linux-kernel - [PATCH 5/5] crypto: suspend/resume callbacks should be conditionally compiled on CONFIG_PM

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Date:	Tue, 16 Oct 2012 22:59:05 +0800
From:	Yuanhan Liu <yuanhan.liu@...ux.intel.com>
To:	linux-kernel@...r.kernel.org
Cc:	Yuanhan Liu <yuanhan.liu@...ux.intel.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	linux-crypto@...r.kernel.org, Fengguang Wu <fengguang.wu@...el.com>
Subject: [PATCH 5/5] crypto: suspend/resume callbacks should be conditionally compiled on CONFIG_PM_SLEEP

This will fix warnings like following when CONFIG_PM_SLEEP is not set:

        warning: 'xxx_suspend' defined but not used [-Wunused-function]
        warning: 'xxx_resume' defined but not used [-Wunused-function]

Cc: Herbert Xu <herbert@...dor.apana.org.au>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: linux-crypto@...r.kernel.org
Signed-off-by: Yuanhan Liu <yuanhan.liu@...ux.intel.com>
Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
---
 drivers/crypto/ux500/cryp/cryp_core.c |    2 ++
 drivers/crypto/ux500/hash/hash_core.c |    2 ++
 2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/crypto/ux500/cryp/cryp_core.c b/drivers/crypto/ux500/cryp/cryp_core.c
index bc615cc..21b50ea 100644
--- a/drivers/crypto/ux500/cryp/cryp_core.c
+++ b/drivers/crypto/ux500/cryp/cryp_core.c
@@ -1662,6 +1662,7 @@ static void ux500_cryp_shutdown(struct platform_device *pdev)
 
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int ux500_cryp_suspend(struct device *dev)
 {
 	int ret;
@@ -1742,6 +1743,7 @@ static int ux500_cryp_resume(struct device *dev)
 
 	return ret;
 }
+#endif
 
 static SIMPLE_DEV_PM_OPS(ux500_cryp_pm, ux500_cryp_suspend, ux500_cryp_resume);
 
diff --git a/drivers/crypto/ux500/hash/hash_core.c b/drivers/crypto/ux500/hash/hash_core.c
index 632c333..906559f 100644
--- a/drivers/crypto/ux500/hash/hash_core.c
+++ b/drivers/crypto/ux500/hash/hash_core.c
@@ -1892,6 +1892,7 @@ static void ux500_hash_shutdown(struct platform_device *pdev)
 				__func__);
 }
 
+#ifdef CONFIG_PM_SLEEP
 /**
  * ux500_hash_suspend - Function that suspends the hash device.
  * @dev:	Device to suspend.
@@ -1959,6 +1960,7 @@ static int ux500_hash_resume(struct device *dev)
 
 	return ret;
 }
+#endif
 
 static SIMPLE_DEV_PM_OPS(ux500_hash_pm, ux500_hash_suspend, ux500_hash_resume);
 
-- 
1.7.7.6

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