linux-kernel - [PATCH] ACPICA: Export mutex functions

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Date:   Wed, 12 Apr 2017 08:13:10 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Robert Moore <robert.moore@...el.com>,
        Lv Zheng <lv.zheng@...el.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Len Brown <lenb@...nel.org>
Cc:     linux-acpi@...r.kernel.org, devel@...ica.org,
        linux-kernel@...r.kernel.org, Guenter Roeck <linux@...ck-us.net>
Subject: [PATCH] ACPICA: Export mutex functions

Mutex functions may be needed by drivers. Examples are accesses to Super-IO
SIO registers (0x2e/0x2f or 0x4e/0x4f) or Super-IO environmental monitor
registers, both which may also be accessed through DSDT.

Signed-off-by: Guenter Roeck <linux@...ck-us.net>
---
 drivers/acpi/acpica/utxfmutex.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/acpi/acpica/utxfmutex.c b/drivers/acpi/acpica/utxfmutex.c
index c016211c35ae..5d20581f4b2f 100644
--- a/drivers/acpi/acpica/utxfmutex.c
+++ b/drivers/acpi/acpica/utxfmutex.c
@@ -150,6 +150,7 @@ acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout)
 	status = acpi_os_acquire_mutex(mutex_obj->mutex.os_mutex, timeout);
 	return (status);
 }
+ACPI_EXPORT_SYMBOL(acpi_acquire_mutex)
 
 /*******************************************************************************
  *
@@ -185,3 +186,4 @@ acpi_status acpi_release_mutex(acpi_handle handle, acpi_string pathname)
 	acpi_os_release_mutex(mutex_obj->mutex.os_mutex);
 	return (AE_OK);
 }
+ACPI_EXPORT_SYMBOL(acpi_release_mutex)
-- 
2.7.4