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From: Daniel Phillips <phillips@arcor.de>
To: davidm@hpl.hp.com, David Mosberger <davidm@napali.hpl.hp.com>,
       Dave Olien <dmo@osdl.org>
Subject: Re: DAC960 in 2.5.38, with new changes
Date: Mon, 23 Sep 2002 22:44:08 +0200
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On Monday 23 September 2002 21:19, David Mosberger wrote:
> Hi Dave,
> 
> >>>>> On Mon, 23 Sep 2002 12:04:00 -0700, Dave Olien <dmo@osdl.org> said:
> 
>   Dave> #ifdef __ia64__
>   Dave> -  writeq(Virtual_to_Bus64(CommandMailbox),
>   Dave> +  writeq(CommandMailboxDMA,
>   Dave> ControllerBaseAddress + DAC960_LP_CommandMailboxBusAddressOffset);
>   Dave> #else
>   Dave> -  writel(Virtual_to_Bus32(CommandMailbox),
>   Dave> +  writel(CommandMailboxDMA,
>   Dave> ControllerBaseAddress + DAC960_LP_CommandMailboxBusAddressOffset);
>   Dave> #endif
> 
> This looks like a porting-nightmare in the making.  There's got to be a
> better way to determine whether you need a writeq() vs. a writel().

Even if an #ifdef is necessary here (and we are in trouble if it is) it
should not trigger on __ia64__, it should trigger on the size of (long).

-- 
Daniel