Messages in this thread Patch in this message | | | Date | Sun, 26 Jul 2009 08:20:07 -0000 | From | Thomas Gleixner <> | Subject | [Patch RFC 33/37] arm: w90x900: convert semaphore to mutex |
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The semaphore is used as mutex so make it a mutex.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Wan ZongShun <mcuos.com@gmail.com> --- arch/arm/mach-w90x900/mfp-w90p910.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-)
Index: linux-2.6-tip/arch/arm/mach-w90x900/mfp-w90p910.c =================================================================== --- linux-2.6-tip.orig/arch/arm/mach-w90x900/mfp-w90p910.c +++ linux-2.6-tip/arch/arm/mach-w90x900/mfp-w90p910.c @@ -34,7 +34,7 @@ #define GPSELEI0 (0x01 << 26) #define GPSELEI1 (0x01 << 27) -static DECLARE_MUTEX(mfp_sem); +static DEFINE_MUTEX(mfp_sem); void mfp_set_groupf(struct device *dev) { @@ -43,7 +43,7 @@ void mfp_set_groupf(struct device *dev) BUG_ON(!dev); - down(&mfp_sem); + mutex_lock(&mfp_sem); dev_id = dev_name(dev); @@ -56,7 +56,7 @@ void mfp_set_groupf(struct device *dev) __raw_writel(mfpen, REG_MFSEL); - up(&mfp_sem); + mutex_unlock(&mfp_sem); } EXPORT_SYMBOL(mfp_set_groupf); @@ -67,7 +67,7 @@ void mfp_set_groupc(struct device *dev) BUG_ON(!dev); - down(&mfp_sem); + mutex_lock(&mfp_sem); dev_id = dev_name(dev); @@ -86,7 +86,7 @@ void mfp_set_groupc(struct device *dev) __raw_writel(mfpen, REG_MFSEL); - up(&mfp_sem); + mutex_unlock(&mfp_sem); } EXPORT_SYMBOL(mfp_set_groupc); @@ -97,7 +97,7 @@ void mfp_set_groupi(struct device *dev, BUG_ON(!dev); - down(&mfp_sem); + mutex_lock(&mfp_sem); dev_id = dev_name(dev); @@ -110,7 +110,7 @@ void mfp_set_groupi(struct device *dev, __raw_writel(mfpen, REG_MFSEL); - up(&mfp_sem); + mutex_unlock(&mfp_sem); } EXPORT_SYMBOL(mfp_set_groupi);
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