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authorStefan Richter <stefanr@s5r6.in-berlin.de>2011-06-22 21:05:08 +0200
committerStefan Richter <stefanr@s5r6.in-berlin.de>2011-07-09 17:12:08 +0200
commit215fa444c2a6d571f1f915cf3dc7a8b01cc51a0a (patch)
tree9279ad6fd8bf755cb059ab9d89dd061ac2147f93 /block
parentb14c369d87d7fbf120ad21919d34a8f1290290f1 (diff)
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firewire: ohci: fix PHY reg access after card ejection
Detect and handle ejection of FireWire CardBus cards in PHY register accesses: - The last attempt of firewire-core to reset the bus during shutdown caused a spurious "firewire_ohci: failed to write phy reg" error message in the log. Skip this message as well as the prior retry loop that needlessly took 100 milliseconds. - In the unlikely case that a PHY register was read right after card ejection, a bogus value was obtained and possibly acted upon. Instead, fail the read attempt. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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