maxinefb_ims332_read_register() is not used, but since it describes a hardware interface, leave it in the source file as documentation and surround it inside an #if 0/#endif block.
../drivers/video/fbdev/maxinefb.c:74:21: warning: 'maxinefb_ims332_read_register' defined but not used [-Wunused-function] 74 | static unsigned int maxinefb_ims332_read_register(int regno) Signed-off-by: Randy Dunlap <[email protected]> --- Cc: Helge Deller <[email protected]> Cc: [email protected] Cc: [email protected] Cc: "Maciej W. Rozycki" <[email protected]> drivers/video/fbdev/maxinefb.c | 3 +++ 1 file changed, 3 insertions(+) --- linux-next-20260812.orig/drivers/video/fbdev/maxinefb.c +++ linux-next-20260812/drivers/video/fbdev/maxinefb.c @@ -71,6 +71,8 @@ static void maxinefb_ims332_write_regist *((volatile unsigned short *) (wptr)) = val; } +#if 0 +/* dead code: leave here for hardware interface documentation */ static unsigned int maxinefb_ims332_read_register(int regno) { register unsigned char *regs = (char *) MAXINEFB_IMS332_ADDRESS; @@ -83,6 +85,7 @@ static unsigned int maxinefb_ims332_read return (j & 0xffff) | ((k & 0xff00) << 8); } +#endif /* Set the palette */ static int maxinefb_setcolreg(unsigned regno, unsigned red, unsigned green,
