Re: [PATCH v2 -next] soundwire: Fix -Wunused-function warning

From: kbuild test robot
Date: Sat Aug 24 2019 - 22:45:50 EST

Hi YueHaibing,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on next-20190823]

config: x86_64-randconfig-g004-201934 (attached as .config)
compiler: gcc-7 (Debian 7.4.0-10) 7.4.0
# save the attached .config to linux build tree
make ARCH=x86_64

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> ERROR: "sdw_acpi_find_slaves" [drivers/soundwire/soundwire-bus.ko] undefined!
WARNING: "ftrace_set_clr_event" [vmlinux] is a static EXPORT_SYMBOL_GPL

0-DAY kernel test infrastructure Open Source Technology Center Intel Corporation

Attachment: .config.gz
Description: application/gzip