linux-kernel - [PATCH 0/3] arm: fix imx

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Message-ID: <20250510011806.13470-1-benato.denis96@gmail.com>
Date: Sat, 10 May 2025 03:18:03 +0200
From: Denis Benato <benato.denis96@...il.com>
To: Russell King <linux@...linux.org.uk>
Cc: Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	linux-arm-kernel@...ts.infradead.org,
	imx@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Denis Benato <benato.denis96@...il.com>
Subject: [PATCH 0/3] arm: fix imx_* defconfig

Compiling the kernel using affected imx defconfigs lead
to a hard CPU crash that reaches a state where each register,
including PC ends up in 0xDEADBEEF.

That is because the SoC support depending on CONFIG_ARCH_MXC
gets disabled since CONFIG_ARCH_NXP is not defined while
said feature depends on it.

The default arm defconfig is unaffected as it defines
CONFIG_ARCH_NXP=y correctly as excepted.

These patches solve the crash causing my confusion:
https://lore.kernel.org/all/c84e8246-8104-4409-8d95-389d61bc07af@gmail.com

Denis Benato (3):
  ARM: imx_v4_v5_defconfig: define CONFIG_ARCH_NXP
  ARM: imx_v6_v7_defconfig: define CONFIG_ARCH_NXP
  ARM: imxrt_defconfig: define CONFIG_ARCH_NXP

 arch/arm/configs/imx_v4_v5_defconfig | 1 +
 arch/arm/configs/imx_v6_v7_defconfig | 1 +
 arch/arm/configs/imxrt_defconfig     | 1 +
 3 files changed, 3 insertions(+)

-- 
2.49.0