linux-kernel - [PATCH 4/4] rtl8192u: Replace semaphore rf

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Message-Id: <1464843475-4870-5-git-send-email-binoy.jayan@linaro.org>
Date:	Thu,  2 Jun 2016 10:27:55 +0530
From:	Binoy Jayan <binoy.jayan@...aro.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Cc:	Arnd Bergmann <arnd@...db.de>, Binoy Jayan <binoy.jayan@...aro.org>
Subject: [PATCH 4/4] rtl8192u: Replace semaphore rf_sem with mutex

The semaphore 'rf_sem' in rtl8192u 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@...aro.org>
---
This patch depends on the following patch:
rtl8192u: Replace semaphore scan_sem with mutex

 drivers/staging/rtl8192u/r8192U.h      | 2 +-
 drivers/staging/rtl8192u/r8192U_core.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/rtl8192u/r8192U.h b/drivers/staging/rtl8192u/r8192U.h
index 2780838..7b921d4 100644
--- a/drivers/staging/rtl8192u/r8192U.h
+++ b/drivers/staging/rtl8192u/r8192U.h
@@ -880,7 +880,7 @@ typedef struct r8192_priv {
 	short crcmon;
 
 	struct mutex wx_mutex;
-	struct semaphore rf_sem;	/* Used to lock rf write operation */
+	struct mutex rf_mutex;	/* Used to lock rf write operation */
 
 	u8 rf_type;			/* 0: 1T2R, 1: 2T4R */
 	RT_RF_TYPE_819xU rf_chip;
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index c6d3119..46d613a 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -2374,7 +2374,7 @@ static void rtl8192_init_priv_lock(struct r8192_priv *priv)
 	spin_lock_init(&priv->tx_lock);
 	spin_lock_init(&priv->irq_lock);
 	mutex_init(&priv->wx_mutex);
-	sema_init(&priv->rf_sem, 1);
+	mutex_init(&priv->rf_mutex);
 	mutex_init(&priv->mutex);
 }
 
-- 
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