Re: [PATCH] net: usb: ax88179_178a: fix link status when link is set to down/up

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On Tue, 28 May 2024 at 17:18, Jose Ignacio Tornos Martinez
<jtornosm@xxxxxxxxxx> wrote:
>
> Hello Yongqin,
>
> > When I tried the down and up operations manually from the command line,
> > it worked.
> > But it only worked after I ran the down and up operations after the boot.
> > It fails to work by default after the boot for both the fresh deployment,
> > and for the later reboot
> Ok, so it works as well for you after the initialization.
>
> > One thing I noticed is that the following message was printed twice
> >     "ax88179_178a 2-3:1.0 eth0: ax88179 - Link status is: 1"
> > after I ran the up operation,
> >
> > Is that expected?
> >
> > For details, please check the log here:
> > https://gist.github.com/liuyq/be8f5305d538067a344001f1d35f677b
> That is another thing that I am analyzing, to clean those spurious.
> But they are appearing in my case too, and I am not modifying anything at
> boot time.
>
> > The scripts are simple, here are the two scripts for Android build:
> >    https://android.googlesource.com/device/linaro/dragonboard/+/refs/heads/main/shared/utils/ethaddr/ethaddr.rc
> >    https://android.googlesource.com/device/linaro/dragonboard/+/refs/heads/main/shared/utils/ethaddr/set_ethaddr.sh
> >
> > Is the one to run the down/change mac/up operations script.
> >
> > Not sure why the up in the script does not work, but works when run manually.
> Ok, I am not working with Android but it doesn't seem spscial, the only
> doubt is when the script is executed, if the driver initialization is
> complete, ...
 is there any message that I could check to make sure if the
initialization is finished?
or like with adding some printk lines for some kernel functions to hack

> Anyway, I will try to reproduce here and analyze it.

Thanks very much! And please feel free to let me know if there is
anything I could help with on the Android build.

-- 
Best Regards,
Yongqin Liu
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