In certain configurations without power management support, the
following warnings happen:

../drivers/net/ethernet/amd/pcnet32.c:2928:12: warning:
'pcnet32_pm_resume' defined but not used [-Wunused-function]
 2928 | static int pcnet32_pm_resume(struct device *device_d)
      |            ^~~~~~~~~~~~~~~~~
../drivers/net/ethernet/amd/pcnet32.c:2916:12: warning:
'pcnet32_pm_suspend' defined but not used [-Wunused-function]
 2916 | static int pcnet32_pm_suspend(struct device *device_d)
      |            ^~~~~~~~~~~~~~~~~~

Mark these functions as __maybe_unused to make it clear to the compiler
that this is going to happen based on the configuration, which is the
standard for these types of functions.

Fixes: a86688fbef1b ("pcnet32: Convert to generic power management")
Signed-off-by: Nathan Chancellor <natechancel...@gmail.com>
---
 drivers/net/ethernet/amd/pcnet32.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/amd/pcnet32.c 
b/drivers/net/ethernet/amd/pcnet32.c
index d32f54d760e7..f47140391f67 100644
--- a/drivers/net/ethernet/amd/pcnet32.c
+++ b/drivers/net/ethernet/amd/pcnet32.c
@@ -2913,7 +2913,7 @@ static void pcnet32_watchdog(struct timer_list *t)
        mod_timer(&lp->watchdog_timer, round_jiffies(PCNET32_WATCHDOG_TIMEOUT));
 }
 
-static int pcnet32_pm_suspend(struct device *device_d)
+static int __maybe_unused pcnet32_pm_suspend(struct device *device_d)
 {
        struct net_device *dev = dev_get_drvdata(device_d);
 
@@ -2925,7 +2925,7 @@ static int pcnet32_pm_suspend(struct device *device_d)
        return 0;
 }
 
-static int pcnet32_pm_resume(struct device *device_d)
+static int __maybe_unused pcnet32_pm_resume(struct device *device_d)
 {
        struct net_device *dev = dev_get_drvdata(device_d);
 
-- 
2.27.0

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