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authorKevin Wolf <kwolf@redhat.com>2015-07-26 23:42:53 -0400
committerJohn Snow <jsnow@redhat.com>2015-07-26 23:42:53 -0400
commitcb72cba83021fa42719e73a5249c12096a4d1cfc (patch)
treeefca83e551a1e5af9b2fa90b87ccfb50e0f85477 /hw/ssi
parent03441c3a4a42beb25460dd11592539030337d0f8 (diff)
downloadhqemu-cb72cba83021fa42719e73a5249c12096a4d1cfc.zip
hqemu-cb72cba83021fa42719e73a5249c12096a4d1cfc.tar.gz
ide: Clear DRQ after handling all expected accesses
This is additional hardening against an end_transfer_func that fails to clear the DRQ status bit. The bit must be unset as soon as the PIO transfer has completed, so it's better to do this in a central place instead of duplicating the code in all commands (and forgetting it in some). Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com>
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