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Commit c889475f authored by Kristian Høgsberg's avatar Kristian Høgsberg Committed by Stefan Richter
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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: default avatarKristian Høgsberg <krh@redhat.com>
Signed-off-by: default avatarStefan Richter <stefanr@s5r6.in-berlin.de>
parent cbb59da7

drivers/firewire/fw-ohci.c

+2 −2
Original line number Diff line number Diff line
@@ -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) {