Messages in this thread | | | Date | Fri, 15 Jun 2007 23:39:59 +0800 | From | "jidong xiao" <> | Subject | Re: How to printk unsigned long long variable? |
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Thanks all. 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));
On 6/15/07, Randy Dunlap <randy.dunlap@oracle.com> wrote: > On Fri, 15 Jun 2007 17:04:00 +0200 Vegard Nossum wrote: > > > On 6/15/07, jidong xiao <jidong.xiao@gmail.com> wrote: > > > typedef unsigned long long u64; > > > u64 *dma_mask; > > > Then how to use printk() to print out a dma_mask variable? > > > > In regular printf(), this would be specified by the format "%llu". Try that? > > and cast dma_mask to (unsigned long long), at least in kernel printk() > calls. > > --- > ~Randy > *** Remember to use Documentation/SubmitChecklist when testing your code *** > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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