commit 1d32f7696286eef9e5644eb57e79a36756274357
author Rasesh Mody <rmody@brocade.com> Thu Dec 23 21:45:09 2010 +0000
committer David S. Miller <davem@davemloft.net> Sat Dec 25 19:16:03 2010 -0800
tree b31e78cc2c72ae9893ac8dea1401cff2b94e104e
parent aad75b66f1d3784514351f06bc589c55d5325bc8

bna: IOC failure auto recovery fix

Change Details:
	- Made IOC auto_recovery synchronized and not timer based.
	- Only one PCI function will attempt to recover and reinitialize
	the ASIC on a failure, that too after all the active PCI
	functions acknowledge the IOC failure.

Signed-off-by: Debashis Dutt <ddutt@brocade.com>
Signed-off-by: Rasesh Mody <rmody@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/bna/bnad.c

diff --git a/drivers/net/bna/bnad.c b/drivers/net/bna/bnad.c
index 140ea95..fad9126 100644
--- a/drivers/net/bna/bnad.c
+++ b/drivers/net/bna/bnad.c
@@ -1425,13 +1425,24 @@
 }
 
 static void
-bnad_ioc_sem_timeout(unsigned long data)
+bnad_iocpf_timeout(unsigned long data)
 {
 	struct bnad *bnad = (struct bnad *)data;
 	unsigned long flags;
 
 	spin_lock_irqsave(&bnad->bna_lock, flags);
-	bfa_nw_ioc_sem_timeout((void *) &bnad->bna.device.ioc);
+	bfa_nw_iocpf_timeout((void *) &bnad->bna.device.ioc);
+	spin_unlock_irqrestore(&bnad->bna_lock, flags);
+}
+
+static void
+bnad_iocpf_sem_timeout(unsigned long data)
+{
+	struct bnad *bnad = (struct bnad *)data;
+	unsigned long flags;
+
+	spin_lock_irqsave(&bnad->bna_lock, flags);
+	bfa_nw_iocpf_sem_timeout((void *) &bnad->bna.device.ioc);
 	spin_unlock_irqrestore(&bnad->bna_lock, flags);
 }
 
@@ -3132,11 +3143,13 @@
 				((unsigned long)bnad));
 	setup_timer(&bnad->bna.device.ioc.hb_timer, bnad_ioc_hb_check,
 				((unsigned long)bnad));
-	setup_timer(&bnad->bna.device.ioc.sem_timer, bnad_ioc_sem_timeout,
+	setup_timer(&bnad->bna.device.ioc.iocpf_timer, bnad_iocpf_timeout,
+				((unsigned long)bnad));
+	setup_timer(&bnad->bna.device.ioc.sem_timer, bnad_iocpf_sem_timeout,
 				((unsigned long)bnad));
 
 	/* Now start the timer before calling IOC */
-	mod_timer(&bnad->bna.device.ioc.ioc_timer,
+	mod_timer(&bnad->bna.device.ioc.iocpf_timer,
 		  jiffies + msecs_to_jiffies(BNA_IOC_TIMER_FREQ));
 
 	/*