On 20-03-20, 15:13, YueHaibing wrote: > When CONFIG_PM is disabled, gcc warning this: > > drivers/dma/tegra20-apb-dma.c:1587:12: warning: 'tegra_dma_runtime_resume' defined but not used [-Wunused-function] > drivers/dma/tegra20-apb-dma.c:1578:12: warning: 'tegra_dma_runtime_suspend' defined but not used [-Wunused-function] > > Make it as __maybe_unused to fix the warnings, > also remove unneeded function declarations. Applied, thanks -- ~Vinod