linux-kernel - Re: [PATCH] arm: remove unused code in delay.S

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Date:	Mon, 14 Sep 2009 00:00:08 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Marek Vasut <marek.vasut@...il.com>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Felipe Contreras <felipe.contreras@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm: remove unused code in delay.S

On Sun, Sep 13, 2009 at 11:28:47PM +0200, Marek Vasut wrote:
> >  		bhi	__delay
> >  		mov	pc, lr
> >  ENDPROC(__udelay)
> > 
> Hi
> 
> why was this code there in the first place ?

To make the delay loop more stable and predictable on older CPUs.
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