On 04/18/2014 04:24 AM, Thomas Gleixner wrote: > On Fri, 18 Apr 2014, Thomas Gleixner wrote: >> On Thu, 17 Apr 2014, Joel Fernandes wrote: >>> Here's a thread that discusses it and the end conclusion is that it >>> should be fine (Kyle Kastile is one of the EDMA hardware designers). >>> http://e2e.ti.com/support/dsp/davinci_digital_media_processors/f/99/t/66011.aspx >> >> Gah, right I saw the issues with the original code, which does a >> memcpy_fromio which copies byte by byte. Did not think about retrying >> with the edma_read() based one. > > Actually I did expect memcpy_fromio to be more clever. But you are > right, using the 32bit wide read works like a charm. Cool, glad it does :) regards, -Joel -- 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
