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From: Biao Huang <biao.huang@mediatek.com>
To: Jose Abreu <joabreu@synopsys.com>
Cc: andrew@lunn.ch, jianguo.zhang@mediatek.com,
	Alexandre Torgue <alexandre.torgue@st.com>,
	boon.leong.ong@intel.com, biao.huang@mediatek.com,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	yt.shen@mediatek.com, linux-mediatek@lists.infradead.org,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/4] net: stmmac: dwmac-mediatek: enable Ethernet power domain
Date: Thu, 30 May 2019 16:54:41 +0800	[thread overview]
Message-ID: <1559206484-1825-2-git-send-email-biao.huang@mediatek.com> (raw)
In-Reply-To: <1559206484-1825-1-git-send-email-biao.huang@mediatek.com>

add Ethernet power on/off operations in init/exit flow.

Signed-off-by: Biao Huang <biao.huang@mediatek.com>
---
 .../net/ethernet/stmicro/stmmac/dwmac-mediatek.c   |   18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
index 126b66b..3c7a60f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
@@ -9,6 +9,7 @@
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/of_net.h>
+#include <linux/pm_runtime.h>
 #include <linux/regmap.h>
 #include <linux/stmmac.h>
 
@@ -298,6 +299,9 @@ static int mediatek_dwmac_init(struct platform_device *pdev, void *priv)
 		return ret;
 	}
 
+	pm_runtime_enable(&pdev->dev);
+	pm_runtime_get_sync(&pdev->dev);
+
 	return 0;
 }
 
@@ -307,6 +311,9 @@ static void mediatek_dwmac_exit(struct platform_device *pdev, void *priv)
 	const struct mediatek_dwmac_variant *variant = plat->variant;
 
 	clk_bulk_disable_unprepare(variant->num_clks, plat->clks);
+
+	pm_runtime_put_sync(&pdev->dev);
+	pm_runtime_disable(&pdev->dev);
 }
 
 static int mediatek_dwmac_probe(struct platform_device *pdev)
@@ -364,6 +371,15 @@ static int mediatek_dwmac_probe(struct platform_device *pdev)
 	return 0;
 }
 
+static int mediatek_dwmac_remove(struct platform_device *pdev)
+{
+	int ret;
+
+	ret = stmmac_pltfr_remove(pdev);
+
+	return ret;
+}
+
 static const struct of_device_id mediatek_dwmac_match[] = {
 	{ .compatible = "mediatek,mt2712-gmac",
 	  .data = &mt2712_gmac_variant },
@@ -374,7 +390,7 @@ static int mediatek_dwmac_probe(struct platform_device *pdev)
 
 static struct platform_driver mediatek_dwmac_driver = {
 	.probe  = mediatek_dwmac_probe,
-	.remove = stmmac_pltfr_remove,
+	.remove = mediatek_dwmac_remove,
 	.driver = {
 		.name           = "dwmac-mediatek",
 		.pm		= &stmmac_pltfr_pm_ops,
-- 
1.7.9.5


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  reply	other threads:[~2019-05-30  8:55 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-30  8:54 [PATCH 0/4] complete dwmac-mediatek driver and fix flow control issue Biao Huang
2019-05-30  8:54 ` Biao Huang [this message]
2019-05-30  8:54 ` [PATCH 2/4] net: stmmac: dwmac-mediatek: disable rx watchdog Biao Huang
2019-05-30  8:54 ` [PATCH 3/4] net: stmmac: modify default value of tx-frames Biao Huang
2019-05-30 12:58   ` Andrew Lunn
2019-05-31  1:46     ` biao huang
2019-05-30  8:54 ` [PATCH 4/4] net: stmmac: dwmac4: fix flow control issue Biao Huang

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