Re: [PATCH linux 4/4] drivers/fsi/occ: Add in-kernel API

From: kbuild test robot
Date: Sat Jun 24 2017 - 08:13:07 EST


Hi Edward,

[auto build test ERROR on next-20170619]
[cannot apply to linux/master linus/master robh/for-next v4.12-rc6 v4.12-rc5 v4.12-rc4 v4.12-rc6]
[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/Eddie-James/drivers-fsi-Add-SBEFIFO-and-OCC-drivers/20170623-160949
config: i386-randconfig-n0-06241643 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All errors (new ones prefixed by >>):

drivers/fsi/occ.c: In function 'occ_unregister_child':
>> drivers/fsi/occ.c:669:2: error: implicit declaration of function 'of_device_unregister' [-Werror=implicit-function-declaration]
of_device_unregister(child);
^~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors

vim +/of_device_unregister +669 drivers/fsi/occ.c

663 EXPORT_SYMBOL_GPL(occ_drv_release);
664
665 static int occ_unregister_child(struct device *dev, void *data)
666 {
667 struct platform_device *child = to_platform_device(dev);
668
> 669 of_device_unregister(child);
670 if (dev->of_node)
671 of_node_clear_flag(dev->of_node, OF_POPULATED);
672

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