Re: [PATCH linux 2/4] drivers/fsi/sbefifo: Add in-kernel API

From: kbuild test robot
Date: Sat Jun 24 2017 - 07:18:58 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/fsi-sbefifo.c: In function 'sbefifo_unregister_child':
>> drivers//fsi/fsi-sbefifo.c:775:2: 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 +775 drivers//fsi/fsi-sbefifo.c

769 EXPORT_SYMBOL_GPL(sbefifo_drv_release);
770
771 static int sbefifo_unregister_child(struct device *dev, void *data)
772 {
773 struct platform_device *child = to_platform_device(dev);
774
> 775 of_device_unregister(child);
776 if (dev->of_node)
777 of_node_clear_flag(dev->of_node, OF_POPULATED);
778

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