On Thu, Jul 02, 2020 at 06:27:12PM +0800, Wei Yongjun wrote: > > > On 2020/7/2 17:36, Leon Romanovsky wrote: > > 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? > > It is in the net-next tree. > > https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=0e3e206a3e12 I see, thanks > > > And why doesn't mlx5 need this change? > > > > Fixes: 86a3e5d02c20 ("net/mlx4_core: Add PCI calls for suspend/resume") > > > > Thanks > >