Hi Wolfram-san, > From: Wolfram Sang, Sent: Saturday, September 16, 2023 8:41 PM > > Hi Shimoda-san, > > I had a look now with Kieran's Spider and could reproduce your findings. > It is not a problem, though, because the system behaves the same with > plain v6.6-rc1. The only difference with my branch is that DEBUG is > enabled for the I2C driver, so we see all the messages regarding > EPROBE_DEFER with DMA. If you add DEBUG to plain v6.6-rc1, then you see > the same messages. But still, the busses get probed and they also get > DMA channels after some time when the DMA driver is finally loaded. So, > this really has nothing to do with the patches themselves, only with the > additions for debugging. Phew! Thank you for the investigation! I also confirmed that reverting the "DEBUG" commit resolved the issue about the EPROBE_DEFER. > Thank you for reporting and testing, still! You're welcome! Best regards, Yoshihiro Shimoda > Wolfram