From: David Wu <david.wu@xxxxxxxxxxxxxx>
Add the gmac power domain support for rk3399, in order to save more
power consumption.
Signed-off-by: David Wu <david.wu at rock-chips.com>
Signed-off-by: Caesar Wang <wxt at rock-chips.com>
---
drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 289e7a6..406573d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -30,6 +30,7 @@
#include <linux/delay.h>
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
+#include <linux/pm_runtime.h>
#include "stmmac_platform.h"
@@ -659,11 +660,19 @@ static int rk_gmac_powerup(struct rk_priv_data *bsp_priv)
if (ret)
return ret;
+ pm_runtime_enable(dev);
+ pm_runtime_get_sync(dev);
+
return 0;
}
static void rk_gmac_powerdown(struct rk_priv_data *gmac)
{
+ struct device *dev = &gmac->pdev->dev;
+
+ pm_runtime_put_sync(dev);
+ pm_runtime_disable(dev);
+
phy_power_on(gmac, false);
gmac_clk_enable(gmac, false);
}
--
1.9.1
