Apologies for the patch prefix, of course it's a first version and unrelated to the networking subsystem. Best regards, Marcin pon., 21 cze 2021 o 22:05 Marcin Wojtas <mw@xxxxxxxxxxxx> napisał(a): > > The Microsoft Debug Port Table 2 (DBG2) specification revision > May 31, 2017 adds support for 16550-compatible Serial Port > Subtype with parameters defined in Generic Address Structure (GAS) [1] > > Add its support in SPCR parsing routine. > > [1] https://docs.microsoft.com/en-us/windows-hardware/drivers/bringup/acpi-debug-port-table > > Signed-off-by: Marcin Wojtas <mw@xxxxxxxxxxxx> > --- > include/acpi/actbl1.h | 1 + > drivers/acpi/spcr.c | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h > index ce59903c2695..f746012eba8d 100644 > --- a/include/acpi/actbl1.h > +++ b/include/acpi/actbl1.h > @@ -498,6 +498,7 @@ struct acpi_dbg2_device { > #define ACPI_DBG2_ARM_SBSA_GENERIC 0x000E > #define ACPI_DBG2_ARM_DCC 0x000F > #define ACPI_DBG2_BCM2835 0x0010 > +#define ACPI_DBG2_16550_WITH_GAS 0x0012 > > #define ACPI_DBG2_1394_STANDARD 0x0000 > > diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c > index 88460bacd5ae..25c2d0be953e 100644 > --- a/drivers/acpi/spcr.c > +++ b/drivers/acpi/spcr.c > @@ -136,6 +136,7 @@ int __init acpi_parse_spcr(bool enable_earlycon, bool enable_console) > break; > case ACPI_DBG2_16550_COMPATIBLE: > case ACPI_DBG2_16550_SUBSET: > + case ACPI_DBG2_16550_WITH_GAS: > uart = "uart"; > break; > default: > -- > 2.29.0 >