linux-kernel - [PATCH] ACPI: s2idle: fix section mismatch warning

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Date:   Thu,  1 Jun 2023 23:33:15 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Len Brown <lenb@...nel.org>,
        Manyi Li <limanyi@...ontech.com>,
        Juergen Gross <jgross@...e.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Simon Gaiser <simon@...isiblethingslab.com>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ACPI: s2idle: fix section mismatch warning

From: Arnd Bergmann <arnd@...db.de>

The acpi_sleep_suspend_setup() function is missing an __init annotation,
which causes a warning in rare configurations that end up not inlining
it into its caller:

WARNING: modpost: vmlinux.o: section mismatch in reference: acpi_sleep_suspend_setup (section: .text) -> acpi_s2idle_setup (section: .init.text)

It's only called from an __init function, so adding the annotation is
correct here.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/acpi/sleep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 72470b9f16c45..552adc04743b5 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -840,7 +840,7 @@ void __weak acpi_s2idle_setup(void)
 	s2idle_set_ops(&acpi_s2idle_ops);
 }
 
-static void acpi_sleep_suspend_setup(void)
+static void __init acpi_sleep_suspend_setup(void)
 {
 	bool suspend_ops_needed = false;
 	int i;
-- 
2.39.2