From: Caesar Wang <wxt@rock-chips.com>
To: Heiko Stuebner <heiko@sntech.de>,
"David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org, linux-rockchip@lists.infradead.org,
Brian Norris <briannorris@chromium.org>,
Douglas Anderson <dianders@chromium.org>,
dbasehore@chromium.org, David Wu <david.wu@rock-chips.com>,
Caesar Wang <wxt@rock-chips.com>,
Giuseppe Cavallaro <peppe.cavallaro@st.com>,
Alexandre Torgue <alexandre.torgue@st.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH v4 3/6] net: stmmac: dwmac-rk: add pd_gmac support for rk3399
Date: Fri, 2 Sep 2016 01:50:01 +0800 [thread overview]
Message-ID: <1472752204-8924-4-git-send-email-wxt@rock-chips.com> (raw)
In-Reply-To: <1472752204-8924-1-git-send-email-wxt@rock-chips.com>
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 v4: None
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 e2ba6c4..3740a44 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"
@@ -883,11 +884,19 @@ 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
next prev parent reply other threads:[~2016-09-01 22:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-01 17:49 [PATCH v4 0/6] Support the rk3399 gmac and pd function Caesar Wang
2016-09-01 17:49 ` [PATCH v4 1/6] net: stmmac: dwmac-rk: add rk3366 & rk3399 specific data Caesar Wang
2016-09-12 13:28 ` Rob Herring
2016-09-01 17:50 ` [PATCH v4 2/6] net: stmmac: dwmac-rk: fixes the gmac resume after PD on/off Caesar Wang
2016-09-01 17:50 ` Caesar Wang [this message]
2016-09-01 17:50 ` [PATCH v4 4/6] arm64: dts: rockchip: add the gmac power domain on rk3399 Caesar Wang
2016-09-01 21:57 ` Doug Anderson
2016-09-02 11:00 ` Heiko Stübner
2016-09-01 17:50 ` [PATCH v4 5/6] arm64: dts: rockchip: add the gmac needed node for rk3399 Caesar Wang
2016-09-07 18:12 ` Heiko Stuebner
2016-09-01 17:50 ` [PATCH v4 6/6] arm64: dts: rockchip: enable the gmac for rk3399 evb board Caesar Wang
2016-09-07 18:16 ` Heiko Stuebner
2016-09-03 0:09 ` [PATCH v4 0/6] Support the rk3399 gmac and pd function David Miller
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