This patch implements clks_config callback for dwmac-mediatek platform,
which could support platform level clocks management.

Signed-off-by: Biao Huang <redacted>
---
  .../ethernet/stmicro/stmmac/dwmac-mediatek.c  | 24 ++++++++++++++-----
  1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
index 58c0feaa8131..157ff655c85e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c

@@ -359,9 +359,6 @@ 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;
  }
  

@@ -370,11 +367,25 @@ static void mediatek_dwmac_exit(struct platform_device *pdev, void *priv)
  	struct mediatek_dwmac_plat_data *plat = priv;
  
  	clk_bulk_disable_unprepare(plat->num_clks_to_config, plat->clks);
-
-	pm_runtime_put_sync(&pdev->dev);
-	pm_runtime_disable(&pdev->dev);
  }
  
+static int mediatek_dwmac_clks_config(void *priv, bool enabled)
+{
+	struct mediatek_dwmac_plat_data *plat = priv;
+	int ret = 0;
+
+	if (enabled) {
+		ret = clk_bulk_prepare_enable(plat->num_clks_to_config, plat->clks);
+		if (ret) {
+			dev_err(plat->dev, "failed to enable clks, err = %d\n", ret);
+			return ret;
+		}
+	} else {
+		clk_bulk_disable_unprepare(plat->num_clks_to_config, plat->clks);
+	}
+
+	return ret;
+}
  static int mediatek_dwmac_probe(struct platform_device *pdev)
  {
  	struct mediatek_dwmac_plat_data *priv_plat;

@@ -420,6 +431,7 @@ static int mediatek_dwmac_probe(struct platform_device *pdev)
  	plat_dat->bsp_priv = priv_plat;
  	plat_dat->init = mediatek_dwmac_init;
  	plat_dat->exit = mediatek_dwmac_exit;
+	plat_dat->clks_config = mediatek_dwmac_clks_config;
  	mediatek_dwmac_init(pdev, priv_plat);
  
  	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);