Hi Alexander
On Thu, Apr 27, 2023 at 04:40:46PM +0200, Alexander Stein wrote:
> Hi all,
>
> I have a setup on my TQMa6x (imx6q-mba6a.dts) with a tc358743 attached to the
> MIPI CSI input.
> I noticed that since commit 1f391df44607 ("media: v4l2-async: Use endpoints in
> __v4l2_async_nf_add_fwnode_remote()") the async subdevice probing does not
> work anymore. If I revert that, it is working again, even on next-20230425.
A similar issue has been discussed at
https://www.spinics.net/lists/linux-media/msg223351.html
Unfortunately there was no conclusion as far as I can tell if not that
imx6 is now broken
>
> $ cat /sys/kernel/debug/v4l2-async/pending_async_subdevices
> imx-media:
> ipu2_csi1:
> ipu2_csi0:
> [fwnode] dev=21dc000.mipi, node=/soc/bus@2100000/mipi@21dc000/port@3/endpoint
> ipu1_csi1:
> [fwnode] dev=21dc000.mipi, node=/soc/bus@2100000/mipi@21dc000/port@2/endpoint
> ipu1_csi0:
> imx6-mipi-csi2:
> ipu2_csi1_mux:
> ipu1_csi0_mux:
> [fwnode] dev=21dc000.mipi, node=/soc/bus@2100000/mipi@21dc000/port@1/endpoint
>
>
> With revert:
> $ cat /sys/kernel/debug/v4l2-async/pending_async_subdevices
> imx-media:
> ipu2_csi1:
> ipu2_csi0:
> ipu1_csi1:
> ipu1_csi0:
> imx6-mipi-csi2:
> ipu2_csi1_mux:
> ipu1_csi0_mux:
>
> I also see these messages:
> > video-mux 20e0000.iomuxc-gpr:ipu2_csi1_mux: Consider updating driver video-
> mux to match on endpoints
> > imx6-mipi-csi2 21dc000.mipi: Consider updating driver imx6-mipi-csi2 to
> match on endpoints
> > tc358743 0-000f: Consider updating driver tc358743 to match on endpoints
> > video-mux 20e0000.iomuxc-gpr:ipu1_csi0_mux: Consider updating driver video-
> mux to match on endpoints
>
> But I'm unsure if this is related. As far as I can see match_fwnode_one does
> match some nodes, but I do not know if they are the correct ones.
> Anyone has an idea what's wrong here?
>
> Best regards,
> Alexander
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>
>
