From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753281AbcFFFOR (ORCPT ); Mon, 6 Jun 2016 01:14:17 -0400 Received: from mail-pa0-f43.google.com ([209.85.220.43]:35465 "EHLO mail-pa0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751125AbcFFFOM (ORCPT ); Mon, 6 Jun 2016 01:14:12 -0400 From: Binoy Jayan To: Greg Kroah-Hartman , Larry Finger Cc: Jakub Sitnicki , Arnd Bergmann , driverdev-devel@linuxdriverproject.org, linux-kernel@vger.kernel.org, Binoy Jayan Subject: [PATCH v3 1/4] staging: r8188eu: Replace semaphore cmd_queue_sema with completion Date: Mon, 6 Jun 2016 10:43:52 +0530 Message-Id: <1465190035-10359-2-git-send-email-binoy.jayan@linaro.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1465190035-10359-1-git-send-email-binoy.jayan@linaro.org> References: <1464947943-2008-1-git-send-email-binoy.jayan@linaro.org> <1465190035-10359-1-git-send-email-binoy.jayan@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The semaphore 'cmd_queue_sema' is used as completion, so convert it to struct completion. Signed-off-by: Binoy Jayan Reviewed-by: Arnd Bergmann Acked-by: Larry Finger --- drivers/staging/rtl8188eu/core/rtw_cmd.c | 6 +++--- drivers/staging/rtl8188eu/include/rtw_cmd.h | 2 +- drivers/staging/rtl8188eu/os_dep/os_intfs.c | 2 +- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/staging/rtl8188eu/core/rtw_cmd.c b/drivers/staging/rtl8188eu/core/rtw_cmd.c index 7748523..a2937e7 100644 --- a/drivers/staging/rtl8188eu/core/rtw_cmd.c +++ b/drivers/staging/rtl8188eu/core/rtw_cmd.c @@ -27,7 +27,7 @@ No irqsave is necessary. int rtw_init_cmd_priv(struct cmd_priv *pcmdpriv) { - sema_init(&(pcmdpriv->cmd_queue_sema), 0); + init_completion(&pcmdpriv->cmd_queue_comp); sema_init(&(pcmdpriv->terminate_cmdthread_sema), 0); _rtw_init_queue(&(pcmdpriv->cmd_queue)); @@ -122,7 +122,7 @@ u32 rtw_enqueue_cmd(struct cmd_priv *pcmdpriv, struct cmd_obj *cmd_obj) res = _rtw_enqueue_cmd(&pcmdpriv->cmd_queue, cmd_obj); if (res == _SUCCESS) - up(&pcmdpriv->cmd_queue_sema); + complete(&pcmdpriv->cmd_queue_comp); exit: @@ -167,7 +167,7 @@ int rtw_cmd_thread(void *context) RT_TRACE(_module_rtl871x_cmd_c_, _drv_info_, ("start r871x rtw_cmd_thread !!!!\n")); while (1) { - if (_rtw_down_sema(&pcmdpriv->cmd_queue_sema) == _FAIL) + if (wait_for_completion_interruptible(&pcmdpriv->cmd_queue_comp)) break; if (padapter->bDriverStopped || diff --git a/drivers/staging/rtl8188eu/include/rtw_cmd.h b/drivers/staging/rtl8188eu/include/rtw_cmd.h index 08ca592..3532dd1 100644 --- a/drivers/staging/rtl8188eu/include/rtw_cmd.h +++ b/drivers/staging/rtl8188eu/include/rtw_cmd.h @@ -39,7 +39,7 @@ struct cmd_obj { }; struct cmd_priv { - struct semaphore cmd_queue_sema; + struct completion cmd_queue_comp; struct semaphore terminate_cmdthread_sema; struct __queue cmd_queue; u8 cmdthd_running; diff --git a/drivers/staging/rtl8188eu/os_dep/os_intfs.c b/drivers/staging/rtl8188eu/os_dep/os_intfs.c index ae2caff..a696d2b 100644 --- a/drivers/staging/rtl8188eu/os_dep/os_intfs.c +++ b/drivers/staging/rtl8188eu/os_dep/os_intfs.c @@ -772,7 +772,7 @@ void rtw_stop_drv_threads(struct adapter *padapter) RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+rtw_stop_drv_threads\n")); /* Below is to terminate rtw_cmd_thread & event_thread... */ - up(&padapter->cmdpriv.cmd_queue_sema); + complete(&padapter->cmdpriv.cmd_queue_comp); if (padapter->cmdThread) _rtw_down_sema(&padapter->cmdpriv.terminate_cmdthread_sema); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project