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| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2010-07-27 13:20:33 +0200 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2010-07-29 23:06:25 +0200 |
| commit | 071595ebdc66d70219e2d1ce746016f64b2b19e7 (patch) | |
| tree | 3083b0de17a6d0633420ffda1dfa04a0b4b880b2 /drivers/tc/tc.c | |
| parent | 8e2b2b46ea4ca5ef790dddf78b360ed736a62d7c (diff) | |
| download | op-kernel-dev-071595ebdc66d70219e2d1ce746016f64b2b19e7.zip op-kernel-dev-071595ebdc66d70219e2d1ce746016f64b2b19e7.tar.gz | |
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>
Diffstat (limited to 'drivers/tc/tc.c')
0 files changed, 0 insertions, 0 deletions
