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path: root/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c87
1 files changed, 31 insertions, 56 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
index fc3b0acc8f99..52593ba3a3a3 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
@@ -27,7 +27,7 @@ struct sunxi_priv_data {
#define SUN7I_GMAC_GMII_RGMII_RATE 125000000
#define SUN7I_GMAC_MII_RATE 25000000
-static int sun7i_gmac_init(struct platform_device *pdev, void *priv)
+static int sun7i_gmac_init(struct device *dev, void *priv)
{
struct sunxi_priv_data *gmac = priv;
int ret = 0;
@@ -58,7 +58,7 @@ static int sun7i_gmac_init(struct platform_device *pdev, void *priv)
return ret;
}
-static void sun7i_gmac_exit(struct platform_device *pdev, void *priv)
+static void sun7i_gmac_exit(struct device *dev, void *priv)
{
struct sunxi_priv_data *gmac = priv;
@@ -72,28 +72,28 @@ static void sun7i_gmac_exit(struct platform_device *pdev, void *priv)
regulator_disable(gmac->regulator);
}
-static void sun7i_fix_speed(void *priv, unsigned int speed)
+static int sun7i_set_clk_tx_rate(void *bsp_priv, struct clk *clk_tx_i,
+ phy_interface_t interface, int speed)
{
- struct sunxi_priv_data *gmac = priv;
-
- /* only GMII mode requires us to reconfigure the clock lines */
- if (gmac->interface != PHY_INTERFACE_MODE_GMII)
- return;
-
- if (gmac->clk_enabled) {
- clk_disable(gmac->tx_clk);
- gmac->clk_enabled = 0;
- }
- clk_unprepare(gmac->tx_clk);
+ struct sunxi_priv_data *gmac = bsp_priv;
- if (speed == 1000) {
- clk_set_rate(gmac->tx_clk, SUN7I_GMAC_GMII_RGMII_RATE);
- clk_prepare_enable(gmac->tx_clk);
- gmac->clk_enabled = 1;
- } else {
- clk_set_rate(gmac->tx_clk, SUN7I_GMAC_MII_RATE);
- clk_prepare(gmac->tx_clk);
+ if (interface == PHY_INTERFACE_MODE_GMII) {
+ if (gmac->clk_enabled) {
+ clk_disable(gmac->tx_clk);
+ gmac->clk_enabled = 0;
+ }
+ clk_unprepare(gmac->tx_clk);
+
+ if (speed == 1000) {
+ clk_set_rate(gmac->tx_clk, SUN7I_GMAC_GMII_RGMII_RATE);
+ clk_prepare_enable(gmac->tx_clk);
+ gmac->clk_enabled = 1;
+ } else {
+ clk_set_rate(gmac->tx_clk, SUN7I_GMAC_MII_RATE);
+ clk_prepare(gmac->tx_clk);
+ }
}
+ return 0;
}
static int sun7i_gmac_probe(struct platform_device *pdev)
@@ -108,36 +108,27 @@ static int sun7i_gmac_probe(struct platform_device *pdev)
if (ret)
return ret;
- plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac);
+ plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac);
if (IS_ERR(plat_dat))
return PTR_ERR(plat_dat);
gmac = devm_kzalloc(dev, sizeof(*gmac), GFP_KERNEL);
- if (!gmac) {
- ret = -ENOMEM;
- goto err_remove_config_dt;
- }
+ if (!gmac)
+ return -ENOMEM;
- ret = of_get_phy_mode(dev->of_node, &gmac->interface);
- if (ret && ret != -ENODEV) {
- dev_err(dev, "Can't get phy-mode\n");
- goto err_remove_config_dt;
- }
+ gmac->interface = plat_dat->phy_interface;
gmac->tx_clk = devm_clk_get(dev, "allwinner_gmac_tx");
if (IS_ERR(gmac->tx_clk)) {
dev_err(dev, "could not get tx clock\n");
- ret = PTR_ERR(gmac->tx_clk);
- goto err_remove_config_dt;
+ return PTR_ERR(gmac->tx_clk);
}
/* Optional regulator for PHY */
gmac->regulator = devm_regulator_get_optional(dev, "phy");
if (IS_ERR(gmac->regulator)) {
- if (PTR_ERR(gmac->regulator) == -EPROBE_DEFER) {
- ret = -EPROBE_DEFER;
- goto err_remove_config_dt;
- }
+ if (PTR_ERR(gmac->regulator) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
dev_info(dev, "no regulator found\n");
gmac->regulator = NULL;
}
@@ -145,30 +136,15 @@ static int sun7i_gmac_probe(struct platform_device *pdev)
/* platform data specifying hardware features and callbacks.
* hardware features were copied from Allwinner drivers. */
plat_dat->tx_coe = 1;
- plat_dat->has_gmac = true;
+ plat_dat->core_type = DWMAC_CORE_GMAC;
plat_dat->bsp_priv = gmac;
plat_dat->init = sun7i_gmac_init;
plat_dat->exit = sun7i_gmac_exit;
- plat_dat->fix_mac_speed = sun7i_fix_speed;
+ plat_dat->set_clk_tx_rate = sun7i_set_clk_tx_rate;
plat_dat->tx_fifo_size = 4096;
plat_dat->rx_fifo_size = 16384;
- ret = sun7i_gmac_init(pdev, plat_dat->bsp_priv);
- if (ret)
- goto err_remove_config_dt;
-
- ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
- if (ret)
- goto err_gmac_exit;
-
- return 0;
-
-err_gmac_exit:
- sun7i_gmac_exit(pdev, plat_dat->bsp_priv);
-err_remove_config_dt:
- stmmac_remove_config_dt(pdev, plat_dat);
-
- return ret;
+ return devm_stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res);
}
static const struct of_device_id sun7i_dwmac_match[] = {
@@ -179,7 +155,6 @@ MODULE_DEVICE_TABLE(of, sun7i_dwmac_match);
static struct platform_driver sun7i_dwmac_driver = {
.probe = sun7i_gmac_probe,
- .remove = stmmac_pltfr_remove,
.driver = {
.name = "sun7i-dwmac",
.pm = &stmmac_pltfr_pm_ops,