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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>
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@ -847,7 +847,7 @@ static irqreturn_t irq_handler(int irq, void *data)
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if (event & OHCI1394_respTxComplete)
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tasklet_schedule(&ohci->at_response_ctx.tasklet);
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iso_event = reg_read(ohci, OHCI1394_IsoRecvIntEventSet);
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iso_event = reg_read(ohci, OHCI1394_IsoRecvIntEventClear);
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reg_write(ohci, OHCI1394_IsoRecvIntEventClear, iso_event);
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while (iso_event) {
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@ -856,7 +856,7 @@ static irqreturn_t irq_handler(int irq, void *data)
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iso_event &= ~(1 << i);
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}
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iso_event = reg_read(ohci, OHCI1394_IsoXmitIntEventSet);
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iso_event = reg_read(ohci, OHCI1394_IsoXmitIntEventClear);
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reg_write(ohci, OHCI1394_IsoXmitIntEventClear, iso_event);
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while (iso_event) {
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