linux-kernel - Re: [PATCH 7/8] USB: testusb: imported David Brownell's USB testing application

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Message-ID: <20100408063403.GA9915@esdhcp042221.research.nokia.com>
Date:	Thu, 8 Apr 2010 09:34:03 +0300
From:	Heikki Krogerus <ext-heikki.krogerus@...ia.com>
To:	ext Greg KH <greg@...ah.com>
Cc:	ext Michal Nazarewicz <m.nazarewicz@...sung.com>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	Peter Korsgaard <jacmet@...site.dk>,
	Rupesh Gujare <rupeshgujare@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH 7/8] USB: testusb: imported David Brownell's USB
 testing application

On Thu, Apr 08, 2010 at 08:18:46AM +0200, ext Greg KH wrote:
> On Thu, Apr 08, 2010 at 09:10:00AM +0300, Heikki Krogerus wrote:
> > Hi,
> > 
> > If this is going into kernel then..
> > 
> > On Wed, Apr 07, 2010 at 03:41:34PM +0200, ext Michal Nazarewicz wrote:
> > 
> > ...
> > 
> > > +       if ((c = open ("/proc/bus/usb/devices", O_RDONLY)) < 0) {
> > > +               fputs ("usbfs files are missing\n", stderr);
> > > +               return -1;
> > > +       }
> > 
> > Is this needed?
> > 
> > > +
> > > +       /* collect and list the test devices */
> > > +       if (ftw ("/proc/bus/usb", find_testdev, 3) != 0) {
> > 
> > How about "/dev/bus/usb" instead? Some distributions do not enable
> > sysfs in their default kernels anymore.
> 
> You mean 'usbfs' not 'sysfs', right?

Yes, usbfs of cource :)

-- 
heikki
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