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Groups > linux.kernel > #1473969
| From | Caesar Wang <wxt@rock-chips.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v3 2/5] net: stmmac: dwmac-rk: add pd_gmac support for rk3399 |
| Date | 2016-09-01 01:40 +0200 |
| Message-ID | <scngR-sq-5@gated-at.bofh.it> (permalink) |
| References | <scn7c-pj-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: David Wu <david.wu@rock-chips.com>
Add the gmac power domain support for rk3399, in order to save more
power consumption.
Signed-off-by: David Wu <david.wu@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
---
Changes in v3: None
Changes in v2:
- fixes the build error on next kernel.
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
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[PATCH v3 0/5] Support the rk3399 gmac pd function Caesar Wang <wxt@rock-chips.com> - 2016-09-01 01:30 +0200
[PATCH v3 1/5] net: stmmac: dwmac-rk: fixes the gmac resume after PD on/off Caesar Wang <wxt@rock-chips.com> - 2016-09-01 01:30 +0200
[PATCH v3 3/5] arm64: dts: rockchip: add the gmac power domain on rk3399 Caesar Wang <wxt@rock-chips.com> - 2016-09-01 01:30 +0200
Re: [PATCH v3 3/5] arm64: dts: rockchip: add the gmac power domain on rk3399 Heiko Stübner <heiko@sntech.de> - 2016-09-01 14:30 +0200
[PATCH v3 2/5] net: stmmac: dwmac-rk: add pd_gmac support for rk3399 Caesar Wang <wxt@rock-chips.com> - 2016-09-01 01:40 +0200
[PATCH v3 4/5] arm64: dts: rockchip: add the gmac needed node for rk3399 Caesar Wang <wxt@rock-chips.com> - 2016-09-01 01:40 +0200
Re: [PATCH v3 4/5] arm64: dts: rockchip: add the gmac needed node for rk3399 Heiko Stübner <heiko@sntech.de> - 2016-09-01 14:30 +0200
[PATCH v3 5/5] arm64: dts: rockchip: enable the gmac for rk3399 evb board Caesar Wang <wxt@rock-chips.com> - 2016-09-01 01:40 +0200
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