usb endpoint devices

usb endpoint devices

[Marco d'Itri]

They are in 2.6.18-rc4, which names should they use?
What do you think about this rule?

SUBSYSTEM="usb_endpoint",      PROGRAM="/bin/sh -c 'K=%k; E=$${K#*_}; K=$${K#usbdev}; K=$${K%%%%_*}; printf bus/usb/%%03i/%%03i_%%s $${K%%%%.*} $${K#*.} $$E'", \
                                NAME="%c"


DEVNAME='/dev/usbdev1.1_ep81'
DEVPATH='/devices/pci0000:00/0000:00:10.0/usb1/1-0:1.0/usbdev1.1_ep81'
SUBSYSTEM='usb_endpoint'

/dev/bus/usb/
|-- 001
|   |-- 001
|   `-- 001_ep81
...

-- 
ciao,
Marco

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Re: usb endpoint devices

[Kay Sievers]

On Sun, 2006-08-13 at 19:07 +0200, Marco d'Itri wrote:
> They are in 2.6.18-rc4, which names should they use?
> What do you think about this rule?
> 
> SUBSYSTEM="usb_endpoint",      PROGRAM="/bin/sh -c 'K=%k; E=$${K#*_}; K=$${K#usbdev}; K=$${K%%%%_*}; printf bus/usb/%%03i/%%03i_%%s $${K%%%%.*} $${K#*.} $$E'", \
>                                 NAME="%c"
> 
> 
> DEVNAME='/dev/usbdev1.1_ep81'
> DEVPATH='/devices/pci0000:00/0000:00:10.0/usb1/1-0:1.0/usbdev1.1_ep81'
> SUBSYSTEM='usb_endpoint'
> 
> /dev/bus/usb/
> |-- 001
> |   |-- 001
> |   `-- 001_ep81

They are not functional now, it's work-in-progress. And are you sure,
that this will not confuse libusb access? We should probably leave them
where they are, and not move them into the weird usbfs directory layout.

Kay


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Re: usb endpoint devices

[Greg KH]

On Sun, Aug 13, 2006 at 07:21:44PM +0200, Kay Sievers wrote:
> On Sun, 2006-08-13 at 19:07 +0200, Marco d'Itri wrote:
> > They are in 2.6.18-rc4, which names should they use?
> > What do you think about this rule?
> > 
> > SUBSYSTEM="usb_endpoint",      PROGRAM="/bin/sh -c 'K=%k; E=$${K#*_}; K=$${K#usbdev}; K=$${K%%%%_*}; printf bus/usb/%%03i/%%03i_%%s $${K%%%%.*} $${K#*.} $$E'", \
> >                                 NAME="%c"
> > 
> > 
> > DEVNAME='/dev/usbdev1.1_ep81'
> > DEVPATH='/devices/pci0000:00/0000:00:10.0/usb1/1-0:1.0/usbdev1.1_ep81'
> > SUBSYSTEM='usb_endpoint'
> > 
> > /dev/bus/usb/
> > |-- 001
> > |   |-- 001
> > |   `-- 001_ep81
> 
> They are not functional now, it's work-in-progress. And are you sure,
> that this will not confuse libusb access? We should probably leave them
> where they are, and not move them into the weird usbfs directory layout.

I agree, please leave them alone for now, we have not fully determined
how these will be used, and the kernel doesn't let you use those device
nodes at all just yet :)

thanks,

greg k-h

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