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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 <nathan@kernel.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
d0583229bc