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From: Alan Stern <stern@rowland.harvard.edu>
To: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Cc: "Jacek Anaszewski" <j.anaszewski@samsung.com>,
	"Rafał Miłecki" <zajec5@gmail.com>,
	"Richard Purdie" <rpurdie@rpsys.net>,
	"Felipe Balbi" <balbi@kernel.org>,
	"Greg KH" <gregkh@linuxfoundation.org>,
	"Peter Chen" <hzpeterchen@gmail.com>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"Rafał Miłecki" <rafal@milecki.pl>,
	"Jonathan Corbet" <corbet@lwn.net>,
	"Ezequiel Garcia" <ezequiel@vanguardiasur.com.ar>,
	"Stephan Linz" <linz@li-pro.net>,
	"Matthias Brugger" <mbrugger@suse.com>,
	"Boris Brezillon" <boris.brezillon@free-electrons.com>,
	"Geert Uytterhoeven" <geert@linux-m68k.org>,
	"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
	"open list" <linux-kernel@vger.kernel.org>,
	"open list:LED SUBSYSTEM" <linux-leds@vger.kernel.org>
Subject: Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger
Date: Thu, 25 Aug 2016 16:08:14 -0400 (EDT)	[thread overview]
Message-ID: <Pine.LNX.4.44L0.1608251601090.1395-100000@iolanthe.rowland.org> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1608251521480.1395-100000@iolanthe.rowland.org>

On Thu, 25 Aug 2016, Alan Stern wrote:

> > Does the lsusb command do the mapping in the user space or maybe
> > it takes the names from kernel?
> 
> lsusb does the mapping in userspace, based on an ID database.  On my 
> system (Fedora), the database is /etc/udev/hwdb.bin.

There's also /usr/share/hwdata/usb.ids -- I don't know if or how the
two databases are related.  And there's /usr/lib/udev/hwdb.d/20-usb*.

Alan Stern

WARNING: multiple messages have this Message-ID (diff)
From: Alan Stern <stern@rowland.harvard.edu>
To: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Cc: "Jacek Anaszewski" <j.anaszewski@samsung.com>,
	"Rafał Miłecki" <zajec5@gmail.com>,
	"Richard Purdie" <rpurdie@rpsys.net>,
	"Felipe Balbi" <balbi@kernel.org>,
	"Greg KH" <gregkh@linuxfoundation.org>,
	"Peter Chen" <hzpeterchen@gmail.com>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"Rafał Miłecki" <rafal@milecki.pl>,
	"Jonathan Corbet" <corbet@lwn.net>,
	"Ezequiel Garcia" <ezequiel@vanguardiasur.com.ar>,
	"Stephan Linz" <linz@li-pro.net>,
	"Matthias Brugger" <mbrugger@suse.com>,
	"Boris Brezillon" <boris.brezillon@free-electrons.com>,
	"Geert Uytterhoeven" <geert@linux-m68k.org>,
	"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
	"open list" <linux-kernel@vger.kernel.org>,
	"open list:LED SUBSYSTEM" <linux-leds@vger.kernel.org>,
	"Pavel Machek" <pavel@ucw.cz>
Subject: Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger
Date: Thu, 25 Aug 2016 16:08:14 -0400 (EDT)	[thread overview]
Message-ID: <Pine.LNX.4.44L0.1608251601090.1395-100000@iolanthe.rowland.org> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1608251521480.1395-100000@iolanthe.rowland.org>

On Thu, 25 Aug 2016, Alan Stern wrote:

> > Does the lsusb command do the mapping in the user space or maybe
> > it takes the names from kernel?
> 
> lsusb does the mapping in userspace, based on an ID database.  On my 
> system (Fedora), the database is /etc/udev/hwdb.bin.

There's also /usr/share/hwdata/usb.ids -- I don't know if or how the
two databases are related.  And there's /usr/lib/udev/hwdb.d/20-usb*.

Alan Stern

  reply	other threads:[~2016-08-25 20:08 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-23 22:03 [PATCH V3] leds: trigger: Introduce an USB port trigger Rafał Miłecki
2016-08-23 22:03 ` Rafał Miłecki
2016-08-24  9:21 ` Greg KH
     [not found]   ` <20160824092129.GA23180-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2016-08-24  9:26     ` Rafał Miłecki
2016-08-24  9:26       ` Rafał Miłecki
2016-08-24 21:04       ` Greg KH
2016-08-24  9:22 ` Greg KH
2016-08-24  9:29   ` Rafał Miłecki
2016-08-24 21:04     ` Greg KH
2016-08-25  5:14       ` Rafał Miłecki
2016-08-25 12:53         ` Greg KH
2016-08-25 18:39           ` Bjørn Mork
2016-08-25 20:55             ` Greg KH
2016-08-24 10:49 ` Matthias Brugger
2016-08-24 11:02   ` Rafał Miłecki
2016-08-24 11:27     ` Matthias Brugger
2016-08-24 17:52 ` [PATCH RFC V3.5] " Rafał Miłecki
2016-08-24 17:52   ` Rafał Miłecki
2016-08-24 18:48   ` Bjørn Mork
2016-08-24 18:48     ` Bjørn Mork
2016-08-24 20:42     ` Rafał Miłecki
2016-08-25  8:03   ` Jacek Anaszewski
2016-08-25  8:27     ` Matthias Brugger
2016-08-25  8:29     ` Rafał Miłecki
2016-08-25  9:04       ` Jacek Anaszewski
2016-08-25 14:30         ` Alan Stern
2016-08-25 18:48           ` Jacek Anaszewski
2016-08-25 19:35             ` Alan Stern
2016-08-25 19:35               ` Alan Stern
2016-08-25 20:08               ` Alan Stern [this message]
2016-08-25 20:08                 ` Alan Stern
2016-08-26 15:58             ` Rafał Miłecki
2016-08-26 15:58               ` Rafał Miłecki
2016-08-29  7:41               ` Jacek Anaszewski
2016-08-29  8:05                 ` Pavel Machek
2016-08-29  8:05                   ` Pavel Machek
2016-08-29  8:21                   ` Rafał Miłecki
2016-08-29  8:21                     ` Rafał Miłecki
2016-08-29  8:41                     ` Pavel Machek
2016-08-29  8:41                       ` Pavel Machek
2016-08-29  9:01                       ` Rafał Miłecki
2016-08-29  9:01                         ` Rafał Miłecki
2016-08-26 19:50             ` Pavel Machek
2016-08-26 19:50               ` Pavel Machek
2016-08-29  8:29               ` Jacek Anaszewski
2016-08-26 19:48         ` Pavel Machek
2016-08-25  8:32     ` Rafał Miłecki

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