On Sat, Dec 25, 2021 at 5:35 AM Yunjie Gu via Xenomai <xenomai@xenomai.org> wrote:
> Hi Everyone, > > I'm trying to use rtdm spi on raspberry pi, and I find something confusing. > I could see there are two spi-bcm2835.c files in the kernel source (after > xenomai patching), one with rtdm, and one native. But these two drivers use > the same .compatible = "brcm,bcm2835-spi", which means the device-tree > cannot distinguish them. Does this mean I have to manually disable the > native spi driver in Kconfig to avoid binding conflicts if I want to use > the rtdm one? > > Best Regards, > Yunjie Yes, the native driver needs to be disabled. I usually unbind the native driver manually when doing development. I’ve never tried the method you described above but I can’t see why it wouldn’t work. Thanks Greg > >
