linux-kernel - [PATCH] ACPI: SPCR: Add support for NVIDIA 16550-compatible port subtype

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Message-ID: <20220311165310.60418-1-jonathanh@nvidia.com>
Date:   Fri, 11 Mar 2022 16:53:10 +0000
From:   Jon Hunter <jonathanh@...dia.com>
To:     "Rafael J . Wysocki" <rafael@...nel.org>
CC:     <linux-acpi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Jeff Brasen <jbrasen@...dia.com>,
        Jon Hunter <jonathanh@...dia.com>
Subject: [PATCH] ACPI: SPCR: Add support for NVIDIA 16550-compatible port subtype

From: Jeff Brasen <jbrasen@...dia.com>

Add support for the NVIDIA specific 16550 subtype to SPCR table parsing
routine.

Signed-off-by: Jeff Brasen <jbrasen@...dia.com>
Signed-off-by: Jon Hunter <jonathanh@...dia.com>
---
 drivers/acpi/spcr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c
index d589543875b8..1eabfcd122ee 100644
--- a/drivers/acpi/spcr.c
+++ b/drivers/acpi/spcr.c
@@ -142,6 +142,7 @@ int __init acpi_parse_spcr(bool enable_earlycon, bool enable_console)
 	case ACPI_DBG2_16550_COMPATIBLE:
 	case ACPI_DBG2_16550_SUBSET:
 	case ACPI_DBG2_16550_WITH_GAS:
+	case ACPI_DBG2_16550_NVIDIA:
 		uart = "uart";
 		break;
 	default:
-- 
2.25.1