The newly added driver guards its "resume" callback with an #ifdef CONFIG_PM
that should be CONFIG_PM_SLEEP instead, leading to a 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@xxxxxxxx>
---
drivers/platform/x86/surface3-wmi.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/platform/x86/surface3-wmi.c b/drivers/platform/x86/surface3-wmi.c
index cbf4d83a7271..6ac1d1349d7e 100644
--- a/drivers/platform/x86/surface3-wmi.c
+++ b/drivers/platform/x86/surface3-wmi.c
@@ -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 = {
--
2.9.0
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