Re: Overhaul of I2C and SPI device autoconfiguration

[Jason Thorpe <thorpej%me.com@localhost>]

> On Sep 12, 2021, at 7:37 AM, Tobias Nygren <tnn%NetBSD.org@localhost> wrote:
> 
> iic3 at rkiic3: I2C bus
> typec-portc (fcs,fusb302) at iic3 addr 0x22 not configured
> panic: kernel diagnostic assertion "rv" failed: file "/usr/src/sys/dev/i2c/i2c.c", line 630
> cpu0: Begin traceback...
> trace fp ffffc00000f784e0
> fp ffffc00000f78510 vpanic() at ffffc0000053bd5c netbsd:vpanic+0x14c
> fp ffffc00000f78570 kern_assert() at ffffc0000079f928 netbsd:kern_assert+0x58
> fp ffffc00000f78600 iic_enumerate_devices_callback() at ffffc000003448f4 netbsd:iic_enumerate_devices_callback+0xd4
> fp ffffc00000f78670 of_i2c_enumerate_devices() at ffffc000006483cc netbsd:of_i2c_enumerate_devices+0x10c
> fp ffffc00000f78730 device_call() at ffffc00000523e60 netbsd:device_call+0x90

Huh, ok, I’ll take a look.  I’ll craft a scenario where my DT has a “not configured” device to reproduce the problem.

Thanks for giving it a spin.  I’ll follow up shortly.

-- thorpej