Hi Shimoda-san, > I tested the branch on the Spider, and then the i2c cannot be probed with the following errors: > ----- > # dmesg | grep i2c > [ 1.528773] i2c_dev: i2c /dev entries driver > [ 1.533572] i2c-rcar e6500000.i2c: clk 395647/400000(133333333), round 46, CDF: 6 SMD 20 SCL gran 27 These values look good and match the values from Falcon. > [ 1.554646] i2c-rcar e6500000.i2c: request_channel failed for tx (-517) > [ 1.561487] i2c-rcar e6500000.i2c: request_channel failed for tx (-517) > [ 1.568133] i2c-rcar e6500000.i2c: request_channel failed for rx (-517) -EPROBE_DEFER when requesting the DMA channel? This is weird, at first glimpse this seems unrelated to my series. But you say v6.6-rc1 works fine. Strange. > I checked that the v6.6-rc1 (commit 0bb80ecc33a8) could worked correctly. > JFYI, I pasted whole log at the end of this email. Should I do git bisect to find > a bad commit on the branch? Very kind of you but I think this is not needed. There is a Spider in Kieran's lab and I will try to reproduce the issue there myself. If that doesn't work, I'll come back to you. Thank you for the report! All the best, Wolfram
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