Messages in this thread Patch in this message | | | From | Marcin Wojtas <> | Subject | [PATCH 2/2] ACPI: SPCR: Add support for the new 16550-compatible Serial Port Subtype | Date | Wed, 14 Jul 2021 23:43:46 +0200 |
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The Microsoft Debug Port Table 2 (DBG2) specification revision May 31, 2017 added definition of the 16550-compatible Serial Port Subtype with parameters defined in Generic Address Structure (GAS) [1]
Add its support in the SPCR table parsing routine.
[1] https://docs.microsoft.com/en-us/windows-hardware/drivers/bringup/acpi-debug-port-table
Signed-off-by: Marcin Wojtas <mw@semihalf.com> --- drivers/acpi/spcr.c | 1 + 1 file changed, 1 insertion(+)
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
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