linux-kernel - [PATCH] ACPI: Do not enable ACPI SPCR console by default on arm64

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Date: Thu, 30 May 2024 09:53:32 +0800
From: Liu Wei <liuwei09@...tc.cn>
To: catalin.marinas@....com,
	will@...nel.org
Cc: prarit@...hat.com, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, liuwei09.cestc.cn@...loud.com,
	Liu Wei <liuwei09@...tc.cn>
Subject: [PATCH] ACPI: Do not enable ACPI SPCR console by default on arm64

Consistency with x86 and loongarch, don't enable ACPI SPCR console
by default on arm64

Signed-off-by: Liu Wei <liuwei09@...tc.cn>
---
 arch/arm64/kernel/acpi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
index dba8fcec7f33..1deda3e5a0d2 100644
--- a/arch/arm64/kernel/acpi.c
+++ b/arch/arm64/kernel/acpi.c
@@ -227,7 +227,8 @@ void __init acpi_boot_table_init(void)
 		if (earlycon_acpi_spcr_enable)
 			early_init_dt_scan_chosen_stdout();
 	} else {
-		acpi_parse_spcr(earlycon_acpi_spcr_enable, true);
+		/* Do not enable ACPI SPCR console by default */
+		acpi_parse_spcr(earlycon_acpi_spcr_enable, false);
 		if (IS_ENABLED(CONFIG_ACPI_BGRT))
 			acpi_table_parse(ACPI_SIG_BGRT, acpi_parse_bgrt);
 	}
-- 
2.42.1