linux-kernel - Re: [PATCH] ARM: pxa: fix pxa3xx DFI lockup hack

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Message-ID: <6588446.F7ggU3HDOr@wuerfel>
Date:	Mon, 12 Oct 2015 20:57:35 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Daniel Mack <daniel@...que.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: pxa: fix pxa3xx DFI lockup hack

On Monday 12 October 2015 19:03:44 Robert Jarzmik wrote:
> Arnd Bergmann <arnd@...db.de> writes:
> 
> > Some recently added code to avoid a bug introduced a build error
> > when CONFIG_PM is disabled and a macro is hidden:
> >
> > arch/arm/mach-pxa/pxa3xx.c: In function 'pxa3xx_init':
> > arch/arm/mach-pxa/pxa3xx.c:439:3: error: 'NDCR' undeclared (first use in this function)
> >    NDCR = (NDCR & ~NDCR_ND_ARB_EN) | NDCR_ND_ARB_CNTL;
> >    ^
> >
> > This moves the macro outside of the #ifdef so it can be
> > referenced correctly.
> >
> > Signed-off-by: Arnd Bergmann <arnd@...db.de>
> > Fixes: adf3442cc890 ("ARM: pxa: fix DFI bus lockups on startup")
> > ---
> > We merged the patch that introduced this as a fix for 4.3, so we should
> > probably add this one too.
> Oh yes, didn't see that ifdef, and all my non-regression defconfigs have
> CONFIG_PM ...
> 
> Acked-by: Robert Jarzmik <robert.jarzmik@...e.fr>
> 
> So do you want to take it directly (my preferred solution) or do you want a
> proper pull request for in the -rc5 timeframe ?
> 

I've put it into my todo list, will apply it tomorrow.

	Arnd
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