Re: [PATCH -next] dmaengine: tegra-apb: mark PM functions as __maybe_unused

From: Thierry Reding
Date: Fri Mar 20 2020 - 11:11:16 EST


On Fri, Mar 20, 2020 at 03:13:37PM +0800, 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.
>
> Fixes: ec8a1586780c ("dma: tegra: add dmaengine based dma driver")
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
> drivers/dma/tegra20-apb-dma.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)

Acked-by: Thierry Reding <treding@xxxxxxxxxx>

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