diff options
| author | hauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-09-16 19:46:34 +0000 |
|---|---|---|
| committer | hauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-09-16 19:46:34 +0000 |
| commit | b26442280afd6b5f638a904be97ceb94b8a8d341 (patch) | |
| tree | 5e7f5e4c0c07a8989d61ad3e95bba43e73d2a7fe /target/linux/cobalt | |
| parent | 16456c35e76d640037bc41f80ec1326f44405b66 (diff) | |
brcm47xx: bgmac: implement unaligned addressing for DMA rings that support it
This is important patch for new devices that support unaligned
addressing. That devices suffer from the backward-compatibility bug in
DMA engine. In theory we should be able to use old mechanism, but in
practice DMA address seems to be randomly copied into status register
when hardware reaches end of a ring. This breaks reading slot number
from status register and we can't use DMA anymore.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38004 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/cobalt')
0 files changed, 0 insertions, 0 deletions