linux-kernel - [PATCH 2/2] m68k: select 68020 as fallback for classic

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Message-Id: <20241030195638.22542-2-arnd@kernel.org>
Date: Wed, 30 Oct 2024 20:56:14 +0100
From: Arnd Bergmann <arnd@...nel.org>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Arnd Bergmann <arnd@...db.de>,
	linux-m68k@...ts.linux-m68k.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] m68k: select 68020 as fallback for classic

From: Arnd Bergmann <arnd@...db.de>

Building without a CPU selected does not work.

Change the Kconfig logic slightly to make sure we always pick
68020 if nothing else is enabled. There are still some
intentional warnings for builds with all platforms disabled.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 arch/m68k/Kconfig.cpu | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu
index e7b5f6b55947..c9a7e602d8a4 100644
--- a/arch/m68k/Kconfig.cpu
+++ b/arch/m68k/Kconfig.cpu
@@ -21,6 +21,7 @@ choice
 config M68KCLASSIC
 	bool "Classic M68K CPU/machine family support"
 	select HAVE_ARCH_PFN_VALID
+	select M68020 if MMU && !(M68030 || M68040 || M68060)
 
 config COLDFIRE
 	bool "Coldfire CPU family support"
-- 
2.39.5