On Mon, May 26, 2014 at 06:41:21PM +0200, Emil Goode wrote: > @@ -211,6 +215,7 @@ struct platform_device *platform_device_alloc(const char > *name, int id) > strcpy(pa->name, name); > pa->pdev.name = pa->name; > pa->pdev.id = id; > + pa->pdev.dev.dma_mask = &pa->dma_mask;
There is code in the kernel which, rightly or wrongly, checks whether dev->dma_mask is NULL to determine whether the device can do any kind of DMA. The above results in devices allocated via this interface always having this member set, which is a change of core kernel behaviour. How sure are you that this will not break anything? -- FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly improving, and getting towards what was expected from it. -- 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/
