[PATCH] dmaengine: tegra210-adma: Fix unused function warnings

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If CONFIG_PM is not set, build warnings:

drivers/dma/tegra210-adma.c:747:12: warning: tegra_adma_runtime_resume defined but not used [-Wunused-function]
 static int tegra_adma_runtime_resume(struct device *dev)
drivers/dma/tegra210-adma.c:715:12: warning: tegra_adma_runtime_suspend defined but not used [-Wunused-function]
 static int tegra_adma_runtime_suspend(struct device *dev)

Mark the two function as __maybe_unused.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 drivers/dma/tegra210-adma.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/tegra210-adma.c b/drivers/dma/tegra210-adma.c
index 2805853..b33cf6e 100644
--- a/drivers/dma/tegra210-adma.c
+++ b/drivers/dma/tegra210-adma.c
@@ -712,7 +712,7 @@ static struct dma_chan *tegra_dma_of_xlate(struct of_phandle_args *dma_spec,
 	return chan;
 }
 
-static int tegra_adma_runtime_suspend(struct device *dev)
+static int __maybe_unused tegra_adma_runtime_suspend(struct device *dev)
 {
 	struct tegra_adma *tdma = dev_get_drvdata(dev);
 	struct tegra_adma_chan_regs *ch_reg;
@@ -744,7 +744,7 @@ static int tegra_adma_runtime_suspend(struct device *dev)
 	return 0;
 }
 
-static int tegra_adma_runtime_resume(struct device *dev)
+static int __maybe_unused tegra_adma_runtime_resume(struct device *dev)
 {
 	struct tegra_adma *tdma = dev_get_drvdata(dev);
 	struct tegra_adma_chan_regs *ch_reg;
-- 
2.7.4





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