Re: [Libusb-devel] Patch: libusb/os/linux_usbfs.c: Distingush between usbfs and other kernel mode drivers

[Xiaofan C. <xia...@gm...>]

On Wed, Oct 6, 2010 at 1:18 PM, Peter Stuge <pe...@st...> wrote:
> Xiaofan Chen wrote:
>> I do not think "usbfs" is a valid kernel driver name.
>
> It *is* the name of the kernel driver which is handling the device..
>
> Just like Windows needs libusb0.sys or WinUSB.sys Linux needs usbfs.
> If I build a kernel *without* usbfs (CONFIG_USBFS=n) then I will not
> be able to use libusb with that kernel.
>
> Also note /sys/bus/usb/drivers/usbfs/
>

Okay I will take a look again. In this case, the patch is good.

Still I am not that convinced that "usbfs" is really a kernel driver,
at least not in the typically meaning of "driver", rather it is part
of the USB core which is exposed to the user space. Maybe Alan
Stern (or Greg KH) can shed some light no this.


-- 
Xiaofan