Re: [Bug 206435] dwc3 dwc3.3.auto: no usb2 phy configured

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Hi Felipe,

On 2/6/20 7:33 PM, Felipe Balbi wrote:

+ Heikki, since this is, apparently, Bay Trail

Felipe Balbi <balbi@xxxxxxxxxx> writes:

Hi,

bugzilla-daemon@xxxxxxxxxxxxxxxxxxx writes:
https://bugzilla.kernel.org/show_bug.cgi?id=206435

--- Comment #3 from youling257@xxxxxxxxx ---
Revert 987351e1ea7772cf2f0795e917fb33b2e282e1c1 phy: core: Add consumer device
link support, dwc3 work for my z3735f device.

android_x86:/ $ su
android_x86:/ # dmesg | grep dwc
[    9.724606] dwc3 dwc3.3.auto: changing max_speed on rev 5533210a
[   47.488501] udc dwc3.3.auto: registering UDC driver [g1]

reverting that commit makes dwc3 work? Then you don't have a bug on
dwc3. You have a regression caused by another commit.

Alexandre, any idea what's going on?


It's probably due to error returned by "device_link-add" function called in phy-get (phy-core.c). Maybe because phy dev is not present. I wonder if we should update device_link_add error management in phy-get (if link add fails it's maybe not a reason to make the consumer probe fail)

regards
Alex

Heikki, any ideas?




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