| commit | 071595ebdc66d70219e2d1ce746016f64b2b19e7 | [log] [tgz] |
|---|---|---|
| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | Tue Jul 27 13:20:33 2010 +0200 |
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | Thu Jul 29 23:06:25 2010 +0200 |
| tree | 3083b0de17a6d0633420ffda1dfa04a0b4b880b2 | |
| parent | 8e2b2b46ea4ca5ef790dddf78b360ed736a62d7c [diff] |
firewire: ohci: use memory barriers to order descriptor updates When we append to a DMA program, we need to ensure that the order in which initialization of the new descriptors and update of the branch_address of the old tail descriptor, as seen by the PCI device, happen as intended. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>