linux-kernel - [PATCH] drivers: thermal: processor_thermal: mark pm function __maybe

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Date:   Mon,  8 Jul 2019 14:47:20 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] drivers: thermal: processor_thermal: mark pm function __maybe_unused

Without CONFIG_PM, we get a harmless warning:

drivers/thermal/intel/int340x_thermal/processor_thermal_device.c:446:12: error: 'proc_thermal_resume' defined but not used [-Werror=unused-function]
 static int proc_thermal_resume(struct device *dev)

Mark it __maybe_unused to shut up the warning.

Fixes: aaba9791fbb4 ("drivers: thermal: processor_thermal: Read PPCC on resume")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 .../thermal/intel/int340x_thermal/processor_thermal_device.c    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
index a3210f09f366..5ce639a99330 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
@@ -443,7 +443,7 @@ static void  proc_thermal_pci_remove(struct pci_dev *pdev)
 	pci_disable_device(pdev);
 }
 
-static int proc_thermal_resume(struct device *dev)
+static int __maybe_unused proc_thermal_resume(struct device *dev)
 {
 	struct proc_thermal_device *proc_dev;
 
-- 
2.20.0