sh_eth: enclose PM code into #ifdef CONFIG_PM
Put '#ifdef CONFIG_PM' around sh_eth_runtime_nop() and 'sh_eth_dev_pm_ops'.
Add '#define SH_ETH_PM_OPS' to facilitate initialization of driver's 'pm' field
depending on whether CONFIG_PM is enabled.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
[Sergei: added the changelog, reworded the subject, changing the prefix.]
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index d190c1e..0699b1e 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -2673,6 +2673,7 @@
return 0;
}
+#ifdef CONFIG_PM
static int sh_eth_runtime_nop(struct device *dev)
{
/*
@@ -2686,17 +2687,21 @@
return 0;
}
-static struct dev_pm_ops sh_eth_dev_pm_ops = {
+static const struct dev_pm_ops sh_eth_dev_pm_ops = {
.runtime_suspend = sh_eth_runtime_nop,
.runtime_resume = sh_eth_runtime_nop,
};
+#define SH_ETH_PM_OPS (&sh_eth_dev_pm_ops)
+#else
+#define SH_ETH_PM_OPS NULL
+#endif
static struct platform_driver sh_eth_driver = {
.probe = sh_eth_drv_probe,
.remove = sh_eth_drv_remove,
.driver = {
.name = CARDNAME,
- .pm = &sh_eth_dev_pm_ops,
+ .pm = SH_ETH_PM_OPS,
},
};