On Tue, Mar 22, 2016 at 8:36 AM, Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx> wrote: > > Hi, > > while using the dmatest module to test the mv_xor.c driver, I got > failures. I finally found that when the "noverify" parameter is not set, > then the buffer length used is totally random (modulo the maximum size > of the buffer). But in the mv_xor_prep_dma_xor there is a test about the > minimal size the dmaengine can use. So when the length was under this > minimum size then I got some test failures like the following: "dmatest: > dma1chan0-copy0: result #11: 'prep error' with src_off=0x29c9 > dst_off=0x1c51 len=0x33 (0)". > > Unless the drivers are supposed to accept all buffer size I think it is > not an error, and I would like to be able to use this dmatest for > automatic test and not to have to check if the error is a real one or > not. > > I think that the following patch could improve the dmatest module. > > What do you think about it? > > Did I miss something or is a good ieda to send a proper patch? Looks like a useful patch to me. -- 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
