Return-path: Received: from mail-wg0-f52.google.com ([74.125.82.52]:40926 "EHLO mail-wg0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752591Ab3I0P4A (ORCPT ); Fri, 27 Sep 2013 11:56:00 -0400 Received: by mail-wg0-f52.google.com with SMTP id m15so2906189wgh.31 for ; Fri, 27 Sep 2013 08:55:59 -0700 (PDT) Message-ID: <1380297345.2235.34.camel@canaries64-MCP7A> (sfid-20130927_175604_551264_51685AD2) Subject: [PATCH 4/4] staging: vt6656: covert RXvMngWorkItem to work queue From: Malcolm Priestley To: gregkh@linuxfoundation.org Cc: linux-wireless@vger.kernel.org Date: Fri, 27 Sep 2013 16:55:45 +0100 Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: Tasklet to workqueue. RxMngWorkItem -> rx_mng_work_item Reduce atomic area of driver and dependency on system timer. Signed-off-by: Malcolm Priestley --- drivers/staging/vt6656/device.h | 2 +- drivers/staging/vt6656/dpc.c | 6 ++++-- drivers/staging/vt6656/dpc.h | 2 +- drivers/staging/vt6656/main_usb.c | 5 +++-- 4 files changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h index 7e32a40..fa1cefb 100644 --- a/drivers/staging/vt6656/device.h +++ b/drivers/staging/vt6656/device.h @@ -385,7 +385,7 @@ struct vnt_private { struct tasklet_struct CmdWorkItem; struct tasklet_struct EventWorkItem; struct work_struct read_work_item; - struct tasklet_struct RxMngWorkItem; + struct work_struct rx_mng_work_item; u32 rx_buf_sz; int multicast_limit; diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c index 1b0e6a7..82d7c1d 100644 --- a/drivers/staging/vt6656/dpc.c +++ b/drivers/staging/vt6656/dpc.c @@ -559,7 +559,7 @@ int RXbBulkInProcessData(struct vnt_private *pDevice, struct vnt_rcb *pRCB, } if (pDevice->bIsRxMngWorkItemQueued == false) { pDevice->bIsRxMngWorkItemQueued = true; - tasklet_schedule(&pDevice->RxMngWorkItem); + schedule_work(&pDevice->rx_mng_work_item); } } @@ -1390,8 +1390,10 @@ void RXvFreeRCB(struct vnt_rcb *pRCB, int bReAllocSkb) DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"<----RXFreeRCB %d %d\n",pDevice->NumRecvFreeList, pDevice->NumRecvMngList); } -void RXvMngWorkItem(struct vnt_private *pDevice) +void RXvMngWorkItem(struct work_struct *work) { + struct vnt_private *pDevice = + container_of(work, struct vnt_private, rx_mng_work_item); struct vnt_rcb *pRCB = NULL; struct vnt_rx_mgmt *pRxPacket; int bReAllocSkb = false; diff --git a/drivers/staging/vt6656/dpc.h b/drivers/staging/vt6656/dpc.h index aa81bed..8d52434 100644 --- a/drivers/staging/vt6656/dpc.h +++ b/drivers/staging/vt6656/dpc.h @@ -34,7 +34,7 @@ void RXvWorkItem(struct work_struct *work); -void RXvMngWorkItem(void *Context); +void RXvMngWorkItem(struct work_struct *work); void RXvFreeRCB(struct vnt_rcb *pRCB, int bReAllocSkb); diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index 948e723..992b611 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -705,6 +705,7 @@ vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id) INIT_DELAYED_WORK(&pDevice->run_command_work, vRunCommand); INIT_DELAYED_WORK(&pDevice->second_callback_work, BSSvSecondCallBack); INIT_WORK(&pDevice->read_work_item, RXvWorkItem); + INIT_WORK(&pDevice->rx_mng_work_item, RXvMngWorkItem); pDevice->tx_80211 = device_dma0_tx_80211; pDevice->vnt_mgmt.pAdapter = (void *) pDevice; @@ -984,7 +985,7 @@ static int device_open(struct net_device *dev) } vMgrObjectInit(pDevice); - tasklet_init(&pDevice->RxMngWorkItem, (void *)RXvMngWorkItem, (unsigned long)pDevice); + tasklet_init(&pDevice->EventWorkItem, (void *)INTvWorkItem, (unsigned long)pDevice); schedule_delayed_work(&pDevice->second_callback_work, HZ); @@ -1091,8 +1092,8 @@ static int device_close(struct net_device *dev) del_timer(&pDevice->TimerSQ3Tmax2); del_timer(&pDevice->TimerSQ3Tmax3); } - tasklet_kill(&pDevice->RxMngWorkItem); + cancel_work_sync(&pDevice->rx_mng_work_item); cancel_work_sync(&pDevice->read_work_item); tasklet_kill(&pDevice->EventWorkItem); -- 1.8.3.2