On Tue, Jan 29, 2013 at 10:52 AM, Mika Westerberg <mika.westerb...@linux.intel.com> wrote: > We had a discusssion about this with Andy as well. The thing is that there > is no way in current resource to pass DMA request line numbers supported by > the controller to the driver in a generic way. We on the other hand have to > deal this somehow as we have a shared DMA controller on Lynxpoint where the > offset will start from 16 (but it might be something else as well). > > Is there something which limits the usage of IORESOUCE_DMA to be only > usable for ISA DMA channels?
Andy, Why do we need this request_line_base? Why not program the actual value directly into the slave structure (base + offset)? In case it is required, add it in platform data field or can add DT binding for it. -- viresh -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
