firewire: ohci: optimize iso context checks in the interrupt handler
commit2dd5bed59356e03610bebe1a37c397788df50b9b
authorClemens Ladisch <clemens@ladisch.de>
Tue, 30 Nov 2010 07:25:05 +0000 (30 08:25 +0100)
committerStefan Richter <stefanr@s5r6.in-berlin.de>
Mon, 13 Dec 2010 19:39:14 +0000 (13 20:39 +0100)
treec1d069389a923d3b33ead320003e39d19ee86975
parent5b06db166c4d38638980283505259fa165d4f369
firewire: ohci: optimize iso context checks in the interrupt handler

When the isochRx/isochTx bit is clear, we do not need to read the
corresponding iso interrupt event register.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
drivers/firewire/ohci.c