stmmac: dwmac-ipq806x: turn setup callback into a probe function

By using a few functions from stmmac_platform a proper probe
function can be created from the setup glue callback. This
makes it look more like a standard driver and the OF match
data can also be dropped.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
index 5f1b3f9..333489f 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
@@ -255,23 +255,33 @@ static void ipq806x_gmac_fix_mac_speed(void *priv, unsigned int speed)
        ipq806x_gmac_set_speed(gmac, speed);
 }
 
-static void *ipq806x_gmac_setup(struct platform_device *pdev)
+static int ipq806x_gmac_probe(struct platform_device *pdev)
 {
+       struct plat_stmmacenet_data *plat_dat;
+       struct stmmac_resources stmmac_res;
        struct device *dev = &pdev->dev;
        struct ipq806x_gmac *gmac;
        int val;
        void *err;
 
+       val = stmmac_get_platform_resources(pdev, &stmmac_res);
+       if (val)
+               return val;
+
+       plat_dat = 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)
-               return ERR_PTR(-ENOMEM);
+               return -ENOMEM;
 
        gmac->pdev = pdev;
 
        err = ipq806x_gmac_of_parse(gmac);
-       if (err) {
+       if (IS_ERR(err)) {
                dev_err(dev, "device tree parsing error\n");
-               return err;
+               return PTR_ERR(err);
        }
 
        regmap_write(gmac->qsgmii_csr, QSGMII_PCS_CAL_LCKDT_CTL,
@@ -292,7 +302,7 @@ static void *ipq806x_gmac_setup(struct platform_device *pdev)
        default:
                dev_err(&pdev->dev, "Unsupported PHY mode: \"%s\"\n",
                        phy_modes(gmac->phy_mode));
-               return NULL;
+               return -EINVAL;
        }
        regmap_write(gmac->nss_common, NSS_COMMON_GMAC_CTL(gmac->id), val);
 
@@ -311,7 +321,7 @@ static void *ipq806x_gmac_setup(struct platform_device *pdev)
        default:
                dev_err(&pdev->dev, "Unsupported PHY mode: \"%s\"\n",
                        phy_modes(gmac->phy_mode));
-               return NULL;
+               return -EINVAL;
        }
        regmap_write(gmac->nss_common, NSS_COMMON_CLK_SRC_CTRL, val);
 
@@ -334,23 +344,21 @@ static void *ipq806x_gmac_setup(struct platform_device *pdev)
                             0xC << QSGMII_PHY_TX_DRV_AMP_OFFSET);
        }
 
-       return gmac;
-}
+       plat_dat->has_gmac = true;
+       plat_dat->bsp_priv = gmac;
+       plat_dat->fix_mac_speed = ipq806x_gmac_fix_mac_speed;
 
-static const struct stmmac_of_data ipq806x_gmac_data = {
-       .has_gmac       = 1,
-       .setup          = ipq806x_gmac_setup,
-       .fix_mac_speed  = ipq806x_gmac_fix_mac_speed,
-};
+       return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+}
 
 static const struct of_device_id ipq806x_gmac_dwmac_match[] = {
-       { .compatible = "qcom,ipq806x-gmac", .data = &ipq806x_gmac_data },
+       { .compatible = "qcom,ipq806x-gmac" },
        { }
 };
 MODULE_DEVICE_TABLE(of, ipq806x_gmac_dwmac_match);
 
 static struct platform_driver ipq806x_gmac_dwmac_driver = {
-       .probe = stmmac_pltfr_probe,
+       .probe = ipq806x_gmac_probe,
        .remove = stmmac_pltfr_remove,
        .driver = {
                .name           = "ipq806x-gmac-dwmac",