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stmmac: dwmac-sunxi: 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>
This commit is contained in:
Joachim Eastwood 2015-07-29 00:08:54 +02:00 committed by David S. Miller
parent 22caae0317
commit 9a9e9a1ede
1 changed files with 31 additions and 18 deletions
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49
drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
View File

@ -103,54 +103,67 @@ static void sun7i_fix_speed(void *priv, unsigned int speed)
}
}
static void *sun7i_gmac_setup(struct platform_device *pdev)
static int sun7i_gmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
struct sunxi_priv_data *gmac;
struct device *dev = &pdev->dev;
int ret;
ret = stmmac_get_platform_resources(pdev, &stmmac_res);
if (ret)
return ret;
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->interface = of_get_phy_mode(dev->of_node);
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");
return gmac->tx_clk;
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)
return ERR_PTR(-EPROBE_DEFER);
return -EPROBE_DEFER;
dev_info(dev, "no regulator found\n");
gmac->regulator = NULL;
}
return gmac;
/* 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->bsp_priv = gmac;
plat_dat->init = sun7i_gmac_init;
plat_dat->exit = sun7i_gmac_exit;
plat_dat->fix_mac_speed = sun7i_fix_speed;
ret = sun7i_gmac_init(pdev, plat_dat->bsp_priv);
if (ret)
return ret;
return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
}
/* of_data specifying hardware features and callbacks.
* hardware features were copied from Allwinner drivers. */
static const struct stmmac_of_data sun7i_gmac_data = {
.has_gmac = 1,
.tx_coe = 1,
.fix_mac_speed = sun7i_fix_speed,
.setup = sun7i_gmac_setup,
.init = sun7i_gmac_init,
.exit = sun7i_gmac_exit,
};
static const struct of_device_id sun7i_dwmac_match[] = {
{ .compatible = "allwinner,sun7i-a20-gmac", .data = &sun7i_gmac_data},
{ .compatible = "allwinner,sun7i-a20-gmac" },
{ }
};
MODULE_DEVICE_TABLE(of, sun7i_dwmac_match);
static struct platform_driver sun7i_dwmac_driver = {
.probe = stmmac_pltfr_probe,
.probe = sun7i_gmac_probe,
.remove = stmmac_pltfr_remove,
.driver = {
.name = "sun7i-dwmac",