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fbdev: maxine: elide an unused function

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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 <rdunlap@infradead.org>
Acked-by: Maciej W. Rozycki <macro@orcam.me.uk>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Randy Dunlap 2026-08-13 16:29:33 -07:00 committed by Helge Deller
parent 311f2c770d
commit 47eb05e731
1 changed files with 3 additions and 0 deletions
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3
drivers/video/fbdev/maxinefb.c
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@ -71,6 +71,8 @@ static void maxinefb_ims332_write_register(int regno, register unsigned int val)
*((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_register(int regno)
return (j & 0xffff) | ((k & 0xff00) << 8);
}
#endif
/* Set the palette */
static int maxinefb_setcolreg(unsigned regno, unsigned red, unsigned green,