[ath6kl:pending 10/15] ERROR: "__udivdi3" [drivers/net/wireless/ath/ath10k/ath10k_core.ko] undefined!

[ath6kl:pending 10/15] ERROR: "__udivdi3" [drivers/net/wireless/ath/ath10k/ath10k_core.ko] undefined!

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git pending
head:   70aa9eaba2a46b3d53caf03060576a7615182814
commit: 108924d7a14299b2bcced255feb14bfdde7cb9d4 [10/15] ath10k: Fill the channel survey results for WCN3990 correctly
config: parisc-allmodconfig (attached as .config)
compiler: hppa-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 108924d7a14299b2bcced255feb14bfdde7cb9d4
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=parisc 

All errors (new ones prefixed by >>):

>> ERROR: "__udivdi3" [drivers/net/wireless/ath/ath10k/ath10k_core.ko] undefined!
>> ERROR: "__divdi3" [drivers/net/wireless/ath/ath10k/ath10k_core.ko] undefined!

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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Re: [ath6kl:pending 10/15] ERROR: "__udivdi3" [drivers/net/wireless/ath/ath10k/ath10k_core.ko] undefined!

[Kalle Valo]

+ linux-wireless, arnd

kbuild test robot <lkp@intel.com> writes:

> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git pending
> head:   70aa9eaba2a46b3d53caf03060576a7615182814
> commit: 108924d7a14299b2bcced255feb14bfdde7cb9d4 [10/15] ath10k: Fill
> the channel survey results for WCN3990 correctly
> config: parisc-allmodconfig (attached as .config)
> compiler: hppa-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
> reproduce:
>         wget
> https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross
> -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         git checkout 108924d7a14299b2bcced255feb14bfdde7cb9d4
>         # save the attached .config to linux build tree
>         GCC_VERSION=7.2.0 make.cross ARCH=parisc 
>
> All errors (new ones prefixed by >>):
>
>>> ERROR: "__udivdi3" [drivers/net/wireless/ath/ath10k/ath10k_core.ko] undefined!
>>> ERROR: "__divdi3" [drivers/net/wireless/ath/ath10k/ath10k_core.ko] undefined!

I'm not sure what this is about. The corresponding patch is here:

https://patchwork.kernel.org/patch/10624567/

I see some division in the patch but I can't immeaditely see what's
wrong. So is this a problem in the bot, in parisc architecture or with
the patch? Anyone have any good ideas? Arnd?

-- 
Kalle Valo

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Re: [ath6kl:pending 10/15] ERROR: "__udivdi3" [drivers/net/wireless/ath/ath10k/ath10k_core.ko] undefined!

[Arnd Bergmann]

On Fri, Oct 12, 2018 at 4:32 PM Kalle Valo <kvalo@codeaurora.org> wrote:
>
> + linux-wireless, arnd
>
> >
> >>> ERROR: "__udivdi3" [drivers/net/wireless/ath/ath10k/ath10k_core.ko] undefined!
> >>> ERROR: "__divdi3" [drivers/net/wireless/ath/ath10k/ath10k_core.ko] undefined!
>
> I'm not sure what this is about. The corresponding patch is here:
>
> https://patchwork.kernel.org/patch/10624567/
>
> I see some division in the patch but I can't immeaditely see what's
> wrong. So is this a problem in the bot, in parisc architecture or with
> the patch? Anyone have any good ideas? Arnd?
>

I think the problem is that 'clock_freq' is a 'u64', which means we can't use
a normal 32-bit division. It looks like it cannot actually go beyond the
range of a u32, so changing the type should be sufficient.

      Arnd

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Re: [ath6kl:pending 10/15] ERROR: "__udivdi3" [drivers/net/wireless/ath/ath10k/ath10k_core.ko] undefined!

[Kalle Valo]

Arnd Bergmann <arnd@arndb.de> writes:

> On Fri, Oct 12, 2018 at 4:32 PM Kalle Valo <kvalo@codeaurora.org> wrote:
>>
>> + linux-wireless, arnd
>>
>> >
>> >>> ERROR: "__udivdi3" [drivers/net/wireless/ath/ath10k/ath10k_core.ko] undefined!
>> >>> ERROR: "__divdi3" [drivers/net/wireless/ath/ath10k/ath10k_core.ko] undefined!
>>
>> I'm not sure what this is about. The corresponding patch is here:
>>
>> https://patchwork.kernel.org/patch/10624567/
>>
>> I see some division in the patch but I can't immeaditely see what's
>> wrong. So is this a problem in the bot, in parisc architecture or with
>> the patch? Anyone have any good ideas? Arnd?
>>
>
> I think the problem is that 'clock_freq' is a 'u64', which means we can't use
> a normal 32-bit division. It looks like it cannot actually go beyond the
> range of a u32, so changing the type should be sufficient.

Great, thanks for the quick help :)

-- 
Kalle Valo

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