diff options
| author | Liu Gang <Gang.Liu@nxp.com> | 2016-06-07 14:55:46 +0800 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2016-06-16 08:43:10 +0800 |
| commit | f8ed1d9b0f6758db7e2b65b6e88f8a923a3a22ab (patch) | |
| tree | 3ac59ba597183f3ec38f1c23383411c627170823 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | 2f082b13f2ef89548d5629d9bbf8795ed246a0ec (diff) | |
arm64: dts: ls1043a: Add 'dma-coherent' for ls1043a PCI nodes
The 'dma-coherent' indicates that the hardware IP block can ensure
the coherency of the data transferred from/to the IP block. This
can avoid the software cache flush/invalid actions, and improve
the performance significantly.
The PCI IP block of ls1043a has this capability, so adding this
feature to improve the PCI performance.
Signed-off-by: Liu Gang <Gang.Liu@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions