Gotcha, thanks for replying Alan So is that the final word, you can't bind devices to drivers via the shell ? You have to compile a program in order to bind a device to a driver ?
Does this conflict with http://lwn.net/Articles/143397/ ? It's just that I am OK with bash but haven't done much C/C++ For the device I am using I already have the binary that talks to libusb. And I already have a running implementation of libusb. I thought that all I was missing was having the device tied to usbfs so that libusb could use it ( am I right in the asumption that libusb needs to work through usbfs rather than the other drivers ? ) "Device tied to USBFS" (missing) ----> "Libusb in place" (got it) ----> "Binary which talks to libusb" (got it) Thanks once again Nick On Mon, 4 Feb 2008 10:36:51 -0500 (EST), Alan Stern <[EMAIL PROTECTED]> wrote: > On Mon, 4 Feb 2008, Nick Frantzen wrote: > >> Hi Guys ( and girls ), >> From the "teach a man to fish" train of thought I've done lots of > homework >> but I still can't get manual USB driver binding to work!! You guys are > my >> last resort, please help me to understand what's happening here. >> >> I need to be able to bind a device to the /sys/bus/usb/drivers/usbfs > driver >> instead of the /sys/bus/usb/drivers/usb driver. >> This is because the device that I am connecting uses libusb and libusb > needs >> to talk through the usbfs driver. >> >> I can use the following command to succesfully unbind the device from > the >> /sys/bus/usb/drivers/usb driver: >> [EMAIL PROTECTED] /]# echo -n "3-1" > /sys/bus/usb/drivers/usb/unbind >> The "driver" symlink disappears showing that the unbind works, all good. > > No, not good. You must not unbind this driver if you want to use the > device. > >> But... the following command to bind to the new driver throws an error: >> [EMAIL PROTECTED] /]# echo -n "3-1" > /sys/bus/usb/drivers/usbfs/bind >> -bash: echo: write error: No such device > > That's because you don't bind usbfs to a device through sysfs. You > bind it by running a program that calls the USBDEVFS_CLAIMINTERFACE > ioctl. > > Alan Stern - To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
