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platform/x86: surface3-wmi: Shut up unused-function warning

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The newly added driver guards its "resume" callback with an
warning in some configurations:

drivers/platform/x86/surface3-wmi.c:248:12: error: 's3_wmi_resume' defined but not used [-Werror=unused-function]

Using a __maybe_unused annotation without an #ifdef avoids the mistake more
reliably.

Fixes: 3dda3b3798f9 ("platform/x86: Add custom surface3 platform device for controlling LID")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This commit is contained in:
Arnd Bergmann 2017-01-10 16:28:47 +01:00 committed by Andy Shevchenko
parent 63d762b88c
commit 44e6861646
1 changed files with 1 additions and 3 deletions
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4
drivers/platform/x86/surface3-wmi.c
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@ -244,13 +244,11 @@ static int s3_wmi_remove(struct platform_device *device)
return 0;
}
#ifdef CONFIG_PM
static int s3_wmi_resume(struct device *dev)
static int __maybe_unused s3_wmi_resume(struct device *dev)
{
s3_wmi_send_lid_state();
return 0;
}
#endif
static SIMPLE_DEV_PM_OPS(s3_wmi_pm, NULL, s3_wmi_resume);
static struct platform_driver s3_wmi_driver = {