On 1/3/21 3:04 PM, Arnd Bergmann wrote:
From: Arnd Bergmann <[email protected]>

When CONFIG_PM is disabled, the compiler produces harmless warnings:

drivers/platform/surface/surface_gpe.c:184:12: error: unused function 
'surface_gpe_suspend' [-Werror,-Wunused-function]
static int surface_gpe_suspend(struct device *dev)
drivers/platform/surface/surface_gpe.c:189:12: error: unused function 
'surface_gpe_resume' [-Werror,-Wunused-function]
static int surface_gpe_resume(struct device *dev)

Mark these as __maybe_unused to shut up the warning.

Fixes: 274335f1c557 ("platform/surface: Add Driver to set up lid GPEs on MS Surface 
device")
Signed-off-by: Arnd Bergmann <[email protected]>
---
  drivers/platform/surface/surface_gpe.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/surface/surface_gpe.c 
b/drivers/platform/surface/surface_gpe.c
index e49e5d6d5d4e..86f6991b1215 100644
--- a/drivers/platform/surface/surface_gpe.c
+++ b/drivers/platform/surface/surface_gpe.c
@@ -181,12 +181,12 @@ static int surface_lid_enable_wakeup(struct device *dev, 
bool enable)
        return 0;
  }
-static int surface_gpe_suspend(struct device *dev)
+static int __maybe_unused surface_gpe_suspend(struct device *dev)
  {
        return surface_lid_enable_wakeup(dev, true);
  }
-static int surface_gpe_resume(struct device *dev)
+static int __maybe_unused surface_gpe_resume(struct device *dev)
  {
        return surface_lid_enable_wakeup(dev, false);
  }


Hi,

a patch doing this exact thing has already been submitted, but has yet to
be picked up:

  https://www.spinics.net/lists/platform-driver-x86/msg23888.html

Thanks,
Max

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