Hi Martin, [auto build test WARNING on next-20160113] [cannot apply to v4.4-rc8 v4.4-rc7 v4.4-rc6 v4.4] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Martin-Kepplinger/iio-mma8452-add-freefall-detection-for-Freescale-s-accelerometers/20160113-192756 config: x86_64-randconfig-x015-01110856 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/linux/list.h:4, from include/linux/module.h:9, from drivers/iio/accel/mma8452.c:21: drivers/iio/accel/mma8452.c: In function 'mma8452_write_event_config': drivers/iio/accel/mma8452.c:682:15: warning: the address of 'mma8452_freefall_mode_enabled' will always evaluate as 'true' [-Waddress] if ((!state && mma8452_freefall_mode_enabled) || ^ include/linux/compiler.h:147:28: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> drivers/iio/accel/mma8452.c:682:3: note: in expansion of macro 'if' if ((!state && mma8452_freefall_mode_enabled) || ^ drivers/iio/accel/mma8452.c:683:17: warning: the address of 'mma8452_freefall_mode_enabled' will always evaluate as 'true' [-Waddress] (state && !mma8452_freefall_mode_enabled)) ^ include/linux/compiler.h:147:28: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> drivers/iio/accel/mma8452.c:682:3: note: in expansion of macro 'if' if ((!state && mma8452_freefall_mode_enabled) || ^ drivers/iio/accel/mma8452.c:682:15: warning: the address of 'mma8452_freefall_mode_enabled' will always evaluate as 'true' [-Waddress] if ((!state && mma8452_freefall_mode_enabled) || ^ include/linux/compiler.h:147:40: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> drivers/iio/accel/mma8452.c:682:3: note: in expansion of macro 'if' if ((!state && mma8452_freefall_mode_enabled) || ^ drivers/iio/accel/mma8452.c:683:17: warning: the address of 'mma8452_freefall_mode_enabled' will always evaluate as 'true' [-Waddress] (state && !mma8452_freefall_mode_enabled)) ^ include/linux/compiler.h:147:40: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> drivers/iio/accel/mma8452.c:682:3: note: in expansion of macro 'if' if ((!state && mma8452_freefall_mode_enabled) || ^ drivers/iio/accel/mma8452.c:682:15: warning: the address of 'mma8452_freefall_mode_enabled' will always evaluate as 'true' [-Waddress] if ((!state && mma8452_freefall_mode_enabled) || ^ include/linux/compiler.h:158:16: note: in definition of macro '__trace_if' ______r = !!(cond); \ ^ >> drivers/iio/accel/mma8452.c:682:3: note: in expansion of macro 'if' if ((!state && mma8452_freefall_mode_enabled) || ^ drivers/iio/accel/mma8452.c:683:17: warning: the address of 'mma8452_freefall_mode_enabled' will always evaluate as 'true' [-Waddress] (state && !mma8452_freefall_mode_enabled)) ^ include/linux/compiler.h:158:16: note: in definition of macro '__trace_if' ______r = !!(cond); \ ^ >> drivers/iio/accel/mma8452.c:682:3: note: in expansion of macro 'if' if ((!state && mma8452_freefall_mode_enabled) || ^ vim +/if +682 drivers/iio/accel/mma8452.c 666 return -EINVAL; 667 } 668 } 669 670 static int mma8452_write_event_config(struct iio_dev *indio_dev, 671 const struct iio_chan_spec *chan, 672 enum iio_event_type type, 673 enum iio_event_direction dir, 674 int state) 675 { 676 struct mma8452_data *data = iio_priv(indio_dev); 677 const struct mma_chip_info *chip = data->chip_info; 678 int val; 679 680 switch (dir) { 681 case IIO_EV_DIR_FALLING: > 682 if ((!state && mma8452_freefall_mode_enabled) || 683 (state && !mma8452_freefall_mode_enabled)) 684 return mma8452_set_freefall_mode(data, state); 685 else 686 return 0; 687 case IIO_EV_DIR_RISING: 688 val = i2c_smbus_read_byte_data(data->client, chip->ev_cfg); 689 if (val < 0) 690 return val; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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