linux-kernel - Re: [PATCH] ARM: imx: fix imx8m dependencies

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Date:   Mon, 11 Jan 2021 09:36:24 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Sascha Hauer <s.hauer@...gutronix.de>, Peng Fan <peng.fan@....com>,
        Leonard Crestez <leonard.crestez@....com>, arm@...nel.org,
        Arnd Bergmann <arnd@...db.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Anson Huang <Anson.Huang@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: imx: fix imx8m dependencies

On Wed, Dec 30, 2020 at 04:17:51PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> Selecting ARM_GIC_V3 on non-CP15 processors leads to build failures
> like
> 
> arch/arm/include/asm/arch_gicv3.h: In function 'write_ICC_AP1R3_EL1':
> arch/arm/include/asm/arch_gicv3.h:36:40: error: 'c12' undeclared (first use in this function)
>    36 | #define __ICC_AP1Rx(x)   __ACCESS_CP15(c12, 0, c9, x)
>       |                                        ^~~
> 
> Add a dependency to only enable the gic driver when building for
> at an ARMv7 target, which is the closes approximation to the ARMv8
> processor that is actually in this chip.
> 
> Fixes: fc40200ebf82 ("soc: imx: increase build coverage for imx8m soc driver")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Applied, thanks.