> Is this right?
> dev->dev.dma_mask = bus->controller->dma_mask;
> printk(KERN_ERR "hey,jason,see,dma_mask is
> %llu\n",*(dev->dev.dma_mask));
No, why do you have the '*' -- dma_mask isn't a pointer, is it?
You probably want:
printk(KERN_ERR "hey,jason,see,dma_mask is %llx\n",
(unsigned long long) dev->dev.dma_mask);
(I would use a "%llx" format because masks are much clearer in hex).
The cast to unsigned long long is there because u64 is just unsigned
long on some 64-bit platforms, so you get a warning about the format
not matching on some architectures without the cast.
- R.
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