drivers/pinctrl/cirrus/pinctrl-madera-core.o: warning: objtool: madera_pin_conf_set.cold()+0x4a: sibling call from callable instruction with modified stack frame

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   2dca74a40e1e7ff45079d85fc507769383039b9d
commit: 113d4bc9048336ba7c3d2ad972dbad4aef6e148a objtool: Fix clang switch table edge case
date:   4 months ago
config: x86_64-randconfig-a013-20200611 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce (this is a W=1 build):
        git checkout 113d4bc9048336ba7c3d2ad972dbad4aef6e148a
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

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

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> drivers/pinctrl/cirrus/pinctrl-madera-core.o: warning: objtool: madera_pin_conf_set.cold()+0x4a: sibling call from callable instruction with modified stack frame

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Attachment: .config.gz
Description: application/gzip