From b51e3f5ad5b2618702d689942dfaf7b15ea5eba4 Mon Sep 17 00:00:00 2001 From: Paul Bolle Date: Tue, 3 Feb 2015 21:05:50 +0100 Subject: [PATCH] sprd_serial: compile sprd_suspend and sprd_resume conditionally MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Building sprd_serial.o when CONFIG_PM_SLEEP is not defined triggers these warnings: drivers/tty/serial/sprd_serial.c:755:12: warning: ‘sprd_suspend’ defined but not used [-Wunused-function] static int sprd_suspend(struct device *dev) ^ drivers/tty/serial/sprd_serial.c:764:12: warning: ‘sprd_resume’ defined but not used [-Wunused-function] static int sprd_resume(struct device *dev) ^ Let's compile these functions only when CONFIG_PM_SLEEP is defined. Signed-off-by: Paul Bolle Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/sprd_serial.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/tty/serial/sprd_serial.c b/drivers/tty/serial/sprd_serial.c index 594b633..be3ed3f 100644 --- a/drivers/tty/serial/sprd_serial.c +++ b/drivers/tty/serial/sprd_serial.c @@ -752,6 +752,7 @@ static int sprd_probe(struct platform_device *pdev) return ret; } +#ifdef CONFIG_PM_SLEEP static int sprd_suspend(struct device *dev) { struct sprd_uart_port *sup = dev_get_drvdata(dev); @@ -769,6 +770,7 @@ static int sprd_resume(struct device *dev) return 0; } +#endif static SIMPLE_DEV_PM_OPS(sprd_pm_ops, sprd_suspend, sprd_resume); -- 2.7.4