tree d39bce48f29aa9ce6f23f15e73fab8333d91bc75
parent f2427e276ffec5ce599c6bc116e0927269a360ef
author Dan Williams <dan.j.williams@intel.com> 1248817444 -0700
committer Dan Williams <dan.j.williams@intel.com> 1252456194 -0700

ioat: fix type mismatch for ->dmacount

->dmacount tracks the sequence number of active descriptors.  It is
written to the DMACOUNT register to update the channel's view of pending
descriptors in the chain.  The register is 16-bits so ->dmacount should
be unsigned and 16-bit as well.  Also modify ->desccount to maintain
alignment.

This was never a problem in practice because we never compared dmacount
values, but this is a bug waiting to happen.

Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>