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[PATCH 2/4] rtl8188eu: Replace semaphore terminate_cmdthread_sema with completion

From Binoy Jayan <binoy.jayan@linaro.org>
Newsgroups linux.kernel
Subject [PATCH 2/4] rtl8188eu: Replace semaphore terminate_cmdthread_sema with completion
Date 2016-06-03 12:10 +0200
Message-ID <rFUdb-1OZ-23@gated-at.bofh.it> (permalink)
References <rFU3w-1wB-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

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The semaphore 'terminate_cmdthread_sema' is used as completion,
so convert it to struct completion.

Signed-off-by: Binoy Jayan <binoy.jayan@linaro.org>
---
This patch depends on the following patch:
irtl8188eu: Replace semaphore cmd_queue_sema with completion

 drivers/staging/rtl8188eu/core/rtw_cmd.c    | 6 +++---
 drivers/staging/rtl8188eu/include/rtw_cmd.h | 2 +-
 drivers/staging/rtl8188eu/os_dep/os_intfs.c | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_cmd.c b/drivers/staging/rtl8188eu/core/rtw_cmd.c
index a2937e7..9e12588 100644
--- a/drivers/staging/rtl8188eu/core/rtw_cmd.c
+++ b/drivers/staging/rtl8188eu/core/rtw_cmd.c
@@ -28,7 +28,7 @@ No irqsave is necessary.
 int rtw_init_cmd_priv(struct cmd_priv *pcmdpriv)
 {
 	init_completion(&pcmdpriv->cmd_queue_comp);
-	sema_init(&(pcmdpriv->terminate_cmdthread_sema), 0);
+	init_completion(&pcmdpriv->terminate_cmdthread_comp);
 
 	_rtw_init_queue(&(pcmdpriv->cmd_queue));
 	return _SUCCESS;
@@ -162,7 +162,7 @@ int rtw_cmd_thread(void *context)
 	allow_signal(SIGTERM);
 
 	pcmdpriv->cmdthd_running = true;
-	up(&pcmdpriv->terminate_cmdthread_sema);
+	complete(&pcmdpriv->terminate_cmdthread_comp);
 
 	RT_TRACE(_module_rtl871x_cmd_c_, _drv_info_, ("start r871x rtw_cmd_thread !!!!\n"));
 
@@ -234,7 +234,7 @@ _next:
 		rtw_free_cmd_obj(pcmd);
 	}
 
-	up(&pcmdpriv->terminate_cmdthread_sema);
+	complete(&pcmdpriv->terminate_cmdthread_comp);
 
 
 	complete_and_exit(NULL, 0);
diff --git a/drivers/staging/rtl8188eu/include/rtw_cmd.h b/drivers/staging/rtl8188eu/include/rtw_cmd.h
index 3532dd1..2b53f58 100644
--- a/drivers/staging/rtl8188eu/include/rtw_cmd.h
+++ b/drivers/staging/rtl8188eu/include/rtw_cmd.h
@@ -40,7 +40,7 @@ struct cmd_obj {
 
 struct cmd_priv {
 	struct completion cmd_queue_comp;
-	struct semaphore terminate_cmdthread_sema;
+	struct completion terminate_cmdthread_comp;
 	struct __queue cmd_queue;
 	u8 cmdthd_running;
 	struct adapter *padapter;
diff --git a/drivers/staging/rtl8188eu/os_dep/os_intfs.c b/drivers/staging/rtl8188eu/os_dep/os_intfs.c
index a696d2b..c494845 100644
--- a/drivers/staging/rtl8188eu/os_dep/os_intfs.c
+++ b/drivers/staging/rtl8188eu/os_dep/os_intfs.c
@@ -762,7 +762,7 @@ static int rtw_start_drv_threads(struct adapter *padapter)
 		err = PTR_ERR(padapter->cmdThread);
 	else
 		/* wait for cmd_thread to run */
-		_rtw_down_sema(&padapter->cmdpriv.terminate_cmdthread_sema);
+		wait_for_completion_interruptible(&padapter->cmdpriv.terminate_cmdthread_comp);
 
 	return err;
 }
@@ -774,7 +774,7 @@ void rtw_stop_drv_threads(struct adapter *padapter)
 	/* Below is to terminate rtw_cmd_thread & event_thread... */
 	complete(&padapter->cmdpriv.cmd_queue_comp);
 	if (padapter->cmdThread)
-		_rtw_down_sema(&padapter->cmdpriv.terminate_cmdthread_sema);
+		wait_for_completion_interruptible(&padapter->cmdpriv.terminate_cmdthread_comp);
 
 }
 
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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Thread

[PATCH 0/4] *** rtl8188eu: Replace semaphores with mutexes or completions *** Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-03 12:00 +0200
  [PATCH 3/4] rtl8188eu: pwrctrl_priv: Replace semaphore 'lock' with mutex Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-03 12:10 +0200
  [PATCH 2/4] rtl8188eu: Replace semaphore terminate_cmdthread_sema with completion Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-03 12:10 +0200
  [PATCH 4/4] rtl8188eu: Remove unused semaphores Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-03 12:10 +0200
  [PATCH 1/4] irtl8188eu: Replace semaphore cmd_queue_sema with completion Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-03 12:10 +0200
    Re: [PATCH 1/4] irtl8188eu: Replace semaphore cmd_queue_sema with  completion Larry Finger <Larry.Finger@lwfinger.net> - 2016-06-05 18:40 +0200
  Re: [PATCH 0/4] *** rtl8188eu: Replace semaphores with mutexes or completions *** Arnd Bergmann <arnd@arndb.de> - 2016-06-04 12:50 +0200
  [PATCH v2 1/4] irtl8188eu: Replace semaphore cmd_queue_sema with completion Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-06 06:40 +0200
  [PATCH v2 0/4] *** rtl8188eu: Replace semaphores with mutexes or completions *** Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-06 06:40 +0200
    [PATCH v2 2/4] rtl8188eu: Replace semaphore terminate_cmdthread_sema with completion Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-06 06:40 +0200
    [PATCH v2 4/4] rtl8188eu: Remove unused semaphores Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-06 06:40 +0200
    [PATCH v2 3/4] rtl8188eu: pwrctrl_priv: Replace semaphore 'lock' with mutex Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-06 06:40 +0200
  [PATCH v3 0/4] *** staging: r8188eu: Replace semaphores with mutexes or completions *** Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-06 07:20 +0200
    [PATCH v3 1/4] staging: r8188eu: Replace semaphore cmd_queue_sema with completion Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-06 07:20 +0200
    [PATCH v3 3/4] staging: r8188eu: pwrctrl_priv: Replace semaphore 'lock' with mutex Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-06 07:20 +0200
    [PATCH v3 4/4] staging: r8188eu: Remove unused semaphores Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-06 07:20 +0200
    [PATCH v3 2/4] staging: r8188eu: Replace semaphore terminate_cmdthread_sema with completion Binoy Jayan <binoy.jayan@linaro.org> - 2016-06-06 07:20 +0200

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