linux-kernel - [PATCH] net: dsa: Fix build warning for !PM

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Message-Id: <1412164740-32452-1-git-send-email-thierry.reding@gmail.com>
Date:	Wed,  1 Oct 2014 13:59:00 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	Florian Fainelli <f.fainelli@...il.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] net: dsa: Fix build warning for !PM_SLEEP

From: Thierry Reding <treding@...dia.com>

The dsa_switch_suspend() and dsa_switch_resume() functions are only used
when PM_SLEEP is enabled, so they need #ifdef CONFIG_PM_SLEEP protection
to avoid a compiler warning.

Signed-off-by: Thierry Reding <treding@...dia.com>
---
 net/dsa/dsa.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 6905f2d84c44..22f34cf4cb27 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -238,6 +238,7 @@ static void dsa_switch_destroy(struct dsa_switch *ds)
 {
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int dsa_switch_suspend(struct dsa_switch *ds)
 {
 	int i, ret = 0;
@@ -280,6 +281,7 @@ static int dsa_switch_resume(struct dsa_switch *ds)
 
 	return 0;
 }
+#endif
 
 
 /* link polling *************************************************************/
-- 
2.1.0

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