linux-kernel - [PATCH -next] drm/tegra: vic: Fix build warning When CONFIG

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Date:   Sat, 5 Mar 2022 20:32:00 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <thierry.reding@...il.com>, <airlied@...ux.ie>, <daniel@...ll.ch>,
        <jonathanh@...dia.com>, <mperttunen@...dia.com>
CC:     <dri-devel@...ts.freedesktop.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] drm/tegra: vic: Fix build warning When CONFIG_PM=n

drivers/gpu/drm/tegra/vic.c:326:12: error: ‘vic_runtime_suspend’ defined but not used [-Werror=unused-function]
 static int vic_runtime_suspend(struct device *dev)
            ^~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/tegra/vic.c:292:12: error: ‘vic_runtime_resume’ defined but not used [-Werror=unused-function]
 static int vic_runtime_resume(struct device *dev)
            ^~~~~~~~~~~~~~~~~~

Mark it as __maybe_unused.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/gpu/drm/tegra/vic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c
index 1e342fa3d27b..b25a6c7127b3 100644
--- a/drivers/gpu/drm/tegra/vic.c
+++ b/drivers/gpu/drm/tegra/vic.c
@@ -289,7 +289,7 @@ static int vic_load_firmware(struct vic *vic)
 }
 
 
-static int vic_runtime_resume(struct device *dev)
+static int __maybe_unused vic_runtime_resume(struct device *dev)
 {
 	struct vic *vic = dev_get_drvdata(dev);
 	int err;
@@ -323,7 +323,7 @@ static int vic_runtime_resume(struct device *dev)
 	return err;
 }
 
-static int vic_runtime_suspend(struct device *dev)
+static int __maybe_unused vic_runtime_suspend(struct device *dev)
 {
 	struct vic *vic = dev_get_drvdata(dev);
 	int err;
-- 
2.17.1