Re: powerpc: Add proper reference to dma_mask

On Tue, 2008-07-08 at 13:54 +1000, Stephen Rothwell wrote:

Hi Vitaly,

On Tue, 8 Jul 2008 03:12:56 +0400 Vitaly Bordug [off-list ref] wrote:

quoted

+++ b/arch/powerpc/kernel/of_platform.c

@@ -76,6 +76,9 @@ struct of_device* of_platform_device_create(struct device_node *np,
 		return NULL;
 
 	dev->dma_mask = 0xffffffffUL;
+	dev->dev.dma_mask = &dev->dma_mask;

That is done in of_device_alloc which is called just above.

So the problem might just be that coherent_dma_mask isn't set.

Ben.