rtl8192e: Replace semaphore rf_sem with mutex

The semaphore 'rf_sem' in the rtl8192e is a simple mutex, so it should
be written as one. Semaphores are going away in the future.

Signed-off-by: Binoy Jayan <binoy.jayan@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c
index 0698131..dde4922 100644 (file)
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c
@@ -256,7 +256,7 @@ u32 rtl92e_get_rf_reg(struct net_device *dev, enum rf90_radio_path eRFPath,
                return 0;
        if (priv->rtllib->eRFPowerState != eRfOn && !priv->being_init_adapter)
                return  0;
-       down(&priv->rf_sem);
+       mutex_lock(&priv->rf_mutex);
        if (priv->Rf_Mode == RF_OP_By_FW) {
                Original_Value = _rtl92e_phy_rf_fw_read(dev, eRFPath, RegAddr);
                udelay(200);
@@ -265,7 +265,7 @@ u32 rtl92e_get_rf_reg(struct net_device *dev, enum rf90_radio_path eRFPath,
        }
        BitShift =  _rtl92e_calculate_bit_shift(BitMask);
        Readback_Value = (Original_Value & BitMask) >> BitShift;
-       up(&priv->rf_sem);
+       mutex_unlock(&priv->rf_mutex);
        return Readback_Value;
 }
 

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 4692028..e01fff0 100644 (file)
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -994,7 +994,7 @@ static void _rtl92e_init_priv_lock(struct r8192_priv *priv)
        spin_lock_init(&priv->rf_ps_lock);
        spin_lock_init(&priv->ps_lock);
        mutex_init(&priv->wx_mutex);
-       sema_init(&priv->rf_sem, 1);
+       mutex_init(&priv->rf_mutex);
        mutex_init(&priv->mutex);
 }
 

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
index 16378e6..babc0b3 100644 (file)
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
@@ -376,7 +376,7 @@ struct r8192_priv {
        struct tasklet_struct           irq_prepare_beacon_tasklet;
 
        struct mutex                            wx_mutex;
-       struct semaphore                        rf_sem;
+       struct mutex                            rf_mutex;
        struct mutex                            mutex;
 
        struct rt_stats stats;