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

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Message-ID: <20140819074344.GA30401@n2100.arm.linux.org.uk>
Date:	Tue, 19 Aug 2014 08:43:44 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Peng Fan <van.freenix@...il.com>
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 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.

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