Signed-off-by: Matthias Beyer <m...@beyermatthias.de> --- drivers/staging/bcm/InterfaceTx.c | 86 +++++++++++++++++++++++++++------------ 1 file changed, 61 insertions(+), 25 deletions(-)
diff --git a/drivers/staging/bcm/InterfaceTx.c b/drivers/staging/bcm/InterfaceTx.c index ea7707b..b1f2899 100644 --- a/drivers/staging/bcm/InterfaceTx.c +++ b/drivers/staging/bcm/InterfaceTx.c @@ -5,37 +5,47 @@ static void write_bulk_callback(struct urb *urb/*, struct pt_regs *regs*/) { struct bcm_usb_tcb *pTcb = (struct bcm_usb_tcb *)urb->context; struct bcm_interface_adapter *psIntfAdapter = pTcb->psIntfAdapter; - struct bcm_link_request *pControlMsg = (struct bcm_link_request *)urb->transfer_buffer; + struct bcm_link_request *pControlMsg = + (struct bcm_link_request *)urb->transfer_buffer; struct bcm_mini_adapter *psAdapter = psIntfAdapter->psAdapter; bool bpowerDownMsg = false; struct bcm_mini_adapter *Adapter = GET_BCM_ADAPTER(gblpnetdev); if (unlikely(netif_msg_tx_done(Adapter))) - pr_info(PFX "%s: transmit status %d\n", Adapter->dev->name, urb->status); + pr_info(PFX "%s: transmit status %d\n", Adapter->dev->name, + urb->status); if (urb->status != STATUS_SUCCESS) { if (urb->status == -EPIPE) { psIntfAdapter->psAdapter->bEndPointHalted = TRUE; wake_up(&psIntfAdapter->psAdapter->tx_packet_wait_queue); } else { - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, NEXT_SEND, DBG_LVL_ALL, "Tx URB has got cancelled. status :%d", urb->status); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, NEXT_SEND, + DBG_LVL_ALL, + "Tx URB has got cancelled. status :%d", + urb->status); } } pTcb->bUsed = false; atomic_dec(&psIntfAdapter->uNumTcbUsed); - - if (TRUE == psAdapter->bPreparingForLowPowerMode) { if (((pControlMsg->szData[0] == GO_TO_IDLE_MODE_PAYLOAD) && - (pControlMsg->szData[1] == TARGET_CAN_GO_TO_IDLE_MODE))) { + (pControlMsg->szData[1] == + TARGET_CAN_GO_TO_IDLE_MODE))) { + bpowerDownMsg = TRUE; - /* This covers the bus err while Idle Request msg sent down. */ + /* + * This covers the bus err while Idle Request msg + * sent down. + */ if (urb->status != STATUS_SUCCESS) { psAdapter->bPreparingForLowPowerMode = false; - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, NEXT_SEND, DBG_LVL_ALL, "Idle Mode Request msg failed to reach to Modem"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, NEXT_SEND, + DBG_LVL_ALL, + "Idle Mode Request msg failed to reach to Modem"); /* Signalling the cntrl pkt path in Ioctl */ wake_up(&psAdapter->lowpower_mode_wait_queue); StartInterruptUrb(psIntfAdapter); @@ -47,19 +57,28 @@ static void write_bulk_callback(struct urb *urb/*, struct pt_regs *regs*/) /* since going in Idle mode completed hence making this var false */ psAdapter->bPreparingForLowPowerMode = false; - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, NEXT_SEND, DBG_LVL_ALL, "Host Entered in Idle Mode State..."); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, NEXT_SEND, + DBG_LVL_ALL, + "Host Entered in Idle Mode State..."); /* Signalling the cntrl pkt path in Ioctl*/ wake_up(&psAdapter->lowpower_mode_wait_queue); } - } else if ((pControlMsg->Leader.Status == LINK_UP_CONTROL_REQ) && + } else if ((pControlMsg->Leader.Status == + LINK_UP_CONTROL_REQ) && (pControlMsg->szData[0] == LINK_UP_ACK) && - (pControlMsg->szData[1] == LINK_SHUTDOWN_REQ_FROM_FIRMWARE) && + (pControlMsg->szData[1] == + LINK_SHUTDOWN_REQ_FROM_FIRMWARE) && (pControlMsg->szData[2] == SHUTDOWN_ACK_FROM_DRIVER)) { - /* This covers the bus err while shutdown Request msg sent down. */ + /* + * This covers the bus err while shutdown Request + * msg sent down. + */ if (urb->status != STATUS_SUCCESS) { psAdapter->bPreparingForLowPowerMode = false; - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, NEXT_SEND, DBG_LVL_ALL, "Shutdown Request Msg failed to reach to Modem"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, NEXT_SEND, + DBG_LVL_ALL, + "Shutdown Request Msg failed to reach to Modem"); /* Signalling the cntrl pkt path in Ioctl */ wake_up(&psAdapter->lowpower_mode_wait_queue); StartInterruptUrb(psIntfAdapter); @@ -69,9 +88,14 @@ static void write_bulk_callback(struct urb *urb/*, struct pt_regs *regs*/) bpowerDownMsg = TRUE; if (psAdapter->bDoSuspend == false) { psAdapter->bShutStatus = TRUE; - /* since going in shutdown mode completed hence making this var false */ + /* + * since going in shutdown mode completed hence + * making this var false + */ psAdapter->bPreparingForLowPowerMode = false; - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, NEXT_SEND, DBG_LVL_ALL, "Host Entered in shutdown Mode State..."); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, NEXT_SEND, + DBG_LVL_ALL, + "Host Entered in shutdown Mode State..."); /* Signalling the cntrl pkt path in Ioctl */ wake_up(&psAdapter->lowpower_mode_wait_queue); } @@ -79,7 +103,9 @@ static void write_bulk_callback(struct urb *urb/*, struct pt_regs *regs*/) if (psAdapter->bDoSuspend && bpowerDownMsg) { /* issuing bus suspend request */ - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, NEXT_SEND, DBG_LVL_ALL, "Issuing the Bus suspend request to USB stack"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, NEXT_SEND, + DBG_LVL_ALL, + "Issuing the Bus suspend request to USB stack"); psIntfAdapter->bPreparingForBusSuspend = TRUE; schedule_work(&psIntfAdapter->usbSuspendWork); @@ -104,8 +130,11 @@ static struct bcm_usb_tcb *GetBulkOutTcb(struct bcm_interface_adapter *psIntfAda pTcb = &psIntfAdapter->asUsbTcb[index]; pTcb->bUsed = TRUE; pTcb->psIntfAdapter = psIntfAdapter; - BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_TX, NEXT_SEND, DBG_LVL_ALL, "Got Tx desc %d used %d", - index, atomic_read(&psIntfAdapter->uNumTcbUsed)); + BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_TX, + NEXT_SEND, DBG_LVL_ALL, + "Got Tx desc %d used %d", + index, + atomic_read(&psIntfAdapter->uNumTcbUsed)); index = (index + 1) % MAXIMUM_USB_TCB; atomic_set(&psIntfAdapter->uCurrTcb, index); atomic_inc(&psIntfAdapter->uNumTcbUsed); @@ -113,7 +142,8 @@ static struct bcm_usb_tcb *GetBulkOutTcb(struct bcm_interface_adapter *psIntfAda return pTcb; } -static int TransmitTcb(struct bcm_interface_adapter *psIntfAdapter, struct bcm_usb_tcb *pTcb, PVOID data, int len) +static int TransmitTcb(struct bcm_interface_adapter *psIntfAdapter, + struct bcm_usb_tcb *pTcb, PVOID data, int len) { struct urb *urb = pTcb->urb; @@ -122,15 +152,18 @@ static int TransmitTcb(struct bcm_interface_adapter *psIntfAdapter, struct bcm_u urb->transfer_buffer = usb_alloc_coherent(psIntfAdapter->udev, len, GFP_ATOMIC, &urb->transfer_dma); if (!urb->transfer_buffer) { - BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "Error allocating memory\n"); + BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, + "Error allocating memory\n"); return -ENOMEM; } memcpy(urb->transfer_buffer, data, len); urb->transfer_buffer_length = len; - BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_TX, NEXT_SEND, DBG_LVL_ALL, "Sending Bulk out packet\n"); + BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_TX, NEXT_SEND, + DBG_LVL_ALL, "Sending Bulk out packet\n"); /* For T3B,INT OUT end point will be used as bulk out end point */ - if ((psIntfAdapter->psAdapter->chip_id == T3B) && (psIntfAdapter->bHighSpeedDevice == TRUE)) { + if ((psIntfAdapter->psAdapter->chip_id == T3B) && + (psIntfAdapter->bHighSpeedDevice == TRUE)) { usb_fill_int_urb(urb, psIntfAdapter->udev, psIntfAdapter->sBulkOut.bulk_out_pipe, urb->transfer_buffer, len, write_bulk_callback, pTcb, @@ -148,7 +181,10 @@ static int TransmitTcb(struct bcm_interface_adapter *psIntfAdapter, struct bcm_u false == psIntfAdapter->bPreparingForBusSuspend) { retval = usb_submit_urb(urb, GFP_ATOMIC); if (retval) { - BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_TX, NEXT_SEND, DBG_LVL_ALL, "failed submitting write urb, error %d", retval); + BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_TX, + NEXT_SEND, DBG_LVL_ALL, + "failed submitting write urb, error %d", + retval); if (retval == -EPIPE) { psIntfAdapter->psAdapter->bEndPointHalted = TRUE; wake_up(&psIntfAdapter->psAdapter->tx_packet_wait_queue); @@ -165,10 +201,10 @@ int InterfaceTransmitPacket(PVOID arg, PVOID data, UINT len) struct bcm_interface_adapter *psIntfAdapter = arg; pTcb = GetBulkOutTcb(psIntfAdapter); if (pTcb == NULL) { - BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "No URB to transmit packet, dropping packet"); + BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, + "No URB to transmit packet, dropping packet"); return -EFAULT; } return TransmitTcb(psIntfAdapter, pTcb, data, len); } - -- 2.0.1 _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel