arch/arm/mach-rockchip/kernel_dtb.c:185 -- attempting to get the size of a pointer in a macro breaks the compiler

[DaveWK]

This branch will not compile. You're attempting to get the size of a pointer with a macro, which the compiler doesn't like..

In file included from include/linux/delay.h:8,
from include/common.h:27,
from arch/arm/mach-rockchip/kernel_dtb.c:6:
arch/arm/mach-rockchip/kernel_dtb.c: In function ‘phandles_fixup_gpio’:
include/linux/kernel.h:45:34: error: division ‘sizeof (char *) / sizeof (char)’ does not compute the number of array elements [-Werror=sizeof-pointer-div]
45 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
| ^
arch/arm/mach-rockchip/kernel_dtb.c:185:19: note: in expansion of macro ‘ARRAY_SIZE’
185 | for (i = 0; i < ARRAY_SIZE(gpio_name[i]); i++) {
| ^~~~~~~~~~
cc1: all warnings being treated as errors
make[1]: *** [scripts/Makefile.build:281: arch/arm/mach-rockchip/kernel_dtb.o] Error 1
make: *** [Makefile:1303: arch/arm/mach-rockchip] Error 2