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gpio: gpio-mlxbf2: Tell the compiler that ACPI functions may not be use 

... as is the case when !CONFIG_ACPI.

Fixes the following W=1 kernel build warning:

 drivers/gpio/gpio-mlxbf2.c:312:36: warning: ‘mlxbf2_gpio_acpi_match’ defined but not used [-Wunused-const-variable=]
 312 | static const struct acpi_device_id mlxbf2_gpio_acpi_match[] = {
 | ^~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Asmaa Mnebhi <asmaa@mellanox.com>
Cc: Asmaa Mnebhi <Asmaa@mellanox.com>
Link: https://lore.kernel.org/r/20200630133345.2232932-10-lee.jones@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Lee Jones 2020-06-30 14:33:44 +01:00 committed by Linus Walleij
parent 6ac2de953b
commit 2f9bce5f38
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpio-mlxbf2.c
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@ -309,7 +309,7 @@ static int mlxbf2_gpio_resume(struct platform_device *pdev)
}
#endif
static const struct acpi_device_id mlxbf2_gpio_acpi_match[] = {
static const struct acpi_device_id __maybe_unused mlxbf2_gpio_acpi_match[] = {
{ "MLNXBF22", 0 },
{},
};