On Fri, Jan 25, 2019 at 06:07:57PM +0000, Andre Przywara wrote: > The DT spec describes the stdout-path property in the /chosen node to > contain the DT path for a default device usable for outputting characters. > The Linux kernel uses this for earlycon (without further parameters), > other DT users might rely on this as well. > > Add a property containing the path to our emulated 8250 serial device. > > Even when we use the virtio console, the serial console is still there > and works, so we can expose this unconditionally. Putting the virtio > console path in there will not work anyway. > > Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx> > --- > arm/fdt.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arm/fdt.c b/arm/fdt.c > index 28ba1c2c..8cda3ded 100644 > --- a/arm/fdt.c > +++ b/arm/fdt.c > @@ -143,6 +143,7 @@ static int setup_fdt(struct kvm *kvm) > _FDT(fdt_property_cell(fdt, "linux,pci-probe-only", 1)); > _FDT(fdt_property_string(fdt, "bootargs", kvm->cfg.real_cmdline)); > _FDT(fdt_property_u64(fdt, "kaslr-seed", kvm->cfg.arch.kaslr_seed)); > + _FDT(fdt_property_string(fdt, "stdout-path", "/U6_16550A@3f8")); Since the last string here has to match the one in hw/serial.c, I think we should be retrieving it from there rather than hardcoding it here. Will
