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From: Thierry Seegers <thierry.seegers@gmail.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: kernelnewbies@kernelnewbies.org
Subject: Re: Can I reboot a USB device within a driver's probe function?
Date: Mon, 14 Sep 2020 11:10:30 +0200	[thread overview]
Message-ID: <CAJcZPhT9h2u68Yu8kqKUd0Ef-QAL4YLyuqvm=+uRhP6V5TuMyg@mail.gmail.com> (raw)
In-Reply-To: <20200914081750.GA1832024@kroah.com>

> Then you need to fix your script, as it can be determined from the
> environment variables that are passed to it by udev.  Otherwise udev and
> scripts that trigger off of device discovery would not work very well :)

Aaaah! That's the puzzle piece I was missing! Yes, it makes sense now
and, oh lookie here the information I get as environment variables when
the script is invoked:

DEVNAME=/dev/bus/usb/002/002
DEVPATH=/devices/pci0000:00/0000:00:0c.0/usb2/2-1

I think I can work with that. :)

Thanks!

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      reply	other threads:[~2020-09-14  9:12 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-13 16:17 Can I reboot a USB device within a driver's probe function? Thierry Seegers
2020-09-14  5:26 ` Greg KH
2020-09-14  8:03   ` Thierry Seegers
2020-09-14  8:17     ` Greg KH
2020-09-14  9:10       ` Thierry Seegers [this message]

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