linux-kernel - Re: [PATCH v3 05/10] media: i2c: imx290: Add configurable link frequency and pixel rate

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Date:   Wed, 27 May 2020 22:43:14 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Andrey Konovalov <andrey.konovalov@...aro.org>, mchehab@...nel.org,
        sakari.ailus@....fi, manivannan.sadhasivam@...aro.org
Cc:     kbuild-all@...ts.01.org, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, c.barrett@...mos.com,
        a.brela@...mos.com, peter.griffin@...aro.org,
        Andrey Konovalov <andrey.konovalov@...aro.org>
Subject: Re: [PATCH v3 05/10] media: i2c: imx290: Add configurable link
 frequency and pixel rate

Hi Andrey,

I love your patch! Yet something to improve:

[auto build test ERROR on linuxtv-media/master]
[also build test ERROR on v5.7-rc7 next-20200526]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Andrey-Konovalov/Improvements-to-IMX290-CMOS-driver/20200525-032909
base:   git://linuxtv.org/media_tree.git master
config: microblaze-randconfig-c023-20200527 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

microblaze-linux-ld: drivers/media/i2c/imx290.o: in function `imx290_calc_pixel_rate':
>> drivers/media/i2c/imx290.c:465: undefined reference to `__divdi3'

vim +465 drivers/media/i2c/imx290.c

   458	
   459	static u64 imx290_calc_pixel_rate(struct imx290 *imx290)
   460	{
   461		s64 link_freq = imx290_get_link_freq(imx290);
   462		u8 nlanes = imx290->nlanes;
   463	
   464		/* pixel rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
 > 465		return (link_freq * 2 * nlanes / 10);
   466	}
   467	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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