diff options
| author | Wolfgang Muees <[email protected]> | 2010-03-05 13:43:40 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2010-03-06 11:26:41 -0800 |
| commit | 3780d90602dfef6df3d8b39b203d6bf7fb99f22a (patch) | |
| tree | a61cd2a3e8925e0a60e6fb21a973154a9c63d45b /tools/perf/scripts/python | |
| parent | a04ac5b9b45a7adec7d3ee3968e677b6e4b98f25 (diff) | |
mmc: at91_mci: use one coherent DMA buffer
The TX DMA buffer is allocated only once, because the
allocation/deallocation of the buffer for EACH chunk of data is
time-consuming and prone to memory fragmentation.
Using a coherent DMA buffer avoids extra data cache calls.
[[email protected]: coding style modifications]
Signed-off-by: Wolfgang Muees <[email protected]>
Signed-off-by: Nicolas Ferre <[email protected]>
Cc: Andrew Victor <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions