[PATCH 4.19 085/191] linux/vt_buffer.h: allow either builtin or modular for macros

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From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

[ Upstream commit 2b76ffe81e32afd6d318dc4547e2ba8c46207b77 ]

Fix build errors on ARCH=alpha when CONFIG_MDA_CONSOLE=m.
This allows the ARCH macros to be the only ones defined.

In file included from ../drivers/video/console/mdacon.c:37:
../arch/alpha/include/asm/vga.h:17:40: error: expected identifier or '(' before 'volatile'
   17 | static inline void scr_writew(u16 val, volatile u16 *addr)
      |                                        ^~~~~~~~
../include/linux/vt_buffer.h:24:34: note: in definition of macro 'scr_writew'
   24 | #define scr_writew(val, addr) (*(addr) = (val))
      |                                  ^~~~
../include/linux/vt_buffer.h:24:40: error: expected ')' before '=' token
   24 | #define scr_writew(val, addr) (*(addr) = (val))
      |                                        ^
../arch/alpha/include/asm/vga.h:17:20: note: in expansion of macro 'scr_writew'
   17 | static inline void scr_writew(u16 val, volatile u16 *addr)
      |                    ^~~~~~~~~~
../arch/alpha/include/asm/vga.h:25:29: error: expected identifier or '(' before 'volatile'
   25 | static inline u16 scr_readw(volatile const u16 *addr)
      |                             ^~~~~~~~

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Jiri Slaby <jirislaby@xxxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: linux-fbdev@xxxxxxxxxxxxxxx
Link: https://lore.kernel.org/r/20230329021529.16188-1-rdunlap@xxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 include/linux/vt_buffer.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/vt_buffer.h b/include/linux/vt_buffer.h
index 848db1b1569ff..919d999a8c1db 100644
--- a/include/linux/vt_buffer.h
+++ b/include/linux/vt_buffer.h
@@ -16,7 +16,7 @@
 
 #include <linux/string.h>
 
-#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_MDA_CONSOLE)
+#if IS_ENABLED(CONFIG_VGA_CONSOLE) || IS_ENABLED(CONFIG_MDA_CONSOLE)
 #include <asm/vga.h>
 #endif
 
-- 
2.39.2






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