linux-kernel - Re: [PATCH] arm: Do not overwrite __machine_arch

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Message-ID: <53F306E7.8020701@gmail.com>
Date:	Tue, 19 Aug 2014 16:12:23 +0800
From:	Peng Fan <van.freenix@...il.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
CC:	Rob Herring <robh@...nel.org>,
	Laura Abbott <lauraa@...eaurora.org>,
	Mark Rutland <mark.rutland@....com>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Sudeep KarkadaNagesha <sudeep.karkadanagesha@....com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm: Do not overwrite __machine_arch_type



On 08/19/2014 03:43 PM, Russell King - ARM Linux wrote:
> On Tue, Aug 19, 2014 at 11:21:31AM +0800, Peng Fan wrote:
>> If using DT_MACHINE_START when enabled CONFIG_OF, the nr of mdesc is ~0.
>> The value of __machine_arch_type is passsed from bootloader using reigster
>> r1, and assigned in head-common.S. Remove this line to avoid overwrite it.
> 
> No.  The idea here is that the machine_is_xxx() methods are not used when
> using DT, so this disables them.
> 
Got it. Thanks.

Regards,
Peng.
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