On Tue, Apr 28, 2020 at 10:43 AM Nathan Chancellor
<[email protected]> wrote:
>
> When building arm32 allmodconfig:
>
> ERROR: modpost: "__aeabi_uldivmod"
> [drivers/net/ethernet/freescale/dpaa2/fsl-dpaa2-eth.ko] undefined!
>
> frames and cdan are both of type __u64 (unsigned long long) so we need
> to use div64_u64 to avoid this issues.
>
> Fixes: 460fd830dd9d ("dpaa2-eth: add channel stat to debugfs")
> Link: https://github.com/ClangBuiltLinux/linux/issues/1012
> Signed-off-by: Nathan Chancellor <[email protected]>

Don't forget reported by tags to show some love to our bots! Thanks
for the patch.
Reported-by: kernelci.org bot <[email protected]>
Reviewed-by: Nick Desaulniers <[email protected]>

> ---
>  drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c 
> b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c
> index 80291afff3ea..0a31e4268dfb 100644
> --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c
> +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c
> @@ -139,7 +139,7 @@ static int dpaa2_dbg_ch_show(struct seq_file *file, void 
> *offset)
>                            ch->stats.dequeue_portal_busy,
>                            ch->stats.frames,
>                            ch->stats.cdan,
> -                          ch->stats.frames / ch->stats.cdan,
> +                          div64_u64(ch->stats.frames, ch->stats.cdan),
>                            ch->buf_count);
>         }
>
>
> base-commit: 0fd02a5d3eb7020a7e1801f8d7f01891071c85e4
> --
> 2.26.2
>
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-- 
Thanks,
~Nick Desaulniers

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