[PATCH 03/03] fbdev: maxine: fix 64-bit build error
From: Randy Dunlap
Date: Thu Aug 13 2026 - 19:30:17 EST
The KSEG1ADDR() macro is only defined for non-64BIT builds.
Use the CKSEG1ADDR() macro instead.
In file included from ../drivers/video/fbdev/maxinefb.c:34:
../drivers/video/fbdev/maxinefb.c: In function 'maxinefb_ims332_write_register':
../include/video/maxinefb.h:16:41: error: implicit declaration of function 'KSEG1ADDR'; did you mean 'CKSEG1ADDR'? [-Wimplicit-function-declaration]
16 | #define MAXINEFB_IMS332_ADDRESS KSEG1ADDR(0x1c140000)
../drivers/video/fbdev/maxinefb.c:66:49: note: in expansion of macro 'MAXINEFB_IMS332_ADDRESS'
66 | register unsigned char *regs = (char *) MAXINEFB_IMS332_ADDRESS;
../drivers/video/fbdev/maxinefb.c:66:40: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
66 | register unsigned char *regs = (char *) MAXINEFB_IMS332_ADDRESS;
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
---
Cc: Helge Deller <deller@xxxxxx>
Cc: linux-fbdev@xxxxxxxxxxxxxxx
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: "Maciej W. Rozycki" <macro@xxxxxxxxxxx>
include/video/maxinefb.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- linux-next-20260812.orig/include/video/maxinefb.h
+++ linux-next-20260812/include/video/maxinefb.h
@@ -13,13 +13,13 @@
/*
* IMS332 video controller register base address
*/
-#define MAXINEFB_IMS332_ADDRESS KSEG1ADDR(0x1c140000)
+#define MAXINEFB_IMS332_ADDRESS CKSEG1ADDR(0x1c140000)
/*
* Begin of DECstation 5000/xx onboard framebuffer memory, default resolution
* is 1024x768x8
*/
-#define DS5000_xx_ONBOARD_FBMEM_START KSEG1ADDR(0x0a000000)
+#define DS5000_xx_ONBOARD_FBMEM_START CKSEG1ADDR(0x0a000000)
/*
* The IMS 332 video controller used in the DECstation 5000/xx series