Re: [PATCHv2] omap3isp: add support for CSI1 bus

[Sakari Ailus]

Hi Pavel,

On Thu, Mar 02, 2017 at 01:38:48PM +0100, Pavel Machek wrote:
> Hi!
> 
> > > Ok, how about this one?
> > > omap3isp: add rest of CSI1 support
> > >     
> > > CSI1 needs one more bit to be set up. Do just that.
> > >     
> > > It is not as straightforward as I'd like, see the comments in the code
> > > for explanation.
> ...
> > > +	if (isp->phy_type == ISP_PHY_TYPE_3430) {
> > > +		struct media_pad *pad;
> > > +		struct v4l2_subdev *sensor;
> > > +		const struct isp_ccp2_cfg *buscfg;
> > > +
> > > +		pad = media_entity_remote_pad(&ccp2->pads[CCP2_PAD_SINK]);
> > > +		sensor = media_entity_to_v4l2_subdev(pad->entity);
> > > +		/* Struct isp_bus_cfg has union inside */
> > > +		buscfg = &((struct isp_bus_cfg *)sensor->host_priv)->bus.ccp2;
> > > +
> > > +		csiphy_routing_cfg_3430(&isp->isp_csiphy2,
> > > +					ISP_INTERFACE_CCP2B_PHY1,
> > > +					enable, !!buscfg->phy_layer,
> > > +					buscfg->strobe_clk_pol);
> > 
> > You should do this through omap3isp_csiphy_acquire(), and not call
> > csiphy_routing_cfg_3430() directly from here.
> 
> Well, unfortunately omap3isp_csiphy_acquire() does have csi2
> assumptions hard-coded :-(.
> 
> This will probably fail.
> 
> 	        rval = omap3isp_csi2_reset(phy->csi2);
> 	        if (rval < 0)
> 		                goto done;

Could you try to two patches I've applied on the ccp2 branch (I'll remove
them if there are issues).

That's compile tested for now only.

-- 
Regards,

Sakari Ailus
e-mail: sakari.ailus@xxxxxx	XMPP: sailus@xxxxxxxxxxxxxx