From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750991AbdAPObg (ORCPT ); Mon, 16 Jan 2017 09:31:36 -0500 Received: from mail-wm0-f67.google.com ([74.125.82.67]:35709 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750817AbdAPObe (ORCPT ); Mon, 16 Jan 2017 09:31:34 -0500 From: Augusto Mecking Caringi To: David Cohen Cc: Augusto Mecking Caringi , Linus Walleij , Alexandre Courbot , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] gpio: intel-mid: Fix build warning when !CONFIG_PM Date: Mon, 16 Jan 2017 14:30:41 +0000 Message-Id: <1484577077-13418-1-git-send-email-augustocaringi@gmail.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The only usage of function intel_gpio_runtime_idle() is here (in the same file): static const struct dev_pm_ops intel_gpio_pm_ops = { SET_RUNTIME_PM_OPS(NULL, NULL, intel_gpio_runtime_idle) }; And when CONFIG_PM is not set, the macro SET_RUNTIME_PM_OPS expands to nothing, causing the following compiler warning: drivers/gpio/gpio-intel-mid.c:324:12: warning: ‘intel_gpio_runtime_idle’ defined but not used [-Wunused-function] static int intel_gpio_runtime_idle(struct device *dev) Fix it by annotating the function with __maybe_unused. Signed-off-by: Augusto Mecking Caringi --- drivers/gpio/gpio-intel-mid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-intel-mid.c b/drivers/gpio/gpio-intel-mid.c index a1e44c2..b76ecee 100644 --- a/drivers/gpio/gpio-intel-mid.c +++ b/drivers/gpio/gpio-intel-mid.c @@ -321,7 +321,7 @@ static void intel_mid_irq_init_hw(struct intel_mid_gpio *priv) } } -static int intel_gpio_runtime_idle(struct device *dev) +static int __maybe_unused intel_gpio_runtime_idle(struct device *dev) { int err = pm_schedule_suspend(dev, 500); return err ?: -EBUSY; -- 2.7.4