linux-kernel - [PATCH -next] media: staging: tegra-vde: Mark tegra_vde_runtime_suspend as __maybe

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Date:   Mon, 3 Aug 2020 19:59:01 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <digetx@...il.com>, <mchehab@...nel.org>,
        <gregkh@...uxfoundation.org>, <thierry.reding@...il.com>,
        <jonathanh@...dia.com>, <hverkuil-cisco@...all.nl>
CC:     <linux-media@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <devel@...verdev.osuosl.org>, <linux-kernel@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] media: staging: tegra-vde: Mark tegra_vde_runtime_suspend as __maybe_unused

If CONFIG_PM is not set, gcc warns:

drivers/staging/media/tegra-vde/vde.c:916:12:
 warning: 'tegra_vde_runtime_suspend' defined but not used [-Wunused-function]

Make it __maybe_unused to fix this.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/staging/media/tegra-vde/vde.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/tegra-vde/vde.c b/drivers/staging/media/tegra-vde/vde.c
index a3c24d96d5b9..2d043d518eef 100644
--- a/drivers/staging/media/tegra-vde/vde.c
+++ b/drivers/staging/media/tegra-vde/vde.c
@@ -913,7 +913,7 @@ static irqreturn_t tegra_vde_isr(int irq, void *data)
 	return IRQ_HANDLED;
 }
 
-static int tegra_vde_runtime_suspend(struct device *dev)
+static __maybe_unused int tegra_vde_runtime_suspend(struct device *dev)
 {
 	struct tegra_vde *vde = dev_get_drvdata(dev);
 	int err;
-- 
2.17.1