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Groups > linux.kernel > #1412119
| From | Binoy Jayan <binoy.jayan@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 4/4] rtl8192u: Remove unused semaphore rf_sem |
| Date | 2016-06-02 13:00 +0200 |
| Message-ID | <rFyw2-4Ts-5@gated-at.bofh.it> (permalink) |
| References | <rFsTD-1nj-3@gated-at.bofh.it> <rFyw1-4Ts-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The semaphore 'rf_sem' in rtl8192u has no users, hence removing it.
Signed-off-by: Binoy Jayan <binoy.jayan@linaro.org>
---
This patch depends on the following patch:
rtl8192u: Replace semaphore scan_sem with mutex
drivers/staging/rtl8192u/r8192U.h | 1 -
drivers/staging/rtl8192u/r8192U_core.c | 1 -
2 files changed, 2 deletions(-)
diff --git a/drivers/staging/rtl8192u/r8192U.h b/drivers/staging/rtl8192u/r8192U.h
index 2780838..f717cb3 100644
--- a/drivers/staging/rtl8192u/r8192U.h
+++ b/drivers/staging/rtl8192u/r8192U.h
@@ -880,7 +880,6 @@ typedef struct r8192_priv {
short crcmon;
struct mutex wx_mutex;
- struct semaphore rf_sem; /* 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..ccb4259 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -2374,7 +2374,6 @@ 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->mutex);
}
--
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a Linux Foundation Collaborative Project
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[PATCH 0/4] *** rtl8192u: Replace semaphores with mutexes *** Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-02 07:00 +0200
Re: [PATCH 0/4] *** rtl8192u: Replace semaphores with mutexes *** Arnd Bergmann <arnd@arndb.de> - 2016-06-02 10:00 +0200
[PATCH v2 1/4] rtl8192u: r8192_priv: Replace semaphore wx_sem with mutex Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-02 13:00 +0200
[PATCH v2 4/4] rtl8192u: Remove unused semaphore rf_sem Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-02 13:00 +0200
[PATCH v2 2/4] rtl8192u: ieee80211_device: Replace semaphore wx_sem with mutex Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-02 13:00 +0200
[PATCH v2 3/4] rtl8192u: Replace semaphore scan_sem with mutex Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-02 13:00 +0200
[PATCH v2 0/4] *** rtl8192u: Replace semaphores with mutexes *** Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-02 13:00 +0200
Re: [PATCH v2 0/4] *** rtl8192u: Replace semaphores with mutexes *** Arnd Bergmann <arnd@arndb.de> - 2016-06-02 13:10 +0200
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