diff options
| -rw-r--r-- | Documentation/networking/stmmac.txt | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c | 59 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c | 31 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 136 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h | 8 | ||||
| -rw-r--r-- | include/linux/stmmac.h | 2 |
6 files changed, 126 insertions, 114 deletions
diff --git a/Documentation/networking/stmmac.txt b/Documentation/networking/stmmac.txt index e655e2453c98..5fddefa69baf 100644 --- a/Documentation/networking/stmmac.txt +++ b/Documentation/networking/stmmac.txt @@ -139,8 +139,6 @@ struct plat_stmmacenet_data { void (*free)(struct platform_device *pdev, void *priv); int (*init)(struct platform_device *pdev, void *priv); void (*exit)(struct platform_device *pdev, void *priv); - void *custom_cfg; - void *custom_data; void *bsp_priv; }; @@ -186,8 +184,6 @@ Where: which will be stored in bsp_priv, and then passed to init and exit callbacks. init/exit callbacks should not use or modify platform data. - o custom_cfg/custom_data: this is a custom configuration that can be passed - while initializing the resources. o bsp_priv: another private pointer. For MDIO bus The we have: diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c index cb888d3ebbdc..78e9d1861896 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c @@ -25,66 +25,53 @@ # define LPC18XX_CREG_CREG6_ETHMODE_MII 0x0 # define LPC18XX_CREG_CREG6_ETHMODE_RMII 0x4 -struct lpc18xx_dwmac_priv_data { +static int lpc18xx_dwmac_probe(struct platform_device *pdev) +{ + struct plat_stmmacenet_data *plat_dat; + struct stmmac_resources stmmac_res; struct regmap *reg; - int interface; -}; + u8 ethmode; + int ret; -static void *lpc18xx_dwmac_setup(struct platform_device *pdev) -{ - struct lpc18xx_dwmac_priv_data *dwmac; + ret = stmmac_get_platform_resources(pdev, &stmmac_res); + if (ret) + return ret; - dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL); - if (!dwmac) - return ERR_PTR(-ENOMEM); + plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac); + if (IS_ERR(plat_dat)) + return PTR_ERR(plat_dat); - dwmac->interface = of_get_phy_mode(pdev->dev.of_node); - if (dwmac->interface < 0) - return ERR_PTR(dwmac->interface); + plat_dat->has_gmac = true; - dwmac->reg = syscon_regmap_lookup_by_compatible("nxp,lpc1850-creg"); - if (IS_ERR(dwmac->reg)) { - dev_err(&pdev->dev, "Syscon lookup failed\n"); - return dwmac->reg; + reg = syscon_regmap_lookup_by_compatible("nxp,lpc1850-creg"); + if (IS_ERR(reg)) { + dev_err(&pdev->dev, "syscon lookup failed\n"); + return PTR_ERR(reg); } - return dwmac; -} - -static int lpc18xx_dwmac_init(struct platform_device *pdev, void *priv) -{ - struct lpc18xx_dwmac_priv_data *dwmac = priv; - u8 ethmode; - - if (dwmac->interface == PHY_INTERFACE_MODE_MII) { + if (plat_dat->interface == PHY_INTERFACE_MODE_MII) { ethmode = LPC18XX_CREG_CREG6_ETHMODE_MII; - } else if (dwmac->interface == PHY_INTERFACE_MODE_RMII) { + } else if (plat_dat->interface == PHY_INTERFACE_MODE_RMII) { ethmode = LPC18XX_CREG_CREG6_ETHMODE_RMII; } else { dev_err(&pdev->dev, "Only MII and RMII mode supported\n"); return -EINVAL; } - regmap_update_bits(dwmac->reg, LPC18XX_CREG_CREG6, + regmap_update_bits(reg, LPC18XX_CREG_CREG6, LPC18XX_CREG_CREG6_ETHMODE_MASK, ethmode); - return 0; + return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); } -static const struct stmmac_of_data lpc18xx_dwmac_data = { - .has_gmac = 1, - .setup = lpc18xx_dwmac_setup, - .init = lpc18xx_dwmac_init, -}; - static const struct of_device_id lpc18xx_dwmac_match[] = { - { .compatible = "nxp,lpc1850-dwmac", .data = &lpc18xx_dwmac_data }, + { .compatible = "nxp,lpc1850-dwmac" }, { } }; MODULE_DEVICE_TABLE(of, lpc18xx_dwmac_match); static struct platform_driver lpc18xx_dwmac_driver = { - .probe = stmmac_pltfr_probe, + .probe = lpc18xx_dwmac_probe, .remove = stmmac_pltfr_remove, .driver = { .name = "lpc18xx-dwmac", diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c index 61a324a87d09..c1bac1912b37 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c @@ -47,36 +47,45 @@ static void meson6_dwmac_fix_mac_speed(void *priv, unsigned int speed) writel(val, dwmac->reg); } -static void *meson6_dwmac_setup(struct platform_device *pdev) +static int meson6_dwmac_probe(struct platform_device *pdev) { + struct plat_stmmacenet_data *plat_dat; + struct stmmac_resources stmmac_res; struct meson_dwmac *dwmac; struct resource *res; + 