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authorRon Mercer <ron.mercer@qlogic.com>2009-10-05 13:46:48 +0200
committerDavid S. Miller <davem@davemloft.net>2009-10-07 02:33:36 +0200
commit5ee22a5aa9cd85527b93b24402db9ae2567d5aa6 (patch)
tree3aab2dc6c3507a3e0b5cd0d13c15d3523dab8f2c /drivers
parentqlge: Fix some bit definitions for reset register. (diff)
downloadlinux-5ee22a5aa9cd85527b93b24402db9ae2567d5aa6.tar.xz
linux-5ee22a5aa9cd85527b93b24402db9ae2567d5aa6.zip
qlge: Fix queueing of firmware handler in ISR.
Check that we are not already polling firmware events before we queue the firmware event worker, then disable firmware interrupts. Otherwise we can queue the same event multiple times. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/qlge/qlge_main.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 3d0efea32111..c21eda03fa5a 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -2001,15 +2001,17 @@ static irqreturn_t qlge_isr(int irq, void *dev_id)
/*
* Check MPI processor activity.
*/
- if (var & STS_PI) {
+ if ((var & STS_PI) &&
+ (ql_read32(qdev, INTR_MASK) & INTR_MASK_PI)) {
/*
* We've got an async event or mailbox completion.
* Handle it and clear the source of the interrupt.
*/
QPRINTK(qdev, INTR, ERR, "Got MPI processor interrupt.\n");
ql_disable_completion_interrupt(qdev, intr_context->intr);
- queue_delayed_work_on(smp_processor_id(), qdev->workqueue,
- &qdev->mpi_work, 0);
+ ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16));
+ queue_delayed_work_on(smp_processor_id(),
+ qdev->workqueue, &qdev->mpi_work, 0);
work_done++;
}