Hi Jacopo, Am Donnerstag, 27. April 2023, 18:01:38 CEST schrieb Jacopo Mondi: > 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 Thanks for the link, seems like a non-trivial thing :( >From a glimpse, this series seems to deal with multiple async subdevs: https://lore.kernel.org/all/20230330115853.1628216-1-sakari.ailus@xxxxxxxxxxxxxxx/ So imx-media-csi should be adjusted as well, no? Best regards, Alexander > > $ 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 > > -- > > TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany > > Amtsgericht München, HRB 105018 > > Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider > > http://www.tq-group.com/ -- TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht München, HRB 105018 Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider http://www.tq-group.com/