Hi YueHaibing,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on next-20190823]
url: https://github.com/0day-ci/linux/commits/YueHaibing/soundwire-Fix-Wunused-fu... config: x86_64-randconfig-g004-201934 (attached as .config) compiler: gcc-7 (Debian 7.4.0-10) 7.4.0 reproduce: # 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@intel.com
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
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