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SubjectRe: [PATCH mips-fixes] MIPS: BCM47XX: Setup struct device for the SoC
Hi Rafał,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.20 next-20190103]
[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/Rafa-Mi-ecki/MIPS-BCM47XX-Setup-struct-device-for-the-SoC/20190102-210611
config: mips-bcm47xx_defconfig (attached as .config)
compiler: mipsel-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
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=mips

All errors (new ones prefixed by >>):

arch/mips/bcm47xx/setup.c: In function 'bcm47xx_register_bus_complete':
>> arch/mips/bcm47xx/setup.c:267:3: error: ignoring return value of 'device_register', declared with attribute warn_unused_result [-Werror=unused-result]
device_register(bcm47xx_bus.bcma.dev);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors

vim +/device_register +267 arch/mips/bcm47xx/setup.c

256
257 static int __init bcm47xx_register_bus_complete(void)
258 {
259 switch (bcm47xx_bus_type) {
260 #ifdef CONFIG_BCM47XX_SSB
261 case BCM47XX_BUS_TYPE_SSB:
262 /* Nothing to do */
263 break;
264 #endif
265 #ifdef CONFIG_BCM47XX_BCMA
266 case BCM47XX_BUS_TYPE_BCMA:
> 267 device_register(bcm47xx_bus.bcma.dev);

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