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); dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL); if (!dwmac) - return ERR_PTR(-ENOMEM); + return -ENOMEM; res = platform_get_resource(pdev, IORESOURCE_MEM, 1); dwmac->reg = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(dwmac->reg)) - return ERR_CAST(dwmac->reg); + return PTR_ERR(dwmac->reg); - return dwmac; -} + plat_dat->bsp_priv = dwmac; + plat_dat->fix_mac_speed = meson6_dwmac_fix_mac_speed; -static const struct stmmac_of_data meson6_dwmac_data = { - .setup = meson6_dwmac_setup, - .fix_mac_speed = meson6_dwmac_fix_mac_speed, -}; + return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); +} static const struct of_device_id meson6_dwmac_match[] = { - { .compatible = "amlogic,meson6-dwmac", .data = &meson6_dwmac_data}, + { .compatible = "amlogic,meson6-dwmac" }, { } }; MODULE_DEVICE_TABLE(of, meson6_dwmac_match); static struct platform_driver meson6_dwmac_driver = { - .probe = stmmac_pltfr_probe, + .probe = meson6_dwmac_probe, .remove = stmmac_pltfr_remove, .driver = { .name = "meson6-dwmac", diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index f3918c7e7eeb..eca0eb845241 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -104,18 +104,20 @@ static int dwmac1000_validate_ucast_entries(int ucast_entries) * this function is to read the driver parameters from device-tree and * set some private fields that will be used by the main at runtime. */ -static int stmmac_probe_config_dt(struct platform_device *pdev, - struct plat_stmmacenet_data *plat, - const char **mac) +struct plat_stmmacenet_data * +stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) { struct device_node *np = pdev->dev.of_node; + struct plat_stmmacenet_data *plat; + const struct stmmac_of_data *data; struct stmmac_dma_cfg *dma_cfg; - const struct of_device_id *device; - struct device *dev = &pdev->dev; - device = of_match_device(dev->driver->of_match_table, dev); - if (device->data) { - const struct stmmac_of_data *data = device->data; + plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL); + if (!plat) + return ERR_PTR(-ENOMEM); + + data = of_device_get_match_data(&pdev->dev); + if (data) { plat->has_gmac = data->has_gmac; plat->enh_desc = data->enh_desc; plat->tx_coe = data->tx_coe; @@ -151,7 +153,7 @@ static int stmmac_probe_config_dt(struct platform_device *pdev, /* If phy-handle is not specified, check if we have a fixed-phy */ if (!plat->phy_node && of_phy_is_fixed_link(np)) { if ((of_phy_register_fixed_link(np) < 0)) - return -ENODEV; + return ERR_PTR(-ENODEV); plat->phy_node = of_node_get(np); } @@ -182,6 +184,12 @@ static int stmmac_probe_config_dt(struct platform_device *pdev, */ plat->maxmtu = JUMBO_LEN; + /* Set default value for multicast hash bins */ + plat->multicast_filter_bins = HASH_TABLE_SIZE; + + /* Set default value for unicast filter entries */ + plat->unicast_filter_entries = 1; + /* * Currently only the properties needed on SPEAr600 * are provided. All other properties should be added @@ -222,7 +230,7 @@ static int stmmac_probe_config_dt(struct platform_device *pdev, GFP_KERNEL); if (!dma_cfg) { of_node_put(np); - return -ENOMEM; + return ERR_PTR(-ENOMEM); } plat->dma_cfg = dma_cfg; of_property_read_u32(np, "snps,pbl", &dma_cfg->pbl); @@ -240,44 +248,34 @@ static int stmmac_probe_config_dt(struct platform_device *pdev, pr_warn("force_sf_dma_mode is ignored if force_thresh_dma_mode is set."); } - return 0; + return plat; } #else -static int stmmac_probe_config_dt(struct platform_device *pdev, - struct plat_stmmacenet_data *plat, - const char **mac) +struct plat_stmmacenet_data * +stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) { - return -ENOSYS; + return ERR_PTR(-ENOSYS); } #endif /* CONFIG_OF */ +EXPORT_SYMBOL_GPL(stmmac_probe_config_dt); -/** - * stmmac_pltfr_probe - platform driver probe. - * @pdev: platform device pointer - * Description: platform_device probe function. It is to allocate - * the necessary platform resources, invoke custom helper (if required) and - * invoke the main probe function. - */ -int stmmac_pltfr_probe(struct platform_device *pdev) +int stmmac_get_platform_resources(struct platform_device *pdev, + struct stmmac_resources *stmmac_res) { - struct stmmac_resources stmmac_res; - int ret = 0; struct resource *res; - struct device *dev = &pdev->dev; - struct plat_stmmacenet_data *plat_dat = NULL; - memset(&stmmac_res, 0, sizeof(stmmac_res)); + memset(stmmac_res, 0, sizeof(*stmmac_res)); /* Get IRQ information early to have an