linux-kernel - [PATCH] ACPI: fix undeclared variable warnings by including sleep.h

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Date:   Mon,  3 Jul 2023 13:48:31 +0100
From:   Ben Dooks <ben.dooks@...ethink.co.uk>
To:     linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Cc:     lenb@...nel.org, Ben Dooks <ben.dooks@...ethink.co.uk>
Subject: [PATCH] ACPI: fix undeclared variable warnings by including sleep.h

There are two pieces of data being exported from drivers/acpi/scan.c
(acpi_device_lock and acpi_wakeup_device_list) that don't have their
definitions declared in anything scan.c is including.

Fix the following sparse warnings by including sleep.h to add the
declarations of acpi_device_lock and acpi_wakeup_device_list to
fix the followng sparse warnings:

drivers/acpi/scan.c:42:1: warning: symbol 'acpi_device_lock' was not declared. Should it be static?
drivers/acpi/scan.c:43:1: warning: symbol 'acpi_wakeup_device_list' was not declared. Should it be static?

Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk>
---
 drivers/acpi/scan.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 1c3e1e2bb0b5..9556aff69453 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -23,6 +23,7 @@
 #include <linux/dma-direct.h>

 #include "internal.h"
+#include "sleep.h"

 extern struct acpi_device *acpi_root;

-- 
2.40.1