On Fri, Oct 17, 2014 at 09:45:45AM +0200, Lars-Peter Clausen wrote: > On 10/17/2014 02:48 AM, Ray Jui wrote: > >As part of subsystem that many slave drivers depend on, it's more > >appropriate for the pl330 DMA driver to be initialized at > >subsys_initcall than device_initcall > > Well, we do have -EPROBE_DEFER these days to handle these kinds of > dependencies so we no longer have to these kinds of manual init > reordering tricks. How ould that work? Consider for example SPI and dmanegine. SPI driver got probed, then to start a transaction requested a channel... while dmaengine driver is still getting probed/not probed yet. So SPI driver didnt get a channel. -- ~Vinod -- 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