linux-kernel - [PATCH v2 2/4] rtl8712: Replace semaphore terminate_cmdthread

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Message-Id: <1464841450-24772-3-git-send-email-binoy.jayan@linaro.org>
Date:	Thu,  2 Jun 2016 09:54:08 +0530
From:	Binoy Jayan <binoy.jayan@...aro.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Larry Finger <Larry.Finger@...inger.net>,
	Florian Schilhabel <florian.c.schilhabel@...glemail.com>
Cc:	Arnd Bergmann <arnd@...db.de>,
	driverdev-devel@...uxdriverproject.org,
	linux-kernel@...r.kernel.org, Binoy Jayan <binoy.jayan@...aro.org>
Subject: [PATCH v2 2/4] rtl8712: Replace semaphore terminate_cmdthread_sema with completion

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

Signed-off-by: Binoy Jayan <binoy.jayan@...aro.org>
---
This patch depends on the following patch:
 rtl8712: Replace semaphore cmd_queue_sema with completion

 drivers/staging/rtl8712/os_intfs.c    | 2 +-
 drivers/staging/rtl8712/rtl8712_cmd.c | 2 +-
 drivers/staging/rtl8712/rtl871x_cmd.c | 2 +-
 drivers/staging/rtl8712/rtl871x_cmd.h | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c
index c07bcd0..2396bac 100644
--- a/drivers/staging/rtl8712/os_intfs.c
+++ b/drivers/staging/rtl8712/os_intfs.c
@@ -245,7 +245,7 @@ void r8712_stop_drv_threads(struct _adapter *padapter)
 	/*Below is to terminate r8712_cmd_thread & event_thread...*/
 	complete(&padapter->cmdpriv.cmd_queue_comp);
 	if (padapter->cmdThread)
-		_down_sema(&padapter->cmdpriv.terminate_cmdthread_sema);
+		wait_for_completion_interruptible(&padapter->cmdpriv.terminate_cmdthread_comp);
 	padapter->cmdpriv.cmd_seq = 1;
 }
 
diff --git a/drivers/staging/rtl8712/rtl8712_cmd.c b/drivers/staging/rtl8712/rtl8712_cmd.c
index 172f51f..1badc6c 100644
--- a/drivers/staging/rtl8712/rtl8712_cmd.c
+++ b/drivers/staging/rtl8712/rtl8712_cmd.c
@@ -420,7 +420,7 @@ _next:
 			break;
 		r8712_free_cmd_obj(pcmd);
 	} while (1);
-	up(&pcmdpriv->terminate_cmdthread_sema);
+	complete(&pcmdpriv->terminate_cmdthread_comp);
 	thread_exit();
 }
 
diff --git a/drivers/staging/rtl8712/rtl871x_cmd.c b/drivers/staging/rtl8712/rtl871x_cmd.c
index 69e650b..74fd928 100644
--- a/drivers/staging/rtl8712/rtl871x_cmd.c
+++ b/drivers/staging/rtl8712/rtl871x_cmd.c
@@ -58,7 +58,7 @@ No irqsave is necessary.
 static sint _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);
 
 	_init_queue(&(pcmdpriv->cmd_queue));
 
diff --git a/drivers/staging/rtl8712/rtl871x_cmd.h b/drivers/staging/rtl8712/rtl871x_cmd.h
index 1907bc9..ebd2e1d 100644
--- a/drivers/staging/rtl8712/rtl871x_cmd.h
+++ b/drivers/staging/rtl8712/rtl871x_cmd.h
@@ -51,7 +51,7 @@ 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 cmd_seq;
 	u8 *cmd_buf;	/*shall be non-paged, and 4 bytes aligned*/
-- 
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