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From: David Howells <dhowells@redhat.com>
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References: <20060919222351.d27a1a06.sfr@canb.auug.org.au> 
To: Stephen Rothwell <sfr@canb.auug.org.au>
Subject: Re: [POWERPC] convert string i/o operations to C 
Date: Tue, 19 Sep 2006 13:42:58 +0100
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Stephen Rothwell <sfr@canb.auug.org.au> wrote:

> +void _insb(volatile u8 __iomem *port, void *buf, int ns)
> +{
> +	asm volatile("sync");
> +	if (ns <= 0)
> +		return;

What is "ns" meant to do?  It seems to degrade the _insb() op to just a sync,
but is that correct?

David