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authorVijaya Mohan Guvva2013-05-13 02:33:26 -0700
committerJames Bottomley2013-06-26 13:12:19 -0700
commitc679b599afa5dd38d20e058aa68bc94c1c1416a1 (patch)
tree605da11cd1b832a1254ba81ba6934482c87065df /CREDITS
parentf2a0cc3ffd5ee123086b8e76522a85a937d89878 (diff)
[SCSI] bfa: kdump fix on 815 and 825 adapters
Root cause: When kernel crashes, On brocade 815/825 adapters, bfa IOC state machine and FW doesn't get a notification and hence are not cleanly shutdown. So registers holding driver/IOC state information are not reset back to valid disabled/parking values. This causes subsequent driver initialization to fail during kdump kernel boot. Fix description: during the initialization of first PCI function, reset corresponding register when unclean shutown is detect by reading chip registers. This will make sure that ioc/fw gets clean re-initialization. Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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