twx-linux/drivers/platform
Tzung-Bi Shih 7e76e4bc00 platform/chrome: cros_kbd_led_backlight: fix build warning
drivers/platform/chrome/cros_kbd_led_backlight.c got a new build warning
when using the randconfig in [1]:
>>> warning: unused variable 'keyboard_led_drvdata_ec_pwm'

The warning happens when CONFIG_CROS_EC is set but CONFIG_OF is not set.
Reproduce:
- mkdir build_dir
- wget [1] -O build_dir/.config
- COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 \
  O=build_dir ARCH=s390 SHELL=/bin/bash drivers/platform/chrome/

Fix the warning by using __maybe_unused.  Also use IS_ENABLED() because
CROS_EC is a tristate.

[1]: https://download.01.org/0day-ci/archive/20220717/202207170538.MR39dw8m-lkp@intel.com/config

Fixes: 40f58143745e ("platform/chrome: cros_kbd_led_backlight: support EC PWM backend")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220718105047.2356542-1-tzungbi@kernel.org
2022-07-20 01:22:59 +00:00
..
chrome platform/chrome: cros_kbd_led_backlight: fix build warning 2022-07-20 01:22:59 +00:00
goldfish platform: goldfish: pipe: Use platform_get_irq() to get the interrupt 2022-03-18 13:55:21 +01:00
mellanox platform/mellanox: Add support for new SN2201 system 2022-05-12 15:35:29 +02:00
mips MIPS: Loongson: Use hwmon_device_register_with_groups() to register hwmon 2022-05-12 17:58:05 +02:00
olpc spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
surface platform/surface: aggregator: Fix initialization order when compiling as builtin module 2022-05-06 13:02:46 +02:00
x86 platform/x86/intel/ifs: Add CPU_SUP_INTEL dependency 2022-05-19 19:46:25 +02:00
Kconfig platform: Add Surface platform directory 2020-10-27 12:51:03 +01:00
Makefile platform: Add Surface platform directory 2020-10-27 12:51:03 +01:00