linux-kernel - Re: [PATCH v4] ARM: configs: Add Freescale LS1021A defconfig

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Message-ID: <20150917103414.GN21084@n2100.arm.linux.org.uk>
Date:	Thu, 17 Sep 2015 11:34:14 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Alison Wang <b18965@...escale.com>
Cc:	shawnguo@...nel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, jason.jin@...escale.com
Subject: Re: [PATCH v4] ARM: configs: Add Freescale LS1021A defconfig

On Thu, Sep 17, 2015 at 05:03:34PM +0800, Alison Wang wrote:
> Add Freescale LS1021A initial defconfig file.
> The LS1021A SoC is a dual-core Cortex-A7 based processor.
> 
> LS1021A has some special configurations against imx_v6_v7_defconfig and
> multi_v7_defconfig, such as CONFIG_ARM_LPAE, CONFIG_ARM_PSCI...
> LPAE needs to be supported to access memory beyond the 4GB limit for
> LS1021A. PSCI needs to be supported for LS1021A too. But CONFIG_ARM_LPAE
> and CONFIG_ARM_PSCI are disabled in imx_v6_v7_defconfig and
> multi_v7_defconfig, so a separate LS1021A defconfig is needed.

Sounds like a need for multi_v7_lpae_defconfig rather than creating
a new load of platform specific defconfigs.

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