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From: "jidong xiao" <jidong.xiao@gmail.com>
To: "Randy Dunlap" <randy.dunlap@oracle.com>
Cc: "Vegard Nossum" <vegard.nossum@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: How to printk unsigned long long variable?
Date: Fri, 15 Jun 2007 23:39:59 +0800	[thread overview]
Message-ID: <4104961b0706150839t1a54ccdaq4ddc747d04538a19@mail.gmail.com> (raw)
In-Reply-To: <20070615083355.f5bdb784.randy.dunlap@oracle.com>

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 ***
>

  reply	other threads:[~2007-06-15 15:40 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-15 14:59 jidong xiao
2007-06-15 15:04 ` Vegard Nossum
2007-06-15 15:33   ` Randy Dunlap
2007-06-15 15:39     ` jidong xiao [this message]
2007-06-15 16:14       ` Roland Dreier
2007-06-15 16:18         ` jidong xiao
2007-06-15 16:29           ` Jan Engelhardt
2007-06-15 18:41           ` Roland Dreier
2007-06-17  6:55             ` Stephen Rothwell

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