Hi, On Wed, Aug 24, 2011 at 04:44:49PM +0530, sameer sharma wrote: > I found a comment in your driver code. > > ** drivers/usb/musb/musg_gadget.c > > /* > �* The programming guide says that we must not clear > �* the DMAMODE bit before DMAENAB, so we only > �* clear it in the second write... > �*/ > > Q.1 --> Can I have explanation on that? what's there's to explain ? You must clear both bits together, so you clear DMAENAB, then on a second write to that register, you clear DMAMODE. > Q. --> From where can I get the programming guide which is being mentioned > in the above code's comments? you need to ask your Mentor representative, or the company who sold you an SoC with Mentor OTG core. -- balbi
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