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yaml
---
r: 355026
b: refs/heads/master
c: 7b4f2d3
h: refs/heads/master
v: v3
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Jon Mason authored and Greg Kroah-Hartman committed Jan 20, 2013
1 parent b406188 commit 8bcdf01
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Showing 2 changed files with 18 additions and 4 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: ef114ed5064d35982c16f5cbb338fb586ef48bf7
refs/heads/master: 7b4f2d3c3b8285fe63cae6b92c7b7030d1d1aa7c
20 changes: 17 additions & 3 deletions trunk/drivers/ntb/ntb_transport.c
Original file line number Diff line number Diff line change
Expand Up @@ -110,6 +110,7 @@ struct ntb_transport_qp {

void (*event_handler) (void *data, int status);
struct delayed_work link_work;
struct work_struct link_cleanup;

struct dentry *debugfs_dir;
struct dentry *debugfs_stats;
Expand Down Expand Up @@ -148,6 +149,7 @@ struct ntb_transport {
unsigned long qp_bitmap;
bool transport_link;
struct delayed_work link_work;
struct work_struct link_cleanup;
struct dentry *debugfs_dir;
};

Expand Down Expand Up @@ -510,8 +512,11 @@ static int ntb_set_mw(struct ntb_transport *nt, int num_mw, unsigned int size)
return 0;
}

static void ntb_qp_link_down(struct ntb_transport_qp *qp)
static void ntb_qp_link_cleanup(struct work_struct *work)
{
struct ntb_transport_qp *qp = container_of(work,
struct ntb_transport_qp,
link_cleanup);
struct ntb_transport *nt = qp->transport;
struct pci_dev *pdev = ntb_query_pdev(nt->ndev);

Expand All @@ -531,8 +536,15 @@ static void ntb_qp_link_down(struct ntb_transport_qp *qp)
msecs_to_jiffies(NTB_LINK_DOWN_TIMEOUT));
}

static void ntb_transport_conn_down(struct ntb_transport *nt)
static void ntb_qp_link_down(struct ntb_transport_qp *qp)
{
schedule_work(&qp->link_cleanup);
}

static void ntb_transport_link_cleanup(struct work_struct *work)
{
struct ntb_transport *nt = container_of(work, struct ntb_transport,
link_cleanup);
int i;

if (nt->transport_link == NTB_LINK_DOWN)
Expand Down Expand Up @@ -562,7 +574,7 @@ static void ntb_transport_event_callback(void *data, enum ntb_hw_event event)
schedule_delayed_work(&nt->link_work, 0);
break;
case NTB_EVENT_HW_LINK_DOWN:
ntb_transport_conn_down(nt);
schedule_work(&nt->link_cleanup);
break;
default:
BUG();
Expand Down Expand Up @@ -769,6 +781,7 @@ static void ntb_transport_init_queue(struct ntb_transport *nt,
}

INIT_DELAYED_WORK(&qp->link_work, ntb_qp_link_work);
INIT_WORK(&qp->link_cleanup, ntb_qp_link_cleanup);

spin_lock_init(&qp->ntb_rx_pend_q_lock);
spin_lock_init(&qp->ntb_rx_free_q_lock);
Expand Down Expand Up @@ -814,6 +827,7 @@ int ntb_transport_init(struct pci_dev *pdev)
ntb_transport_init_queue(nt, i);

INIT_DELAYED_WORK(&nt->link_work, ntb_transport_link_work);
INIT_WORK(&nt->link_cleanup, ntb_transport_link_cleanup);

rc = ntb_register_event_callback(nt->ndev,
ntb_transport_event_callback);
Expand Down

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