On Thu, Jul 02, 2020 at 05:19:46PM +0800, Wei Yongjun wrote: > In certain configurations without power management support, the > following warnings happen: > > drivers/net/ethernet/mellanox/mlx4/main.c:4388:12: > warning: 'mlx4_resume' defined but not used [-Wunused-function] > 4388 | static int mlx4_resume(struct device *dev_d) > | ^~~~~~~~~~~ > drivers/net/ethernet/mellanox/mlx4/main.c:4373:12: warning: > 'mlx4_suspend' defined but not used [-Wunused-function] > 4373 | static int mlx4_suspend(struct device *dev_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: 0e3e206a3e12 ("mlx4: use generic power management") I can't find this SHA-1, where did you get it? And why doesn't mlx5 need this change? Fixes: 86a3e5d02c20 ("net/mlx4_core: Add PCI calls for suspend/resume") Thanks