> Hi Bernd, > > On Mon, Dec 17, 2012 at 08:28:48AM +0100, Bernd Krumboeck wrote: >> Why there is no patch for any usb can device? > > Because USB canbus interfaces usually already has some dedicated > activity LED on the device itself, while this patch is meant to give an > equivalent functionality for Embedded SoC with GPIO based LEDs, so I > just started by modifying some Embedded CAN drivers. > > If you think it's useful for USB controller, just tell me or modify the > driver by yourself! As you see the patch is really easy.
At least it is useful for the usb_8dev driver. I'll write a patch. Photo of the device: http://www.8devices.com/product/2/usb2can >> Can this be done in a more general way, except patching every driver? > > Actually this started as a generic patch bolted to the CAN stack, but > the implementation was too invasive and a bit too hacky. A generic > implementation at can-dev level is hard to obtain because the can-dev > layer is not used in all the device operation, as the most of the driver > calls generick network API directly. > Thanks! regards, Bernd -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
