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| author | Santosh Shilimkar <[email protected]> | 2014-04-24 15:30:04 +0000 |
|---|---|---|
| committer | Santosh Shilimkar <[email protected]> | 2014-05-07 13:21:21 +0000 |
| commit | 591c1ee465ce5372385dbc41e7d3e36cbb477bd8 (patch) | |
| tree | 9a1a70d862e00f8431956479eb15899565f0f6bd /tools/perf/scripts/python/sctop.py | |
| parent | of: introduce of_dma_is_coherent() helper (diff) | |
| download | kernel-591c1ee465ce5372385dbc41e7d3e36cbb477bd8.tar.gz kernel-591c1ee465ce5372385dbc41e7d3e36cbb477bd8.zip | |
of: configure the platform device dma parameters
Retrieve DMA configuration from DT and setup platform device's DMA
parameters. The DMA configuration in DT has to be specified using
"dma-ranges" and "dma-coherent" properties if supported.
We setup dma_pfn_offset using "dma-ranges" and dma_coherent_ops
using "dma-coherent" device tree properties.
The set_arch_dma_coherent_ops macro has to be defined by arch if
it supports coherent dma_ops. Otherwise, set_arch_dma_coherent_ops() is
declared as nop.
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Russell King <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Olof Johansson <[email protected]>
Cc: Grant Likely <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Linus Walleij <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Signed-off-by: Grygorii Strashko <[email protected]>
Signed-off-by: Santosh Shilimkar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/sctop.py')
0 files changed, 0 insertions, 0 deletions