linux-kernel - [PATCH 2/3] misc: eeprom: at24: Tell the compiler that ACPI functions may not be used

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Message-Id: <20200708125711.3443569-3-lee.jones@linaro.org>
Date:   Wed,  8 Jul 2020 13:57:10 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     arnd@...db.de, gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH 2/3] misc: eeprom: at24: Tell the compiler that ACPI functions may not be used

... as is the case when !CONFIG_ACPI.

Fixes the following W=1 kernel build warning:

 drivers/misc/eeprom/at24.c:228:36: warning: ‘at24_acpi_ids’ defined but not used [-Wunused-const-variable=]

Signed-off-by: Lee Jones <lee.jones@...aro.org>
Acked-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 drivers/misc/eeprom/at24.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index 9ff18d4961ceb..2591c21b2b5d8 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -225,7 +225,7 @@ static const struct of_device_id at24_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, at24_of_match);
 
-static const struct acpi_device_id at24_acpi_ids[] = {
+static const struct acpi_device_id __maybe_unused at24_acpi_ids[] = {
 	{ "INT3499",	(kernel_ulong_t)&at24_data_INT3499 },
 	{ "TPF0001",	(kernel_ulong_t)&at24_data_24c1024 },
 	{ /* END OF LIST */ }
-- 
2.25.1