linux-kernel - Re: [PATCH v7 1/5] powerpc/85xx: implement hardware timebase sync

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Message-ID: <4FF5B329.9090005@freescale.com>
Date:	Thu, 5 Jul 2012 10:30:49 -0500
From:	Timur Tabi <b04825@...escale.com>
To:	Zhao Chenhui <chenhui.zhao@...escale.com>
CC:	Zhao Chenhui-B35336 <B35336@...escale.com>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	Wood Scott-B07421 <B07421@...escale.com>,
	"galak@...nel.crashing.org" <galak@...nel.crashing.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Li Yang-R58472 <r58472@...escale.com>, <leoli@...escale.com>
Subject: Re: [PATCH v7 1/5] powerpc/85xx: implement hardware timebase sync

Zhao Chenhui wrote:
> If the guts node is missing, this code snippet will be skipped. If the guts node is existed,
> the return value of of_iomap(), namely guts, will be tested. If it is NULL, it shows
> that there is error in dts, or the ioremap() in of_iomap() failed. I think
> these errors are fatal errors, so I print an error info and return.

Ok, I see your point now.  I'm concerned about what might happen if
someone else updates mpc85xx_smp_init() in the future, but there's nothing
actually wrong with your patch today.

-- 
Timur Tabi
Linux kernel developer at Freescale

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