Add CONFIG_PM_RUNTIME to i2c_dw_pci_runtime_idle() to fix the
build warning when CONFIG_PM_RUNTIME is not selected. This is
because runtime PM callbacks defined by SET_RUNTIME_PM_OPS are
only used when the CONFIG_PM_RUNTIME is enabled.
drivers/i2c/busses/i2c-designware-pcidrv.c:188:12: warning: 'i2c_dw_pci_runtime_idle' defined but not used [-Wunused-function]
Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
drivers/i2c/busses/i2c-designware-pcidrv.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
index f6ed06c..2b5d3a6 100644
--- a/drivers/i2c/busses/i2c-designware-pcidrv.c
+++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
@@ -185,6 +185,7 @@ static int i2c_dw_pci_resume(struct device *dev)
return 0;
}
+#ifdef CONFIG_PM_RUNTIME
static int i2c_dw_pci_runtime_idle(struct device *dev)
{
int err = pm_schedule_suspend(dev, 500);
@@ -194,6 +195,7 @@ static int i2c_dw_pci_runtime_idle(struct device *dev)
return 0;
return -EBUSY;
}
+#endif
static const struct dev_pm_ops i2c_dw_pm_ops = {
.resume = i2c_dw_pci_resume,
--
1.7.10.4
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