On Thu, Mar 15, 2012 at 10:39:12PM +0100, Cousson, Benoit wrote: > On 3/15/2012 9:41 PM, Arnd Bergmann wrote: > >The numbers definitely need to become local to each of the controllers, but > >that is the case pretty much automatically using the proposed binding, > >because each dma request identifier starts with the phandle of the > >controller. > > Indeed, and in the case of the OMAP SDMA controller, it can handle > up to 127 DMA request lines numbered from 0 to 126... So a local > number seems to be a good representation... especially for a number. > I'm not sure to understand the issue with this binding. > > And AFAIK, there is the only one general purpose DMA controller in > OMAP so far. The other ones are private to some IPs like MMC or USB, > so they do not need necessarily need any DT representation. AM335x has an EDMA controller instead of SDMA. This is the same EDMA found on mach-davinci/ parts. -Matt -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
