Hi Yash,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on pwm/for-next]
[also build test ERROR on v5.0-rc4 next-20190205]
[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/Yash-Shah/pwm-sifive-Add-DT-documentation-for-SiFive-PWM-Controller/20190201-103646
base:   https://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm.git for-next
config: arm-allyesconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 8.2.0-11) 8.2.0
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=8.2.0 make.cross ARCH=arm 

All errors (new ones prefixed by >>):

   arm-linux-gnueabi-ld: drivers/pwm/pwm-sifive.o: in function `pwm_sifive_update_clock':
>> pwm-sifive.c:(.text+0x390): undefined reference to `__aeabi_uldivmod'

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