From: Alan Stern <stern@rowland.harvard.edu>
To: Muni Sekhar <munisekharrms@gmail.com>
Cc: linux-usb@vger.kernel.org,
kernelnewbies <kernelnewbies@kernelnewbies.org>
Subject: Re: Seeking Assistance: Implementing USB Device Suspend/Resume in User Space Driver
Date: Wed, 8 May 2024 09:58:12 -0400 [thread overview]
Message-ID: <8bbace90-0978-47ad-b79b-50f95e741467@rowland.harvard.edu> (raw)
In-Reply-To: <CAHhAz+hGD95zoVbEQTvCq4jquBu+x-kv3n=x5Tb4V0mtQDXv7w@mail.gmail.com>
On Wed, May 08, 2024 at 11:08:11AM +0530, Muni Sekhar wrote:
> Thank you for the clear explanation on how to identify devices
> associated with root hubs.
> Could you please provide clarity on whether the root hub devices have
> attribute files in the devices sysfs directory? Upon checking the
> sysfs directory, I couldn't find any relevant information about these
> attribute files.
Root hubs have different names in sysfs from all other USB devices. The
root hub on bus N is named "usbN". For example, the root hub on bus 4
is named "usb4".
Alan Stern
next prev parent reply other threads:[~2024-05-08 13:58 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-06 11:14 Seeking Assistance: Implementing USB Device Suspend/Resume in User Space Driver Muni Sekhar
2024-05-06 14:29 ` Alan Stern
2024-05-06 16:14 ` Muni Sekhar
2024-05-06 19:50 ` Alan Stern
2024-05-07 11:44 ` Muni Sekhar
2024-05-07 14:20 ` Alan Stern
2024-05-07 16:38 ` Muni Sekhar
2024-05-07 17:51 ` Alan Stern
2024-05-08 5:38 ` Muni Sekhar
2024-05-08 13:58 ` Alan Stern [this message]
2024-05-13 17:44 ` Muni Sekhar
2024-05-13 18:09 ` Alan Stern
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