From: YueHaibing Date: Fri, 20 Mar 2020 07:13:37 +0000 (+0800) Subject: dmaengine: tegra-apb: mark PM functions as __maybe_unused X-Git-Tag: libata-5.7-2020-04-09~57^2~4 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=a48d44c800c7a50a7d57be7adffb31e04643a42e;p=linux-block.git dmaengine: tegra-apb: mark PM functions as __maybe_unused 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 Reviewed-by: Dmitry Osipenko Acked-by: Thierry Reding Link: https://lore.kernel.org/r/20200320071337.59756-1-yuehaibing@huawei.com Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index f1ff836abeaf..c5da4444a6ae 100644 --- a/drivers/dma/tegra20-apb-dma.c +++ b/drivers/dma/tegra20-apb-dma.c @@ -263,8 +263,6 @@ static inline struct device *tdc2dev(struct tegra_dma_channel *tdc) } static dma_cookie_t tegra_dma_tx_submit(struct dma_async_tx_descriptor *tx); -static int tegra_dma_runtime_suspend(struct device *dev); -static int tegra_dma_runtime_resume(struct device *dev); /* Get DMA desc from free list, if not there then allocate it. */ static struct tegra_dma_desc *tegra_dma_desc_get(struct tegra_dma_channel *tdc) @@ -1580,7 +1578,7 @@ static int tegra_dma_remove(struct platform_device *pdev) return 0; } -static int tegra_dma_runtime_suspend(struct device *dev) +static int __maybe_unused tegra_dma_runtime_suspend(struct device *dev) { struct tegra_dma *tdma = dev_get_drvdata(dev); @@ -1589,7 +1587,7 @@ static int tegra_dma_runtime_suspend(struct device *dev) return 0; } -static int tegra_dma_runtime_resume(struct device *dev) +static int __maybe_unused tegra_dma_runtime_resume(struct device *dev) { struct tegra_dma *tdma = dev_get_drvdata(dev);