From: Kristian Høgsberg <krh@redhat.com>
Date: Fri, 16 Feb 2007 22:34:36 +0000 (-0500)
Subject: firewire: Read the *Clear versions of the iso interrupt register.
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c889475fb57bfe30091b42e58eb6b76edd355d45;p=linux-beck.git

firewire: Read the *Clear versions of the iso interrupt register.

The *Clear registers returns the masked value when read which is
what we want.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---

diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index 4d54ebf0b192..72f80361fc43 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -847,7 +847,7 @@ static irqreturn_t irq_handler(int irq, void *data)
 	if (event & OHCI1394_respTxComplete)
 		tasklet_schedule(&ohci->at_response_ctx.tasklet);
 
-	iso_event = reg_read(ohci, OHCI1394_IsoRecvIntEventSet);
+	iso_event = reg_read(ohci, OHCI1394_IsoRecvIntEventClear);
 	reg_write(ohci, OHCI1394_IsoRecvIntEventClear, iso_event);
 
 	while (iso_event) {
@@ -856,7 +856,7 @@ static irqreturn_t irq_handler(int irq, void *data)
 		iso_event &= ~(1 << i);
 	}
 
-	iso_event = reg_read(ohci, OHCI1394_IsoXmitIntEventSet);
+	iso_event = reg_read(ohci, OHCI1394_IsoXmitIntEventClear);
 	reg_write(ohci, OHCI1394_IsoXmitIntEventClear, iso_event);
 
 	while (iso_event) {