Linux next-20190807: arm64: build failed - phy-rockchip-inno-hdmi.c:1046:26: error: anonymous bit-field has negative width (-1)

From: Naresh Kamboju
Date: Wed Aug 07 2019 - 07:18:30 EST


Linux next 20190807 arm64 default config build failed due to below error.

/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c:1046:26: error:
anonymous bit-field has negative width (-1)
inno_write(inno, 0xc6, RK3328_TERM_RESISTOR_CALIB_SPEED_7_0(v));
^
../drivers/phy/rockchip/phy-rockchip-inno-hdmi.c:201:50: note:
expanded from macro 'RK3328_TERM_RESISTOR_CALIB_SPEED_7_0'
#define RK3328_TERM_RESISTOR_CALIB_SPEED_7_0(x) UPDATE(x, 7, 9)
^
../drivers/phy/rockchip/phy-rockchip-inno-hdmi.c:24:42: note: expanded
from macro 'UPDATE'
#define UPDATE(x, h, l) (((x) << (l)) & GENMASK((h), (l)))
^
../include/linux/bits.h:39:3: note: expanded from macro 'GENMASK'
(GENMASK_INPUT_CHECK(high, low) + __GENMASK(high, low))
^
../include/linux/bits.h:24:18: note: expanded from macro 'GENMASK_INPUT_CHECK'
((unsigned long)BUILD_BUG_ON_ZERO(__builtin_choose_expr( \
^
../include/linux/build_bug.h:16:47: note: expanded from macro
'BUILD_BUG_ON_ZERO'
#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:(-!!(e)); }))

Config link,
https://storage.kernelci.org/next/master/next-20190807/arm64/defconfig/clang-8/kernel.config

Build link,
https://storage.kernelci.org/next/master/next-20190807/arm64/defconfig/clang-8/build.log

--
Naresh Kamoju