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Commit cb190546 authored by Jie Yang's avatar Jie Yang Committed by David S. Miller
Browse files

atl1c:use common_task instead of reset_task and link_chg_task 



use common_task instead of reset_task and link_chg_task, so it fix "call cancel_work_sync
from the work itself".

Signed-off-by: default avatarJie Yang <jie.yang@atheros.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4b45e342

drivers/net/atl1c/atl1c.h

+4 −2
Original line number Diff line number Diff line
@@ -555,6 +555,9 @@ struct atl1c_adapter { 
#define __AT_TESTING        0x0001

#define __AT_RESETTING      0x0002

#define __AT_DOWN           0x0003

	u8 work_event;

#define ATL1C_WORK_EVENT_RESET 		0x01

#define ATL1C_WORK_EVENT_LINK_CHANGE	0x02

	u32 msg_enable;



	bool have_msi;
@@ -566,8 +569,7 @@ struct atl1c_adapter { 
	spinlock_t tx_lock;

	atomic_t irq_sem;



	struct work_struct reset_task;

	struct work_struct link_chg_task;

	struct work_struct common_task;

	struct timer_list watchdog_timer;

	struct timer_list phy_config_timer;

drivers/net/atl1c/atl1c_main.c

+33 −39
Original line number Diff line number Diff line
@@ -198,27 +198,12 @@ static void atl1c_phy_config(unsigned long data) 


void atl1c_reinit_locked(struct atl1c_adapter *adapter)

{



	WARN_ON(in_interrupt());

	atl1c_down(adapter);

	atl1c_up(adapter);

	clear_bit(__AT_RESETTING, &adapter->flags);

}



static void atl1c_reset_task(struct work_struct *work)

{

	struct atl1c_adapter *adapter;

	struct net_device *netdev;



	adapter = container_of(work, struct atl1c_adapter, reset_task);

	netdev = adapter->netdev;



	netif_device_detach(netdev);

	atl1c_down(adapter);

	atl1c_up(adapter);

	netif_device_attach(netdev);

}



static void atl1c_check_link_status(struct atl1c_adapter *adapter)

{

	struct atl1c_hw *hw = &adapter->hw;
@@ -275,18 +260,6 @@ static void atl1c_check_link_status(struct atl1c_adapter *adapter) 
	}

}



/*

 * atl1c_link_chg_task - deal with link change event Out of interrupt context

 * @netdev: network interface device structure

 */

static void atl1c_link_chg_task(struct work_struct *work)

{

	struct atl1c_adapter *adapter;



	adapter = container_of(work, struct atl1c_adapter, link_chg_task);

	atl1c_check_link_status(adapter);

}



static void atl1c_link_chg_event(struct atl1c_adapter *adapter)

{

	struct net_device *netdev = adapter->netdev;
@@ -311,20 +284,40 @@ static void atl1c_link_chg_event(struct atl1c_adapter *adapter) 
			adapter->link_speed = SPEED_0;

		}

	}

	schedule_work(&adapter->link_chg_task);



	adapter->work_event |= ATL1C_WORK_EVENT_LINK_CHANGE;

	schedule_work(&adapter->common_task);

}



static void atl1c_del_timer(struct atl1c_adapter *adapter)

static void atl1c_common_task(struct work_struct *work)

{

	del_timer_sync(&adapter->phy_config_timer);

	struct atl1c_adapter *adapter;

	struct net_device *netdev;



	adapter = container_of(work, struct atl1c_adapter, common_task);

	netdev = adapter->netdev;



	if (adapter->work_event & ATL1C_WORK_EVENT_RESET) {

		netif_device_detach(netdev);

		atl1c_down(adapter);

		atl1c_up(adapter);

		netif_device_attach(netdev);

		return;

	}



	if (adapter->work_event & ATL1C_WORK_EVENT_LINK_CHANGE)

		atl1c_check_link_status(adapter);



	return;

}



static void atl1c_cancel_work(struct atl1c_adapter *adapter)



static void atl1c_del_timer(struct atl1c_adapter *adapter)

{

	cancel_work_sync(&adapter->reset_task);

	cancel_work_sync(&adapter->link_chg_task);

	del_timer_sync(&adapter->phy_config_timer);

}





/*

 * atl1c_tx_timeout - Respond to a Tx Hang

 * @netdev: network interface device structure
@@ -334,7 +327,8 @@ static void atl1c_tx_timeout(struct net_device *netdev) 
	struct atl1c_adapter *adapter = netdev_priv(netdev);



	/* Do the reset outside of interrupt context */

	schedule_work(&adapter->reset_task);

	adapter->work_event |= ATL1C_WORK_EVENT_RESET;

	schedule_work(&adapter->common_task);

}



/*
@@ -1539,7 +1533,8 @@ static irqreturn_t atl1c_intr(int irq, void *data) 
			/* reset MAC */

			hw->intr_mask &= ~ISR_ERROR;

			AT_WRITE_REG(hw, REG_IMR, hw->intr_mask);

			schedule_work(&adapter->reset_task);

			adapter->work_event |= ATL1C_WORK_EVENT_RESET;

			schedule_work(&adapter->common_task);

			break;

		}
@@ -2208,8 +2203,7 @@ void atl1c_down(struct atl1c_adapter *adapter) 
	struct net_device *netdev = adapter->netdev;



	atl1c_del_timer(adapter);

	atl1c_cancel_work(adapter);



	adapter->work_event = 0; /* clear all event */

	/* signal that we're down so the interrupt handler does not

	 * reschedule our watchdog timer */

	set_bit(__AT_DOWN, &adapter->flags);
@@ -2609,8 +2603,8 @@ static int __devinit atl1c_probe(struct pci_dev *pdev, 
			adapter->hw.mac_addr[4], adapter->hw.mac_addr[5]);



	atl1c_hw_set_mac_addr(&adapter->hw);

	INIT_WORK(&adapter->reset_task, atl1c_reset_task);

	INIT_WORK(&adapter->link_chg_task, atl1c_link_chg_task);

	INIT_WORK(&adapter->common_task, atl1c_common_task);

	adapter->work_event = 0;

	err = register_netdev(netdev);

	if (err) {

		dev_err(&pdev->dev, "register netdevice failed\n");