy.c index
> > 2028bb519108..bb2906061884 100644
> > --- a/drivers/media/platform/omap3isp/ispcsiphy.c
> > +++ b/drivers/media/platform/omap3isp/ispcsiphy.c
> > @@ -155,6 +155,19 @@ static int csiphy_set_power(struct isp_csiphy *phy, u32
> > power) return 0;
> > }
> >
> > +static struct isp_pipeline *phy_to_isp_pipeline(struct isp_csiphy *phy)
> > +{
> > + if (phy->csi2 && phy->csi2->subdev.entity.pipe)
> > + return to_isp_pipeline(&phy->csi2->subdev.entity);
> > +
> > + if (phy->isp->isp_ccp2.subdev.entity.pipe)
> > + return to_isp_pipeline(&phy->isp->isp_ccp2.subdev.entity);
> > +
> > + __WARN();
> > +
> > + return NULL;
>
> If you changed the phy->csi2 pointer from a isp_csi2_device to a v4l2_subdev
> or media_entity (and renamed it accordingly, to something like "receiver" for
> instance, ideas for a better name are welcome) you could store a pointer to
> the appropriate CSI2 or CCP2 receiver and simplify this function, or even
> inline it as it is currently, calling to_isp_pipeline(phy->receiver). I think
> that would simplify the driver.
Yes; I'll store the entity to the phy struct. That way the function can be
indeed removed.
--
Sakari Ailus
e-mail: sakari.ai...@iki.fi XMPP: sai...@retiisi.org.uk
