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Commit f346becf authored by wanzongshun's avatar wanzongshun Committed by Russell King
Browse files

ARM: 5675/1: The semaphore is used as mutex so make it a mutex 



The semaphore is used as mutex so make it a mutex.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarWan ZongShun <mcuos.com@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 58b5369e

arch/arm/mach-w90x900/mfp-w90p910.c

+9 −9
Original line number Diff line number Diff line
@@ -40,7 +40,7 @@ 
#define ENI2C0		(0x01 << 14)

#define ENI2C1		(0x01 << 16)



static DECLARE_MUTEX(mfp_sem);

static DEFINE_MUTEX(mfp_mutex);



void mfp_set_groupf(struct device *dev)

{
@@ -49,7 +49,7 @@ void mfp_set_groupf(struct device *dev) 


	BUG_ON(!dev);



	down(&mfp_sem);

	mutex_lock(&mfp_mutex);



	dev_id = dev_name(dev);
@@ -62,7 +62,7 @@ void mfp_set_groupf(struct device *dev) 


	__raw_writel(mfpen, REG_MFSEL);



	up(&mfp_sem);

	mutex_unlock(&mfp_mutex);

}

EXPORT_SYMBOL(mfp_set_groupf);
@@ -73,7 +73,7 @@ void mfp_set_groupc(struct device *dev) 


	BUG_ON(!dev);



	down(&mfp_sem);

	mutex_lock(&mfp_mutex);



	dev_id = dev_name(dev);
@@ -92,7 +92,7 @@ void mfp_set_groupc(struct device *dev) 


	__raw_writel(mfpen, REG_MFSEL);



	up(&mfp_sem);

	mutex_unlock(&mfp_mutex);

}

EXPORT_SYMBOL(mfp_set_groupc);
@@ -103,7 +103,7 @@ void mfp_set_groupi(struct device *dev) 


	BUG_ON(!dev);



	down(&mfp_sem);

	mutex_lock(&mfp_mutex);



	dev_id = dev_name(dev);
@@ -120,7 +120,7 @@ void mfp_set_groupi(struct device *dev) 


	__raw_writel(mfpen, REG_MFSEL);



	up(&mfp_sem);

	mutex_unlock(&mfp_mutex);

}

EXPORT_SYMBOL(mfp_set_groupi);
@@ -131,7 +131,7 @@ void mfp_set_groupg(struct device *dev) 


	BUG_ON(!dev);



	down(&mfp_sem);

	mutex_lock(&mfp_mutex);



	dev_id = dev_name(dev);
@@ -152,7 +152,7 @@ void mfp_set_groupg(struct device *dev) 


	__raw_writel(mfpen, REG_MFSEL);



	up(&mfp_sem);

	mutex_unlock(&mfp_mutex);

}

EXPORT_SYMBOL(mfp_set_groupg);