linux-kernel - [PATCH] mmc: sdio: Fix PM_SLEEP related build warnings

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Message-Id: <1344495413-7164-1-git-send-email-thierry.reding@avionic-design.de>
Date:	Thu,  9 Aug 2012 08:56:53 +0200
From:	Thierry Reding <thierry.reding@...onic-design.de>
To:	Chris Ball <cjb@...top.org>
Cc:	Paul Gortmaker <paul.gortmaker@...driver.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-mmc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] mmc: sdio: Fix PM_SLEEP related build warnings

Power management callbacks defined by SIMPLE_DEV_PM_OPS are only used if
the PM_SLEEP Kconfig symbol has been defined. If not, the compiler will
complain about them being unused.

Signed-off-by: Thierry Reding <thierry.reding@...onic-design.de>
---
 drivers/mmc/core/sdio_bus.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index 236842e..f8f90b4 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -193,11 +193,12 @@ static int sdio_bus_remove(struct device *dev)
 }
 
 #ifdef CONFIG_PM
-
+#ifdef CONFIG_PM_SLEEP
 static int pm_no_operation(struct device *dev)
 {
 	return 0;
 }
+#endif
 
 static const struct dev_pm_ops sdio_bus_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(pm_no_operation, pm_no_operation)
-- 
1.7.11.4

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