mdev and post 3.6 kernels

Michael Tokarev mjt at
Mon Feb 10 06:29:20 UTC 2014

09.02.2014 05:28, Michael J. Hammel wrote:
> I've been using 3.2.27 from the RPi repos with mdev and usbfs.  This
> worked fine to load drivers for wifi and webcams.  I'm trying to move to
> RPi's "3.10.y" branch.  I've found that usbfs is deprecated and now I'm
> not sure how to find the usb devices and load the drivers.  mdev doesn't
> seem to report them.  I have it log every event at boot time and the usb
> devices don't show up.  
> Does anyone know if there are kernel config options that need to be
> enabled in 3.6+ (when usbfs was deprecated) for mdev to be notified of
> usb devices at boot time?  Or maybe suggestions on what mdev should be
> looking at to find them?  I could dig into mdev but I'm not sure where
> it should be looking for the devices.  lsusb shows them.  

How about actually loading usb _controller_ drivers before trying to
look up devices on usb bus?  Such as ehci_pci?

(this has nothing to do with usbfs btw).



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