If CONFIG_PM is not set, build warns:
drivers/soundwire/intel.c:488:12: warning: 'intel_link_power_down' defined but not used [-Wunused-function]
Mark the functions __maybe_unused and remove the CONFIG_PM dependency.
Signed-off-by: YueHaibing yuehaibing@huawei.com --- drivers/soundwire/intel.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index e047910d73f5..48ae8800594a 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -400,7 +400,7 @@ static void intel_shim_glue_to_master_ip(struct sdw_intel *sdw) }
/* this needs to be called with shim_lock */ -static void intel_shim_master_ip_to_glue(struct sdw_intel *sdw) +static void __maybe_unused intel_shim_master_ip_to_glue(struct sdw_intel *sdw) { unsigned int link_id = sdw->instance; void __iomem *shim = sdw->link_res->shim; @@ -485,7 +485,7 @@ static void intel_shim_wake(struct sdw_intel *sdw, bool wake_enable) mutex_unlock(sdw->link_res->shim_lock); }
-static int intel_link_power_down(struct sdw_intel *sdw) +static int __maybe_unused intel_link_power_down(struct sdw_intel *sdw) { u32 link_control, spa_mask, cpa_mask; unsigned int link_id = sdw->instance; @@ -1540,8 +1540,6 @@ int intel_master_process_wakeen_event(struct platform_device *pdev) * PM calls */
-#ifdef CONFIG_PM - static int __maybe_unused intel_suspend(struct device *dev) { struct sdw_cdns *cdns = dev_get_drvdata(dev); @@ -1596,7 +1594,7 @@ static int __maybe_unused intel_suspend(struct device *dev) return 0; }
-static int intel_suspend_runtime(struct device *dev) +static int __maybe_unused intel_suspend_runtime(struct device *dev) { struct sdw_cdns *cdns = dev_get_drvdata(dev); struct sdw_intel *sdw = cdns_to_intel(cdns); @@ -1751,7 +1749,7 @@ static int __maybe_unused intel_resume(struct device *dev) return ret; }
-static int intel_resume_runtime(struct device *dev) +static int __maybe_unused intel_resume_runtime(struct device *dev) { struct sdw_cdns *cdns = dev_get_drvdata(dev); struct sdw_intel *sdw = cdns_to_intel(cdns); @@ -1924,8 +1922,6 @@ static int intel_resume_runtime(struct device *dev) return ret; }
-#endif - static const struct dev_pm_ops intel_pm = { SET_SYSTEM_SLEEP_PM_OPS(intel_suspend, intel_resume) SET_RUNTIME_PM_OPS(intel_suspend_runtime, intel_resume_runtime, NULL)