From b23ec59926faf05b0c43680d05671c484e810ac4 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Mon, 9 Jul 2018 21:47:27 +0300 Subject: [PATCH] gpiolib: Mark gpio_suffixes array with __maybe_unused MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Since we put static variable to a header file it's copied to each module that includes the header. But not all of them are actually used it. Mark gpio_suffixes array with __maybe_unused to hide a compiler warning: In file included from drivers/gpio/gpiolib-legacy.c:6:0: drivers/gpio/gpiolib.h:95:27: warning: ‘gpio_suffixes’ defined but not used [-Wunused-const-variable=] static const char * const gpio_suffixes[] = { "gpios", "gpio" }; ^~~~~~~~~~~~~ In file included from drivers/gpio/gpiolib-devprop.c:17:0: drivers/gpio/gpiolib.h:95:27: warning: ‘gpio_suffixes’ defined but not used [-Wunused-const-variable=] static const char * const gpio_suffixes[] = { "gpios", "gpio" }; ^~~~~~~~~~~~~ Signed-off-by: Andy Shevchenko Signed-off-by: Linus Walleij --- drivers/gpio/gpiolib.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h index 1a8e203..a7e49fef 100644 --- a/drivers/gpio/gpiolib.h +++ b/drivers/gpio/gpiolib.h @@ -92,7 +92,7 @@ struct acpi_gpio_info { }; /* gpio suffixes used for ACPI and device tree lookup */ -static const char * const gpio_suffixes[] = { "gpios", "gpio" }; +static __maybe_unused const char * const gpio_suffixes[] = { "gpios", "gpio" }; #ifdef CONFIG_OF_GPIO struct gpio_desc *of_find_gpio(struct device *dev, -- 2.7.4