linux-kernel - Re: [PATCH 2/2] pwm: core: Add option to config PWM duty/period with u64 data length

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Date:   Mon, 16 Sep 2019 22:07:48 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Guru Das Srinagesh <gurus@...eaurora.org>
Cc:     kbuild-all@...org, linux-pwm@...r.kernel.org,
        Thierry Reding <thierry.reding@...il.com>,
        kernel-team@...roid.com, Mark Salyzyn <salyzyn@...gle.com>,
        Sandeep Patil <sspatil@...gle.com>,
        Subbaraman Narayanamurthy <subbaram@...eaurora.org>,
        linux-kernel@...r.kernel.org, Fenglin Wu <fenglinw@...eaurora.org>,
        Guru Das Srinagesh <gurus@...eaurora.org>
Subject: Re: [PATCH 2/2] pwm: core: Add option to config PWM duty/period with
 u64 data length

Hi Guru,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[cannot apply to v5.3 next-20190915]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Guru-Das-Srinagesh/pwm-Add-different-PWM-output-types-support/20190916-151008
config: arm-multi_v4t_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=arm 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   drivers/pwm/pwm-clps711x.o: In function `clps711x_pwm_config':
>> pwm-clps711x.c:(.text+0x64): undefined reference to `__aeabi_uldivmod'
   drivers/pwm/pwm-clps711x.o: In function `clps711x_pwm_enable':
   pwm-clps711x.c:(.text+0x168): undefined reference to `__aeabi_uldivmod'
   drivers/video/backlight/pwm_bl.o: In function `pwm_backlight_probe':
>> pwm_bl.c:(.text+0x5fc): undefined reference to `__aeabi_uldivmod'

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