diff options
Diffstat (limited to 'Documentation/driver-api')
| -rw-r--r-- | Documentation/driver-api/dmaengine/dmatest.rst | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Documentation/driver-api/dmaengine/dmatest.rst b/Documentation/driver-api/dmaengine/dmatest.rst index 529cc2cbbb1b..cf9859cd0b43 100644 --- a/Documentation/driver-api/dmaengine/dmatest.rst +++ b/Documentation/driver-api/dmaengine/dmatest.rst @@ -153,13 +153,14 @@ Part 5 - Handling channel allocation Allocating Channels ------------------- -Channels are required to be configured prior to starting the test run. -Attempting to run the test without configuring the channels will fail. +Channels do not need to be configured prior to starting a test run. Attempting +to run the test without configuring the channels will result in testing any +channels that are available. Example:: % echo 1 > /sys/module/dmatest/parameters/run - dmatest: Could not start test, no channels configured + dmatest: No channels configured, continue with any Channels are registered using the "channel" parameter. Channels can be requested by their name, once requested, the channel is registered and a pending thread is added to the test list. |