On Sun, 2014-10-05 at 23:56 -0700, GIRISH HALADY wrote: > Hi Andiry, > Thanks for the post on www.kernel.org: > https://www.kernel.org/doc/Documentation/dmatest.txt > > First of all, I dared to answer this mail publicly. Please, keep the mailing list address in the Cc list (dmaengine@xxxxxxxxxxxxxxx) for now and for any future mail regarding to DMA engine subsystem related issues. > > I was trying to run this test on my target (Microzed Zynq7010 board). > I could get the dmatest compiled within the kernel. However, when I > try running the command I get some strange error. Thought I check > with you if I am missing something. > The objective that I setforth was to be able to run the dmatest from > DDR to a RAM instance in the Programmable Logic which is mapped to the > processing system (PS7) that runs dual-ARM A9 and an embedded linux > kernel on it. > zynq> modprobe dmatest channel=dma0chan0 timeout=2000 iterations=1 run > =1 > modprobe: chdir(3.14.0-xilinx-dirty): No such file or directory > > Kernel command : ERROR > zynq> dmatest.channel=dma0chan0 dmatest.timeout=2000 dmatest.iteration > s=1 dmatest.run=1 > -/bin/ash: dmatest.channel=dma0chan0: not found > Please help me understand how I go about fixing this. > Have you tried to get the list of available dma channels first as suggested by the documentation? "Hint: available channel list could be extracted by running the following command: % ls -1 /sys/class/dma/ " -- Andy Shevchenko <andriy.shevchenko@xxxxxxxxx> Intel Finland Oy -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
