linux-kernel - [PATCH AUTOSEL 4.19 06/10] m68knommu: fix non-specific 68328 choice interrupt build failure

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Message-Id: <20221018001128.2732162-6-sashal@kernel.org>
Date:   Mon, 17 Oct 2022 20:11:24 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Greg Ungerer <gerg@...ux-m68k.org>,
        kernel test robot <lkp@...el.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Sasha Levin <sashal@...nel.org>,
        linux-m68k@...ts.linux-m68k.org
Subject: [PATCH AUTOSEL 4.19 06/10] m68knommu: fix non-specific 68328 choice interrupt build failure

From: Greg Ungerer <gerg@...ux-m68k.org>

[ Upstream commit 750321ace9107e103f254bf46900629ff347eb7b ]

Compiling for a classic m68k non-MMU target with no specific CPU
selected fails with the following error:

   arch/m68k/68000/ints.c: In function 'process_int':
>> arch/m68k/68000/ints.c:82:30: error: 'ISR' undeclared (first use in this function)
      82 |         unsigned long pend = ISR;
         |                              ^~~

This interrupt handling code is specific to the 68328 family of 68000
parts. There is a couple of variants (68EZ328, 68VZ328) and the common
ancestor of them the strait 68328.

The code here includes a specific header for each variant type. But if
none is selected then nothing is included to supply the appropriate
register and bit flags defines.

Rearrange the includes so that at least one type is always included.
At the very least the 68328 base type should be the fallback, so make
that true.

Reported-by: kernel test robot <lkp@...el.com>
Reviewed-by: Geert Uytterhoeven <geert@...ux-m68k.org>
Signed-off-by: Greg Ungerer <gerg@...ux-m68k.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/m68k/68000/ints.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/m68k/68000/ints.c b/arch/m68k/68000/ints.c
index cda49b12d7be..f9a5ec781408 100644
--- a/arch/m68k/68000/ints.c
+++ b/arch/m68k/68000/ints.c
@@ -18,12 +18,12 @@
 #include <asm/io.h>
 #include <asm/machdep.h>
 
-#if defined(CONFIG_M68328)
-#include <asm/MC68328.h>
-#elif defined(CONFIG_M68EZ328)
+#if defined(CONFIG_M68EZ328)
 #include <asm/MC68EZ328.h>
 #elif defined(CONFIG_M68VZ328)
 #include <asm/MC68VZ328.h>
+#else
+#include <asm/MC68328.h>
 #endif
 
 /* assembler routines */
-- 
2.35.1