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sprd_serial: compile sprd_suspend and sprd_resume conditionally

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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 <pebolle@tiscali.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Paul Bolle 2015-02-03 21:05:50 +01:00 committed by Greg Kroah-Hartman
parent ad3d4fdc8e
commit b51e3f5ad5
1 changed files with 2 additions and 0 deletions
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2
drivers/tty/serial/sprd_serial.c
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@ -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);