diff options
| author | Chris Snook <csnook@redhat.com> | 2007-09-20 15:57:15 -0400 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 19:53:49 -0400 |
| commit | cdcc520d7b73445c3552a70786afed9a2b22c010 (patch) | |
| tree | 948eb73c7ca53c27736151739d99655e909e5b63 /include/linux/phy_fixed.h | |
| parent | 01faccbf866195831af202de59f37e29467a3d74 (diff) | |
atl1: explain 32-bit DMA restriction
Document the fact that atl1 uses a single shared register for the high 32
bits of 64-bit DMA addresses, making 64-bit DMA more trouble than it's worth.
Signed-off-by: Chris Snook <csnook@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'include/linux/phy_fixed.h')
0 files changed, 0 insertions, 0 deletions