[Bug 258994] iic(4): Panics on Nanopi Neo when using 16-bit device addressing width: panic: Assertion strlen(description) < MAX_W_NAME failed at ... sys/kern/subr_witness.c:1914

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From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 23 Oct 2021 13:59:17 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258994

--- Comment #10 from alydiomc@yahoo.com ---
(In reply to Andriy Gapon from comment #9)
Hi Andriy,

Been searching a for a patch on twsi.c but couldn't find before. Thank you for
sharing your works!

I tested some of your commits, below are the results:

1c6777dc1d2ee5ba9e8ff887e9517c58340ce457
   - 8bit single byte  write not working
   - eeprom write not working

35f319546b594a6094a86bcb18e415d4de2643e2
   -eeprom (16bit addressing) single byte read/write working
   -eeprom (16bit addressing) continues read/write working
   -8bit single byte read/write working
   -8bit continues read/write working

937a86158404fe84d8135110e01dd60b1e6df81b
  -can't write eeprom

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