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Date: Thu, 30 May 2019 17:43:15 +0800 From: Biao Huang <biao.huang@...iatek.com> To: <davem@...emloft.net>, Jose Abreu <joabreu@...opsys.com> CC: Giuseppe Cavallaro <peppe.cavallaro@...com>, Alexandre Torgue <alexandre.torgue@...com>, Maxime Coquelin <mcoquelin.stm32@...il.com>, Matthias Brugger <matthias.bgg@...il.com>, <netdev@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>, <yt.shen@...iatek.com>, <biao.huang@...iatek.com>, <jianguo.zhang@...iatek.com>, <boon.leong.ong@...el.com>, <andrew@...n.ch> Subject: [RESEND, PATCH 1/4] net: stmmac: dwmac-mediatek: enable Ethernet power domain add Ethernet power on/off operations in init/exit flow. Signed-off-by: Biao Huang <biao.huang@...iatek.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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