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authorTejun Heo2010-06-07 15:15:08 +0200
committerJeff Garzik2010-06-07 16:03:15 -0400
commit0ee719527229fa86ace8e3abccae3c2a8bbfd6db (patch)
tree7c9e76554f55af8101f38b8e3338529b66b4d275 /crypto/shash.c
parent7a4f876b876afb13856a79a0402f71b9dfbe86a8 (diff)
ahci: redo stopping DMA engines on empty ports
Commit 96d60303fd (ahci: Turn off DMA engines when there's no device) implemented stopping DMA engines on empty ports but it used single sampling of status registers to determine device presence which led to disabling of DMA engines on occupied ports. Do it after all EH actions are complete using device presence state determined by EH. This avoids spurious disabling of DMA engines and simplifies the code. Signed-off-by: Tejun Heo <tj@kernel.org> Tested-by: Marc Dionne <marc.c.dionne@gmail.com> Cc: Matthew Garrett <mjg@redhat.com> Cc: Robert Hancock <hancockrwd@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'crypto/shash.c')
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