linux-kernel - [PATCH 8/8] drm/bridge: cdns: mark PM functions as __maybe

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Message-Id: <20180525155030.3667352-8-arnd@arndb.de>
Date:   Fri, 25 May 2018 17:50:15 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Archit Taneja <architt@...eaurora.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        David Airlie <airlied@...ux.ie>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Boris Brezillon <boris.brezillon@...tlin.com>,
        Eric Anholt <eric@...olt.net>, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 8/8] drm/bridge: cdns: mark PM functions as __maybe_unused

These two functions are unused in some configurations, and using __maybe_unused
is the easiest way to shut up the harmless warnings:

drivers/gpu/drm/bridge/cdns-dsi.c:1353:12: error: 'cdns_dsi_suspend' defined but not used [-Werror=unused-function]
 static int cdns_dsi_suspend(struct device *dev)
            ^~~~~~~~~~~~~~~~
drivers/gpu/drm/bridge/cdns-dsi.c:1340:12: error: 'cdns_dsi_resume' defined but not used [-Werror=unused-function]
 static int cdns_dsi_resume(struct device *dev)

Fixes: e19233955d9e ("drm/bridge: Add Cadence DSI driver")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/gpu/drm/bridge/cdns-dsi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/cdns-dsi.c b/drivers/gpu/drm/bridge/cdns-dsi.c
index c255fc3e1be5..f2d43f24acfb 100644
--- a/drivers/gpu/drm/bridge/cdns-dsi.c
+++ b/drivers/gpu/drm/bridge/cdns-dsi.c
@@ -1337,7 +1337,7 @@ static const struct mipi_dsi_host_ops cdns_dsi_ops = {
 	.transfer = cdns_dsi_transfer,
 };
 
-static int cdns_dsi_resume(struct device *dev)
+static int __maybe_unused cdns_dsi_resume(struct device *dev)
 {
 	struct cdns_dsi *dsi = dev_get_drvdata(dev);
 
@@ -1350,7 +1350,7 @@ static int cdns_dsi_resume(struct device *dev)
 	return 0;
 }
 
-static int cdns_dsi_suspend(struct device *dev)
+static int __maybe_unused cdns_dsi_suspend(struct device *dev)
 {
 	struct cdns_dsi *dsi = dev_get_drvdata(dev);
 
-- 
2.9.0