RE: [PATCH 0/2] i2c: rcar: add support for Gen4 devices
2 days, 4 hours ago
> 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!