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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>
hifive-unleashed-5.1
Kristian Høgsberg 2007-02-16 17:34:36 -05:00 committed by Stefan Richter
parent cbb59da719
commit c889475fb5
1 changed files with 2 additions and 2 deletions
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4
drivers/firewire/fw-ohci.c
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@ -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) {