Dear Greg Kroah-Hartman, On Mon, 7 Jan 2013 09:23:40 -0800, Greg Kroah-Hartman wrote:
> > Not having a kernel driver means that gazillions of applications > > re-invent the same piece of code over and over again, have to hardcode > > the GPIO numbers for a given piece of hardware, while the kernel > > abstract all of this very nicely. > > That sounds like a wonderful use of a userspace library to do this > properly. Much like libusb does, right? > > I still think as this can be done in userspace, it probably should be. So that's why we have drivers/usb/misc/usbsevseg.c in the kernel, which uses sysfs files to output text or numbers on a 7-segment display, while it could all be done using libusb from userspace? Seems like back in 2008 you Signed-off-by on the patch adding this driver :-) Thomas -- Thomas Petazzoni, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com _______________________________________________ devicetree-discuss mailing list devicetree-discuss@lists.ozlabs.org https://lists.ozlabs.org/listinfo/devicetree-discuss