On 5/16/23 20:43, Vinod Koul wrote: > We get a warning when PM is not set: > > ../drivers/dma/ti/k3-udma.c:5552:12: warning: 'udma_pm_resume' defined but not used [-Wunused-function] > 5552 | static int udma_pm_resume(struct device *dev) > | ^~~~~~~~~~~~~~ > ../drivers/dma/ti/k3-udma.c:5530:12: warning: 'udma_pm_suspend' defined but not used [-Wunused-function] > 5530 | static int udma_pm_suspend(struct device *dev) > | ^~~~~~~~~~~~~~~ > > Fix this by annotating pm function with __maybe_unused Sorry Vinod for missing the report and not reacting. Thanks for the fix! Acked-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxx> > Fixes: fbe05149e40b ("dmaengine: ti: k3-udma: Add system suspend/resume support") > Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx> > --- > drivers/dma/ti/k3-udma.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c > index fc3a2a05ab7b..b8329a23728d 100644 > --- a/drivers/dma/ti/k3-udma.c > +++ b/drivers/dma/ti/k3-udma.c > @@ -5527,7 +5527,7 @@ static int udma_probe(struct platform_device *pdev) > return ret; > } > > -static int udma_pm_suspend(struct device *dev) > +static int __maybe_unused udma_pm_suspend(struct device *dev) > { > struct udma_dev *ud = dev_get_drvdata(dev); > struct dma_device *dma_dev = &ud->ddev; > @@ -5549,7 +5549,7 @@ static int udma_pm_suspend(struct device *dev) > return 0; > } > > -static int udma_pm_resume(struct device *dev) > +static int __maybe_unused udma_pm_resume(struct device *dev) > { > struct udma_dev *ud = dev_get_drvdata(dev); > struct dma_device *dma_dev = &ud->ddev; -- Péter