On Tue, Sep 04, 2007 at 06:44:30AM -0400, Felipe Balbi wrote:
> Hi Greg,
>
> On 9/3/07, Greg KH <greg@xxxxxxxxx> wrote:
> > On Mon, Sep 03, 2007 at 04:22:40PM -0400, Felipe Balbi wrote:
> > > Hi
> > >
> > > On 9/3/07, Greg KH <greg@xxxxxxxxx> wrote:
> > > > On Mon, Sep 03, 2007 at 10:40:10AM -0400, Felipe Balbi wrote:
> > > > > Hello all,
> > > > >
> > > > > How could I create a new directory under sysfs??
> > > > >
> > > > > I want to create the following directory structure for usb devices:
> > > > >
> > > > > $PWD = /sys/class/usb_device/usbdevB.D/device
> > > > >
> > > > > ls $PWD/otg
> > > > > (some attributes will go here)
> > > > >
> > > > > ls $PWD/otg/whitelist
> > > > > (other attributes will go here)
> > > > >
> > > > > How could I create directories 'otg' and 'otg/whitelist' ??
> > > >
> > > > Why do you want to create subdirectories for all usb devices?
> > > >
> > > > Anyway, just use the sysfs_create_dir() if you really want to do this
> > > > (and I think, in the end, you really don't, but that conversation should
> > > > be on the linux-usb-devel mailing list where you present what you feel
> > > > these extra sysfs files will do for you...)
> > >
> > > Thanks Greg...
> > >
> > > I'll sending a preliminary patch series soon... I hope you all
> > > understand why I need such new directories ;-)
> >
> > I really do not. If you have OTG specific attributes that are
> > applicable for this specific USB device, just put them in the same
> > directory as the device itself. No subdir needed at all. If you have
> > namespace conflicts with files already in that directory, just use a
> > common prefix ("otg_" perhaps?)
>
> This is not only for this device... this would apply to any USB OTG
> Controller/transceiver...
Then don't put them below a device, put them below the
controller/transceiver :)
> The attributes I'll be exporting will ease the activities during usb
> certification.
>
> I'll finish those patches and send to you privately... they're not
> ready to be published yet ;-)
No, please send them to the linux-usb-devel list, that's the best place
for review.
thanks,
greg k-h
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