* [PATCH] dmaengine: usb-dmac: Protect PM-only functions to kill warning
@ 2015-04-26 9:53 Geert Uytterhoeven
2015-04-27 3:18 ` Vinod Koul
0 siblings, 1 reply; 2+ messages in thread
From: Geert Uytterhoeven @ 2015-04-26 9:53 UTC (permalink / raw)
To: linux-sh
If CONFIG_PM=n:
drivers/dma/sh/usb-dmac.c:677: warning: ‘usb_dmac_runtime_suspend’ defined but not used
drivers/dma/sh/usb-dmac.c:688: warning: ‘usb_dmac_runtime_resume’ defined but not used
Protect the unused functions by #ifdef CONFIG_PM to fix this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
drivers/dma/sh/usb-dmac.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/dma/sh/usb-dmac.c b/drivers/dma/sh/usb-dmac.c
index f705798ce3eb1129..ebd8a5f398b08ee2 100644
--- a/drivers/dma/sh/usb-dmac.c
+++ b/drivers/dma/sh/usb-dmac.c
@@ -673,6 +673,7 @@ static struct dma_chan *usb_dmac_of_xlate(struct of_phandle_args *dma_spec,
* Power management
*/
+#ifdef CONFIG_PM
static int usb_dmac_runtime_suspend(struct device *dev)
{
struct usb_dmac *dmac = dev_get_drvdata(dev);
@@ -690,6 +691,7 @@ static int usb_dmac_runtime_resume(struct device *dev)
return usb_dmac_init(dmac);
}
+#endif /* CONFIG_PM */
static const struct dev_pm_ops usb_dmac_pm = {
SET_RUNTIME_PM_OPS(usb_dmac_runtime_suspend, usb_dmac_runtime_resume,
--
1.9.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2015-04-27 3:18 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-04-26 9:53 [PATCH] dmaengine: usb-dmac: Protect PM-only functions to kill warning Geert Uytterhoeven
2015-04-27 3:18 ` Vinod Koul
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.