[PATCH] i2c-designware: define i2c_dw_pci_runtime_idle only with runtime pm

Vincent Stehlé
2013-09-26T22:24:03Z

Make sure i2c_dw_pci_runtime_idle() is defined only when actually used, when
CONFIG_PM_RUNTIME is defined.

This fixes the following compilation warning:

drivers/i2c/busses/i2c-designware-pcidrv.c:188:12: warning: ‘i2c_dw_pci_runtime_idle’ defined but not used [-Wunused-function]

Signed-off-by: Vincent Stehlé <vincent.stehle-QFKgK+z4sOrR7s880joybQ@public.gmane.org>
Cc: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
---
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,
--
1.8.4.rc3