ERROR: "rational_best_approximation" [drivers/tty/serial/8250/8250_mid.ko] undefined!

From: kbuild test robot
Date: Sat Nov 21 2015 - 19:15:04 EST

Hi Heikki,

FYI, the error/warning still remains.

tree: master
head: 707b4f493e77638387f29d5ea35e383c418e710d
commit: d9eda9bab237259b06690652b145d19e0ce37a77 serial: 8250_pci: Intel MID UART support to its own driver
date: 5 weeks ago
config: x86_64-randconfig-x011-11220649 (attached as .config)
git checkout d9eda9bab237259b06690652b145d19e0ce37a77
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

>> ERROR: "rational_best_approximation" [drivers/tty/serial/8250/8250_mid.ko] undefined!

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

Attachment: .config.gz
Description: Binary data