[PATCH net-next] can: rockchip_canfd: Use div_s64() in rkcanfd_timestamp_init()

Marc Kleine-Budde mkl at pengutronix.de
Tue Sep 10 03:57:41 PDT 2024


On 09.09.2024 09:24:25, Nathan Chancellor wrote:
> When building with clang for a 32-bit target, such as arm, a libcall is
> generated when dividing the result of clocksource_cyc2ns(), which
> returns a signed 64-bit integer:
> 
>   ERROR: modpost: "__aeabi_ldivmod" [drivers/net/can/rockchip/rockchip_canfd.ko] undefined!
> 
> Use div_s64() to avoid generating the libcall.
> 
> Fixes: 4e1a18bab124 ("can: rockchip_canfd: add hardware timestamping support")
> Signed-off-by: Nathan Chancellor <nathan at kernel.org>

A similar patch by me is mainline:

https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=9c100bc3ec13914f9911a937ec5b38182a5c3d64

regards,
Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde          |
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