Hello Uwe, On 9/18/20 1:04 PM, Uwe Kleine-König wrote: > For most machines having DRIVER_SERIAL_NS16550 and DRIVER_SERIAL_EFI_STDIO > both enabled results in the output appearing twice on the serial output. > So remove disable the lowlevel driver and rely on the EFI bios for serial. On the flip-side, some systems now won't output anything over serial with the defconfig, like the one I just ran into. Maybe we should keep both enabled, but have a quirk table, which boards to disable the 16550 for? My board is EFI v2.40 by American Megatrends v327691". What's yours? barebox@barebox EFI payload:/ devinfo acpi-FACP0 [...] Revision: 5 OemId: ALASKA OemTableId: A M I OemRevision: 17244169 CreatorId: 0x20494d41 CreatorRevision: 65555 What's yours? Cheers, Ahmad > Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> > --- > arch/x86/configs/efi_defconfig | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/arch/x86/configs/efi_defconfig b/arch/x86/configs/efi_defconfig > index 99bc39eaa6f1..83794d7a0702 100644 > --- a/arch/x86/configs/efi_defconfig > +++ b/arch/x86/configs/efi_defconfig > @@ -65,7 +65,6 @@ CONFIG_NET=y > CONFIG_NET_NFS=y > CONFIG_NET_NETCONSOLE=y > CONFIG_DRIVER_SERIAL_EFI_STDIO=y > -CONFIG_DRIVER_SERIAL_NS16550=y > CONFIG_DRIVER_NET_EFI_SNP=y > # CONFIG_SPI is not set > CONFIG_DISK=y > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
