From 81d720d3150dedebec423ac8efbdf6bc2055f1fc Mon Sep 17 00:00:00 2001 From: Malcolm Priestley Date: Fri, 27 Sep 2013 16:53:55 +0100 Subject: [PATCH] staging: vt6656: convert RXvWorkItem to work queue Tasklet to workqueue. ReadWorkItem -> read_work_item Reduce atomic area of driver. Signed-off-by: Malcolm Priestley Signed-off-by: Greg Kroah-Hartman --- drivers/staging/vt6656/device.h | 2 +- drivers/staging/vt6656/dpc.c | 6 ++++-- drivers/staging/vt6656/dpc.h | 2 +- drivers/staging/vt6656/main_usb.c | 8 +++++--- 4 files changed, 11 insertions(+), 7 deletions(-) diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h index 6052f4cdc768..7e32a407d6f2 100644 --- a/drivers/staging/vt6656/device.h +++ b/drivers/staging/vt6656/device.h @@ -384,7 +384,7 @@ struct vnt_private { struct tasklet_struct CmdWorkItem; struct tasklet_struct EventWorkItem; - struct tasklet_struct ReadWorkItem; + struct work_struct read_work_item; struct tasklet_struct RxMngWorkItem; u32 rx_buf_sz; diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c index 29381b466e20..1b0e6a7b93c7 100644 --- a/drivers/staging/vt6656/dpc.c +++ b/drivers/staging/vt6656/dpc.c @@ -1332,8 +1332,10 @@ static int s_bAPModeRxData(struct vnt_private *pDevice, struct sk_buff *skb, return true; } -void RXvWorkItem(struct vnt_private *pDevice) +void RXvWorkItem(struct work_struct *work) { + struct vnt_private *pDevice = + container_of(work, struct vnt_private, read_work_item); int ntStatus; struct vnt_rcb *pRCB = NULL; @@ -1383,7 +1385,7 @@ void RXvFreeRCB(struct vnt_rcb *pRCB, int bReAllocSkb) (pDevice->bIsRxWorkItemQueued == false) ) { pDevice->bIsRxWorkItemQueued = true; - tasklet_schedule(&pDevice->ReadWorkItem); + schedule_work(&pDevice->read_work_item); } DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"<----RXFreeRCB %d %d\n",pDevice->NumRecvFreeList, pDevice->NumRecvMngList); } diff --git a/drivers/staging/vt6656/dpc.h b/drivers/staging/vt6656/dpc.h index 95388dc03ee3..aa81bed0de59 100644 --- a/drivers/staging/vt6656/dpc.h +++ b/drivers/staging/vt6656/dpc.h @@ -32,7 +32,7 @@ #include "device.h" #include "wcmd.h" -void RXvWorkItem(void *Context); +void RXvWorkItem(struct work_struct *work); void RXvMngWorkItem(void *Context); diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index 605c6f390101..17979578da53 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -704,6 +704,7 @@ vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id) spin_lock_init(&pDevice->lock); INIT_DELAYED_WORK(&pDevice->run_command_work, vRunCommand); INIT_DELAYED_WORK(&pDevice->second_callback_work, BSSvSecondCallBack); + INIT_WORK(&pDevice->read_work_item, RXvWorkItem); pDevice->tx_80211 = device_dma0_tx_80211; pDevice->vnt_mgmt.pAdapter = (void *) pDevice; @@ -984,7 +985,6 @@ static int device_open(struct net_device *dev) vMgrObjectInit(pDevice); tasklet_init(&pDevice->RxMngWorkItem, (void *)RXvMngWorkItem, (unsigned long)pDevice); - tasklet_init(&pDevice->ReadWorkItem, (void *)RXvWorkItem, (unsigned long)pDevice); tasklet_init(&pDevice->EventWorkItem, (void *)INTvWorkItem, (unsigned long)pDevice); schedule_delayed_work(&pDevice->second_callback_work, HZ); @@ -1004,7 +1004,7 @@ static int device_open(struct net_device *dev) pDevice->bWPASuppWextEnabled = false; pDevice->byReAssocCount = 0; - RXvWorkItem(pDevice); + schedule_work(&pDevice->read_work_item); INTvWorkItem(pDevice); /* if WEP key already set by iwconfig but device not yet open */ @@ -1092,7 +1092,9 @@ static int device_close(struct net_device *dev) del_timer(&pDevice->TimerSQ3Tmax3); } tasklet_kill(&pDevice->RxMngWorkItem); - tasklet_kill(&pDevice->ReadWorkItem); + + cancel_work_sync(&pDevice->read_work_item); + tasklet_kill(&pDevice->EventWorkItem); pDevice->bRoaming = false; -- 2.30.2