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

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Date:   Wed, 30 Dec 2020 16:17:51 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Peng Fan <peng.fan@....com>,
        Leonard Crestez <leonard.crestez@....com>
Cc:     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: [PATCH] ARM: imx: fix imx8m dependencies

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>
---
 drivers/soc/imx/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/imx/Kconfig b/drivers/soc/imx/Kconfig
index a9370f4aacca..05812f8ae734 100644
--- a/drivers/soc/imx/Kconfig
+++ b/drivers/soc/imx/Kconfig
@@ -13,7 +13,7 @@ config SOC_IMX8M
 	depends on ARCH_MXC || COMPILE_TEST
 	default ARCH_MXC && ARM64
 	select SOC_BUS
-	select ARM_GIC_V3 if ARCH_MXC
+	select ARM_GIC_V3 if ARCH_MXC && ARCH_MULTI_V7
 	help
 	  If you say yes here you get support for the NXP i.MX8M family
 	  support, it will provide the SoC info like SoC family,
-- 
2.29.2