On Mon, Sep 09, 2024 at 08:21:49AM +0200, Marc Kleine-Budde wrote: > On some 32-bit platforms (at least on parisc), the compiler generates > a call to __divdi3() from the u32 by 3 division in > rkcanfd_timestamp_init(), which results in the following linker > error: > > | ERROR: modpost: "__divdi3" [drivers/net/can/rockchip/rockchip_canfd.ko] undefined! > > As this code doesn't run in the hot path, a 64 bit by 32 bit division > is OK, even on 32 bit platforms. Use an explicit call to div_u64() to > fix linking. > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Closes: https://lore.kernel.org/oe-kbuild-all/202409072304.lCQWyNLU-lkp@xxxxxxxxx/ > Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
