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path: root/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c33
1 files changed, 27 insertions, 6 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
index 5c74b6279d69..2ffa0a11eea5 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
@@ -113,8 +113,10 @@ static void rgmii_updatel(struct qcom_ethqos *ethqos,
rgmii_writel(ethqos, temp, offset);
}
-static void rgmii_dump(struct qcom_ethqos *ethqos)
+static void rgmii_dump(void *priv)
{
+ struct qcom_ethqos *ethqos = priv;
+
dev_dbg(&ethqos->pdev->dev, "Rgmii register dump\n");
dev_dbg(&ethqos->pdev->dev, "RGMII_IO_MACRO_CONFIG: %x\n",
rgmii_readl(ethqos, RGMII_IO_MACRO_CONFIG));
@@ -447,6 +449,24 @@ static void ethqos_fix_mac_speed(void *priv, unsigned int speed)
ethqos_configure(ethqos);
}
+static int ethqos_clks_config(void *priv, bool enabled)
+{
+ struct qcom_ethqos *ethqos = priv;
+ int ret = 0;
+
+ if (enabled) {
+ ret = clk_prepare_enable(ethqos->rgmii_clk);
+ if (ret) {
+ dev_err(&ethqos->pdev->dev, "rgmii_clk enable failed\n");
+ return ret;
+ }
+ } else {
+ clk_disable_unprepare(ethqos->rgmii_clk);
+ }
+
+ return ret;
+}
+
static int qcom_ethqos_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@@ -466,6 +486,8 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
return PTR_ERR(plat_dat);
}
+ plat_dat->clks_config = ethqos_clks_config;
+
ethqos = devm_kzalloc(&pdev->dev, sizeof(*ethqos), GFP_KERNEL);
if (!ethqos) {
ret = -ENOMEM;
@@ -489,7 +511,7 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
goto err_mem;
}
- ret = clk_prepare_enable(ethqos->rgmii_clk);
+ ret = ethqos_clks_config(ethqos, true);
if (ret)
goto err_mem;
@@ -499,6 +521,7 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
plat_dat->bsp_priv = ethqos;
plat_dat->fix_mac_speed = ethqos_fix_mac_speed;
+ plat_dat->dump_debug_regs = rgmii_dump;
plat_dat->has_gmac4 = 1;
plat_dat->pmt = 1;
plat_dat->tso_en = of_property_read_bool(np, "snps,tso");
@@ -507,12 +530,10 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
if (ret)
goto err_clk;
- rgmii_dump(ethqos);
-
return ret;
err_clk:
- clk_disable_unprepare(ethqos->rgmii_clk);
+ ethqos_clks_config(ethqos, false);
err_mem:
stmmac_remove_config_dt(pdev, plat_dat);
@@ -530,7 +551,7 @@ static int qcom_ethqos_remove(struct platform_device *pdev)
return -ENODEV;
ret = stmmac_pltfr_remove(pdev);
- clk_disable_unprepare(ethqos->rgmii_clk);
+ ethqos_clks_config(ethqos, false);
return ret;
}