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

From: Jon Hunter
Date: Wed Jul 10 2019 - 04:38:44 EST



On 09/07/2019 09:32, YueHaibing wrote:
> 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;
>

Thanks!

Acked-by: Jon Hunter <jonathanh@xxxxxxxxxx>

Cheers
Jon

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