diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c index d68f0c4e7835..9739bc9867c5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c @@ -108,7 +108,12 @@ static int intel_eth_plat_probe(struct platform_device *pdev) if (IS_ERR(dwmac->tx_clk)) return PTR_ERR(dwmac->tx_clk); - clk_prepare_enable(dwmac->tx_clk); + ret = clk_prepare_enable(dwmac->tx_clk); + if (ret) { + dev_err(&pdev->dev, + "Failed to enable tx_clk\n"); + return ret; + } /* Check and configure TX clock rate */ rate = clk_get_rate(dwmac->tx_clk); @@ -119,7 +124,7 @@ static int intel_eth_plat_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "Failed to set tx_clk\n"); - return ret; + goto err_tx_clk_disable; } } } @@ -133,7 +138,7 @@ static int intel_eth_plat_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "Failed to set clk_ptp_ref\n"); - return ret; + goto err_tx_clk_disable; } } } @@ -149,12 +154,15 @@ static int intel_eth_plat_probe(struct platform_device *pdev) } ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); - if (ret) { - clk_disable_unprepare(dwmac->tx_clk); - return ret; - } + if (ret) + goto err_tx_clk_disable; return 0; + +err_tx_clk_disable: + if (dwmac->data->tx_clk_en) + clk_disable_unprepare(dwmac->tx_clk); + return ret; } static void intel_eth_plat_remove(struct platform_device *pdev) @@ -162,7 +170,8 @@ static void intel_eth_plat_remove(struct platform_device *pdev) struct intel_dwmac *dwmac = get_stmmac_bsp_priv(&pdev->dev); stmmac_pltfr_remove(pdev); - clk_disable_unprepare(dwmac->tx_clk); + if (dwmac->data->tx_clk_en) + clk_disable_unprepare(dwmac->tx_clk); } static struct platform_driver intel_eth_plat_driver = { |