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/Linux-v5.15/Documentation/driver-api/dmaengine/
Ddmatest.rst7 This small document introduces how to test DMA drivers using dmatest module.
25 In the configuration file the option called CONFIG_DMATEST. The dmatest could
28 Part 2 - When dmatest is built as a module
33 % modprobe dmatest timeout=2000 iterations=1 channel=dma0chan0 run=1
37 % modprobe dmatest
38 % echo 2000 > /sys/module/dmatest/parameters/timeout
39 % echo 1 > /sys/module/dmatest/parameters/iterations
40 % echo dma0chan0 > /sys/module/dmatest/parameters/channel
41 % echo 1 > /sys/module/dmatest/parameters/run
45 dmatest.timeout=2000 dmatest.iterations=1 dmatest.channel=dma0chan0 dmatest.run=1
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Dindex.rst33 This book introduces how to test DMA drivers using dmatest module.
38 dmatest
Dprovider.rst252 - At this point, this is incompatible with polling option for dmatest.
/Linux-v5.15/drivers/dma/
Ddmatest.c48 static unsigned int dmatest; variable
49 module_param(dmatest, uint, S_IRUGO | S_IWUSR);
50 MODULE_PARM_DESC(dmatest,
1031 if (dmatest == 0) { in dmatest_add_channel()
1038 if (dmatest == 1) { in dmatest_add_channel()
DMakefile13 obj-$(CONFIG_DMATEST) += dmatest.o
/Linux-v5.15/Documentation/core-api/
Ddma-api.rst720 Pid: 0, comm: swapper Tainted: G W 2.6.28-dmatest-09289-g8bb99c0 #1