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Re: Should b44_init lead to WARN_ON in drivers/ssb/driver_gpio.c:464?

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On 6/9/19 4:57 PM, Michael Büsch wrote:
On Sun, 9 Jun 2019 17:44:10 -0400
H Buus <ubuntu@xxxxxxxxx> wrote:

I have an old 32 bit laptop with a BCM4401-B0 100Base-TX ethernet
controller. For every kernel from 4.19-rc1 going forward, I get a
warning and call trace within a few seconds of start up (see dmesg
snippet below). I have traced it to a specific commit (see commit
below). On the face of it, I would think it is a regression, but it
doesn't seem to cause a problem, since networking over ethernet is working.


This warning is not a problem. The commit just exposes a warning, that
has always been there.
I suggest we just remove the WARN_ON from ssb_gpio_init and
ssb_gpio_unregister.
I don't see a reason to throw a warning in that case.

Michael,

I agree. Do you want to prepare the patch, or should I?

Larry




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