firewire: ohci: do not clear PHY interrupt status inadvertently

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The interrupt status bits in PHY register 5 are cleared by writing a one
bit.  To avoid clearing them unadvertently, do not write them back when
they were read as set, but only when they have been explicitly requested
to be set.

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

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Clemens Ladisch 2010-04-01 16:40:18 +02:00 • committed by Stefan Richter

parent 4a96b4fcd6

commit e7014dada0

2 changed files with 8 additions and 0 deletions

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1

drivers/firewire/core.h

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7

drivers/firewire/ohci.c

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