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path: root/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c65
1 files changed, 25 insertions, 40 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c
index 85ce80c600c7..5e0fc31762d9 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c
@@ -1,9 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Adaptrum Anarion DWMAC glue layer
*
* Copyright (C) 2017, Adaptrum, Inc.
* (Written by Alexandru Gagniuc <alex.g at adaptrum.com> for Adaptrum, Inc.)
- * Licensed under the GPLv2 or (at your option) any later version.
*/
#include <linux/io.h>
@@ -20,21 +20,21 @@
#define GMAC_CONFIG_INTF_RGMII (0x1 << 0)
struct anarion_gmac {
- uintptr_t ctl_block;
+ void __iomem *ctl_block;
uint32_t phy_intf_sel;
};
static uint32_t gmac_read_reg(struct anarion_gmac *gmac, uint8_t reg)
{
- return readl((void *)(gmac->ctl_block + reg));
+ return readl(gmac->ctl_block + reg);
};
static void gmac_write_reg(struct anarion_gmac *gmac, uint8_t reg, uint32_t val)
{
- writel(val, (void *)(gmac->ctl_block + reg));
+ writel(val, gmac->ctl_block + reg);
}
-static int anarion_gmac_init(struct platform_device *pdev, void *priv)
+static int anarion_gmac_init(struct device *dev, void *priv)
{
uint32_t sw_config;
struct anarion_gmac *gmac = priv;
@@ -52,45 +52,38 @@ static int anarion_gmac_init(struct platform_device *pdev, void *priv)
return 0;
}
-static void anarion_gmac_exit(struct platform_device *pdev, void *priv)
+static void anarion_gmac_exit(struct device *dev, void *priv)
{
struct anarion_gmac *gmac = priv;
gmac_write_reg(gmac, GMAC_RESET_CONTROL_REG, 1);
}
-static struct anarion_gmac *anarion_config_dt(struct platform_device *pdev)
+static struct anarion_gmac *
+anarion_config_dt(struct platform_device *pdev,
+ struct plat_stmmacenet_data *plat_dat)
{
- int phy_mode;
- struct resource *res;
- void __iomem *ctl_block;
struct anarion_gmac *gmac;
+ void __iomem *ctl_block;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- ctl_block = devm_ioremap_resource(&pdev->dev, res);
+ ctl_block = devm_platform_ioremap_resource(pdev, 1);
if (IS_ERR(ctl_block)) {
- dev_err(&pdev->dev, "Cannot get reset region (%ld)!\n",
- PTR_ERR(ctl_block));
- return ctl_block;
+ dev_err(&pdev->dev, "Cannot get reset region (%pe)!\n",
+ ctl_block);
+ return ERR_CAST(ctl_block);
}
gmac = devm_kzalloc(&pdev->dev, sizeof(*gmac), GFP_KERNEL);
if (!gmac)
return ERR_PTR(-ENOMEM);
- gmac->ctl_block = (uintptr_t)ctl_block;
+ gmac->ctl_block = ctl_block;
- phy_mode = of_get_phy_mode(pdev->dev.of_node);
- switch (phy_mode) {
- case PHY_INTERFACE_MODE_RGMII: /* Fall through */
- case PHY_INTERFACE_MODE_RGMII_ID /* Fall through */:
- case PHY_INTERFACE_MODE_RGMII_RXID: /* Fall through */
- case PHY_INTERFACE_MODE_RGMII_TXID:
+ if (phy_interface_mode_is_rgmii(plat_dat->phy_interface)) {
gmac->phy_intf_sel = GMAC_CONFIG_INTF_RGMII;
- break;
- default:
- dev_err(&pdev->dev, "Unsupported phy-mode (%d)\n",
- phy_mode);
+ } else {
+ dev_err(&pdev->dev, "Unsupported phy-mode (%s)\n",
+ phy_modes(plat_dat->phy_interface));
return ERR_PTR(-ENOTSUPP);
}
@@ -108,26 +101,19 @@ static int anarion_dwmac_probe(struct platform_device *pdev)
if (ret)
return ret;
- gmac = anarion_config_dt(pdev);
- if (IS_ERR(gmac))
- return PTR_ERR(gmac);
-
- 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 = anarion_config_dt(pdev, plat_dat);
+ if (IS_ERR(gmac))
+ return PTR_ERR(gmac);
+
plat_dat->init = anarion_gmac_init;
plat_dat->exit = anarion_gmac_exit;
- anarion_gmac_init(pdev, gmac);
plat_dat->bsp_priv = gmac;
- ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
- if (ret) {
- stmmac_remove_config_dt(pdev, plat_dat);
- return ret;
- }
-
- return 0;
+ return devm_stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res);
}
static const struct of_device_id anarion_dwmac_match[] = {
@@ -138,7 +124,6 @@ MODULE_DEVICE_TABLE(of, anarion_dwmac_match);
static struct platform_driver anarion_dwmac_driver = {
.probe = anarion_dwmac_probe,
- .remove = stmmac_pltfr_remove,
.driver = {
.name = "anarion-dwmac",
.pm = &stmmac_pltfr_pm_ops,