ability to ask for deferred * probe if needed before we went too far with resource allocation. */ - stmmac_res.irq = platform_get_irq_byname(pdev, "macirq"); - if (stmmac_res.irq < 0) { - if (stmmac_res.irq != -EPROBE_DEFER) { - dev_err(dev, + stmmac_res->irq = platform_get_irq_byname(pdev, "macirq"); + if (stmmac_res->irq < 0) { + if (stmmac_res->irq != -EPROBE_DEFER) { + dev_err(&pdev->dev, "MAC IRQ configuration information not found\n"); } - return stmmac_res.irq; + return stmmac_res->irq; } /* On some platforms e.g. SPEAr the wake up irq differs from the mac irq @@ -287,45 +285,61 @@ int stmmac_pltfr_probe(struct platform_device *pdev) * In case the wake up interrupt is not passed from the platform * so the driver will continue to use the mac irq (ndev->irq) */ - stmmac_res.wol_irq = platform_get_irq_byname(pdev, "eth_wake_irq"); - if (stmmac_res.wol_irq < 0) { - if (stmmac_res.wol_irq == -EPROBE_DEFER) + stmmac_res->wol_irq = platform_get_irq_byname(pdev, "eth_wake_irq"); + if (stmmac_res->wol_irq < 0) { + if (stmmac_res->wol_irq == -EPROBE_DEFER) return -EPROBE_DEFER; - stmmac_res.wol_irq = stmmac_res.irq; + stmmac_res->wol_irq = stmmac_res->irq; } - stmmac_res.lpi_irq = platform_get_irq_byname(pdev, "eth_lpi"); - if (stmmac_res.lpi_irq == -EPROBE_DEFER) + stmmac_res->lpi_irq = platform_get_irq_byname(pdev, "eth_lpi"); + if (stmmac_res->lpi_irq == -EPROBE_DEFER) return -EPROBE_DEFER; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - stmmac_res.addr = devm_ioremap_resource(dev, res); - if (IS_ERR(stmmac_res.addr)) - return PTR_ERR(stmmac_res.addr); - - plat_dat = dev_get_platdata(&pdev->dev); - - if (!plat_dat) - plat_dat = devm_kzalloc(&pdev->dev, - sizeof(struct plat_stmmacenet_data), - GFP_KERNEL); - if (!plat_dat) { - pr_err("%s: ERROR: no memory", __func__); - return -ENOMEM; - } + stmmac_res->addr = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(stmmac_res->addr)) + return PTR_ERR(stmmac_res->addr); - /* Set default value for multicast hash bins */ - plat_dat->multicast_filter_bins = HASH_TABLE_SIZE; + return 0; +} +EXPORT_SYMBOL_GPL(stmmac_get_platform_resources); - /* Set default value for unicast filter entries */ - plat_dat->unicast_filter_entries = 1; +/** + * stmmac_pltfr_probe - platform driver probe. + * @pdev: platform device pointer + * Description: platform_device probe function. It is to allocate + * the necessary platform resources, invoke custom helper (if required) and + * invoke the main probe function. + */ +int stmmac_pltfr_probe(struct platform_device *pdev) +{ + struct plat_stmmacenet_data *plat_dat; + struct stmmac_resources stmmac_res; + int ret; + + ret = stmmac_get_platform_resources(pdev, &stmmac_res); + if (ret) + return ret; if (pdev->dev.of_node) { - ret = stmmac_probe_config_dt(pdev, plat_dat, &stmmac_res.mac); - if (ret) { - pr_err("%s: main dt probe failed", __func__); - return ret; + plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac); + if (IS_ERR(plat_dat)) { + dev_err(&pdev->dev, "dt configuration failed\n"); + return PTR_ERR(plat_dat); + } + } else { + plat_dat = dev_get_platdata(&pdev->dev); + if (!plat_dat) { + dev_err(&pdev->dev, "no platform data provided\n"); + return -EINVAL; } + + /* Set default value for multicast hash bins */ + plat_dat->multicast_filter_bins = HASH_TABLE_SIZE; + + /* Set default value for unicast filter entries */ + plat_dat->unicast_filter_entries = 1; } /* Custom setup (if needed) */ diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h index 71da86d7bd00..84ceb5342686 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h @@ -19,6 +19,14 @@ #ifndef __STMMAC_PLATFORM_H__ #define __STMMAC_PLATFORM_H__ +#include "stmmac.h" + +struct plat_stmmacenet_data * +stmmac_probe_config_dt(struct platform_device *pdev, const char **mac); + +int stmmac_get_platform_resources(struct platform_device *pdev, + struct stmmac_resources *stmmac_res); + int stmmac_pltfr_probe(struct platform_device *pdev); int stmmac_pltfr_remove(struct platform_device *pdev); extern const struct dev_pm_ops stmmac_pltfr_pm_ops; diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h index c735f5c91eea..c86a20047cb1 100644 --- a/include/linux/stmmac.h +++ b/include/linux/stmmac.h @@ -123,8 +123,6 @@ struct plat_stmmacenet_data { void (*free)(struct platform_device *pdev, void *priv); int (*init)(struct platform_device *pdev, void *priv); void (*exit)(struct platform_device *pdev, void *priv); - void *custom_cfg; - void *custom_data; void *bsp_priv; }; |