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

7 Aug 2019


      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...
Build link,
https://storage.kernelci.org/next/master/next-20190807/arm64/defconfig/clang...
--
Naresh Kamoju