linux-kernel - [PATCH 06/20] include: input: elan-i2c-ids: Mark 'elan_acpi_id' as __maybe

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Date:   Wed,  4 Nov 2020 16:24:13 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     lee.jones@...aro.org
Cc:     linux-kernel@...r.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        dusonlin@....com.tw, KT Liao <kt.liao@....com.tw>,
        linux-input@...r.kernel.org
Subject: [PATCH 06/20] include: input: elan-i2c-ids: Mark 'elan_acpi_id' as __maybe_unused

Some drivers which include 'elan-i2c-ids.h' make use of
'elan_acpi_id', but not all do.  Tell the compiler that this is
expected behaviour.

Fixes the following W=1 kernel build warning(s):

 include/linux/input/elan-i2c-ids.h:26:36: warning: ‘elan_acpi_id’ defined but not used [-Wunused-const-variable=]

Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc: dusonlin@....com.tw
Cc: KT Liao <kt.liao@....com.tw>
Cc: linux-input@...r.kernel.org
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 include/linux/input/elan-i2c-ids.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/input/elan-i2c-ids.h b/include/linux/input/elan-i2c-ids.h
index 520858d126808..b6976d99b6b75 100644
--- a/include/linux/input/elan-i2c-ids.h
+++ b/include/linux/input/elan-i2c-ids.h
@@ -23,7 +23,7 @@
 
 #include <linux/mod_devicetable.h>
 
-static const struct acpi_device_id elan_acpi_id[] = {
+static const struct acpi_device_id __maybe_unused elan_acpi_id[] = {
 	{ "ELAN0000", 0 },
 	{ "ELAN0100", 0 },
 	{ "ELAN0600", 0 },
-- 
2.25.1