From d0583229bcf5090495d0621892d5da93d9fb6e3c Mon Sep 17 00:00:00 2001 From: Nathan Chancellor Date: Thu, 3 Mar 2022 12:17:13 -0700 Subject: i2c: designware: Mark dw_i2c_plat_{suspend,resume}() as __maybe_unused When CONFIG_PM is set but CONFIG_PM_SLEEP is not, two compiler warnings appear: drivers/i2c/busses/i2c-designware-platdrv.c:444:12: error: unused function 'dw_i2c_plat_suspend' [-Werror,-Wunused-function] static int dw_i2c_plat_suspend(struct device *dev) ^ drivers/i2c/busses/i2c-designware-platdrv.c:465:12: error: unused function 'dw_i2c_plat_resume' [-Werror,-Wunused-function] static int dw_i2c_plat_resume(struct device *dev) ^ 2 errors generated. These functions are only used in SET_LATE_SYSTEM_SLEEP_PM_OPS(), which is defined as empty when CONFIG_PM_SLEEP is not defined. Mark the functions as __maybe_unused to make it clear that these functions might be unused in this configuration. Fixes: c57813b8b288 ("i2c: designware: Lock the adapter while setting the suspended flag") Signed-off-by: Nathan Chancellor Reviewed-by: Hans de Goede Reviewed-by: Andy Shevchenko Acked-by: Jarkko Nikula Acked-by: Geert Uytterhoeven Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-designware-platdrv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/i2c') diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 116a297d1f6b..70ade5306e45 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -441,7 +441,7 @@ static int dw_i2c_plat_runtime_suspend(struct device *dev) return 0; } -static int dw_i2c_plat_suspend(struct device *dev) +static int __maybe_unused dw_i2c_plat_suspend(struct device *dev) { struct dw_i2c_dev *i_dev = dev_get_drvdata(dev); @@ -462,7 +462,7 @@ static int dw_i2c_plat_runtime_resume(struct device *dev) return 0; } -static int dw_i2c_plat_resume(struct device *dev) +static int __maybe_unused dw_i2c_plat_resume(struct device *dev) { struct dw_i2c_dev *i_dev = dev_get_drvdata(dev); -- cgit v1.2.3