On Tue, Feb 14, 2023 at 2:23 PM Arnd Bergmann <arnd@xxxxxxxxxx> wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > The argument to do_div() is a 32-bit integer, and it was read from a > 32-bit register so there is no point in doing a 64-bit division on it. > > On 32-bit arm, do_div() causes a compile-time warning here: > > include/asm-generic/div64.h:238:22: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Werror=incompatible-pointer-types] > 238 | __rem = __div64_32(&(n), __base); \ > | ^~~~ > | | > | unsigned int * > drivers/power/supply/qcom_battmgr.c:1130:4: note: in expansion of macro 'do_div' > 1130 | do_div(battmgr->status.percent, 100); > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds