linux-kernel - [PATCH 08/10] gpio: gpio-mlxbf: Tell the compiler that ACPI functions may not be used

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Message-Id: <20200630133345.2232932-9-lee.jones@linaro.org>
Date:   Tue, 30 Jun 2020 14:33:43 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     linus.walleij@...aro.org, bgolaszewski@...libre.com
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
        Shravan Kumar Ramani <sramani@...lanox.com>
Subject: [PATCH 08/10] gpio: gpio-mlxbf: 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/gpio/gpio-mlxbf.c:130:36: warning: ‘mlxbf_gpio_acpi_match’ defined but not used [-Wunused-const-variable=]
 130 | static const struct acpi_device_id mlxbf_gpio_acpi_match[] = {
 | ^~~~~~~~~~~~~~~~~~~~~

Cc: Shravan Kumar Ramani <sramani@...lanox.com>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/gpio/gpio-mlxbf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-mlxbf.c b/drivers/gpio/gpio-mlxbf.c
index 894aaf55fc96c..1fa9973f55b96 100644
--- a/drivers/gpio/gpio-mlxbf.c
+++ b/drivers/gpio/gpio-mlxbf.c
@@ -127,7 +127,7 @@ static int mlxbf_gpio_resume(struct platform_device *pdev)
 }
 #endif
 
-static const struct acpi_device_id mlxbf_gpio_acpi_match[] = {
+static const struct acpi_device_id __maybe_unused mlxbf_gpio_acpi_match[] = {
 	{ "MLNXBF02", 0 },
 	{}
 };
-- 
2.25.1