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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2018-03-26 14:50:25 +0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2018-03-26 10:40:18 -0600 |
| commit | a6cd7714c0bd53f72d3ed61acbb86b07bcf6c693 (patch) | |
| tree | 4318b5196993c7e40a825c529afc785962fd83de /Documentation/driver-api | |
| parent | 738947f0f3cf77baeab5176a2eb50bf9dccc6236 (diff) | |
| download | blackbird-obmc-linux-a6cd7714c0bd53f72d3ed61acbb86b07bcf6c693.tar.gz blackbird-obmc-linux-a6cd7714c0bd53f72d3ed61acbb86b07bcf6c693.zip | |
dmaengine: Add note to dmatest documentation about supported channels
The documentation is not so clear for newbies in a sense of what type of the
channels are supported by it.
Clarify this by adding a note at the preamble of the documentation.
Reported-by: "Zhu, Tony" <tony.zhu@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/driver-api')
| -rw-r--r-- | Documentation/driver-api/dmaengine/dmatest.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/driver-api/dmaengine/dmatest.rst b/Documentation/driver-api/dmaengine/dmatest.rst index 3922c0a3f0c0..9b0dcdb7b7a8 100644 --- a/Documentation/driver-api/dmaengine/dmatest.rst +++ b/Documentation/driver-api/dmaengine/dmatest.rst @@ -6,6 +6,11 @@ Andy Shevchenko <andriy.shevchenko@linux.intel.com> This small document introduces how to test DMA drivers using dmatest module. +.. note:: + The test suite works only on the channels that have at least one + capability of the following: DMA_MEMCPY (memory-to-memory), DMA_MEMSET + (const-to-memory or memory-to-memory, when emulated), DMA_XOR, DMA_PQ. + Part 1 - How to build the test module ===================================== |
