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(parent: f21f237) | patch
iop-adma: add a dummy read to flush next descriptor update
authorDan Williams <dan.j.williams@intel.com>
Tue, 11 Nov 2008 20:12:33 +0000 (13:12 -0700)
committerDan Williams <dan.j.williams@intel.com>
Tue, 11 Nov 2008 20:12:33 +0000 (13:12 -0700)
commit137cb55c6dcd56cb367285adaf15f808a2a9fec7
tree4828887b960a451d7ab09a4250b472a2a9f97884tree | snapshot (tar.gz zip)
parentf21f237cf55494c3a4209de323281a3b0528da10commit | diff
iop-adma: add a dummy read to flush next descriptor update

The current dummy read references the wrong address allowing the next
descriptor address update to linger in the store buffer and get passed
by an 'append' event.

This issue was uncovered by the change from strongly-ordered to device
memory for the adma registers.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
drivers/dma/iop-adma.c diff | blob | blame | history