diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c | 135 |
1 files changed, 58 insertions, 77 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c index e17a970eaf2b..054520d67de4 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c @@ -26,34 +26,26 @@ #include <linux/pci.h> #include "stmmac.h" -static struct plat_stmmacenet_data plat_dat; -static struct stmmac_mdio_bus_data mdio_data; -static struct stmmac_dma_cfg dma_cfg; - -static void stmmac_default_data(void) +static void stmmac_default_data(struct plat_stmmacenet_data *plat) { - memset(&plat_dat, 0, sizeof(struct plat_stmmacenet_data)); - - plat_dat.bus_id = 1; - plat_dat.phy_addr = 0; - plat_dat.interface = PHY_INTERFACE_MODE_GMII; - plat_dat.clk_csr = 2; /* clk_csr_i = 20-35MHz & MDC = clk_csr_i/16 */ - plat_dat.has_gmac = 1; - plat_dat.force_sf_dma_mode = 1; + plat->bus_id = 1; + plat->phy_addr = 0; + plat->interface = PHY_INTERFACE_MODE_GMII; + plat->clk_csr = 2; /* clk_csr_i = 20-35MHz & MDC = clk_csr_i/16 */ + plat->has_gmac = 1; + plat->force_sf_dma_mode = 1; - mdio_data.phy_reset = NULL; - mdio_data.phy_mask = 0; - plat_dat.mdio_bus_data = &mdio_data; + plat->mdio_bus_data->phy_reset = NULL; + plat->mdio_bus_data->phy_mask = 0; - dma_cfg.pbl = 32; - dma_cfg.burst_len = DMA_AXI_BLEN_256; - plat_dat.dma_cfg = &dma_cfg; + plat->dma_cfg->pbl = 32; + plat->dma_cfg->burst_len = DMA_AXI_BLEN_256; /* Set default value for multicast hash bins */ - plat_dat.multicast_filter_bins = HASH_TABLE_SIZE; + plat->multicast_filter_bins = HASH_TABLE_SIZE; /* Set default value for unicast filter entries */ - plat_dat.unicast_filter_entries = 1; + plat->unicast_filter_entries = 1; } /** @@ -71,64 +63,61 @@ static void stmmac_default_data(void) static int stmmac_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { - int ret = 0; - void __iomem *addr = NULL; - struct stmmac_priv *priv = NULL; + struct plat_stmmacenet_data *plat; + struct stmmac_priv *priv; int i; + int ret; + + plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL); + if (!plat) + return -ENOMEM; + + plat->mdio_bus_data = devm_kzalloc(&pdev->dev, + sizeof(*plat->mdio_bus_data), + GFP_KERNEL); + if (!plat->mdio_bus_data) + return -ENOMEM; + + plat->dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*plat->dma_cfg), + GFP_KERNEL); + if (!plat->dma_cfg) + return -ENOMEM; /* Enable pci device */ - ret = pci_enable_device(pdev); + ret = pcim_enable_device(pdev); if (ret) { - pr_err("%s : ERROR: failed to enable %s device\n", __func__, - pci_name(pdev)); + dev_err(&pdev->dev, "%s: ERROR: failed to enable device\n", + __func__); return ret; } - if (pci_request_regions(pdev, STMMAC_RESOURCE_NAME)) { - pr_err("%s: ERROR: failed to get PCI region\n", __func__); - ret = -ENODEV; - goto err_out_req_reg_failed; - } /* Get the base address of device */ - for (i = 0; i <= 5; i++) { + for (i = 0; i <= PCI_STD_RESOURCE_END; i++) { if (pci_resource_len(pdev, i) == 0) continue; - addr = pci_iomap(pdev, i, 0); - if (addr == NULL) { - pr_err("%s: ERROR: cannot map register memory aborting", - __func__); - ret = -EIO; - goto err_out_map_failed; - } + ret = pcim_iomap_regions(pdev, BIT(i), pci_name(pdev)); + if (ret) + return ret; break; } + pci_set_master(pdev); - stmmac_default_data(); + stmmac_default_data(plat); - priv = stmmac_dvr_probe(&(pdev->dev), &plat_dat, addr); + priv = stmmac_dvr_probe(&pdev->dev, plat, pcim_iomap_table(pdev)[i]); if (IS_ERR(priv)) { - pr_err("%s: main driver probe failed", __func__); - ret = PTR_ERR(priv); - goto err_out; + dev_err(&pdev->dev, "%s: main driver probe failed\n", __func__); + return PTR_ERR(priv); } priv->dev->irq = pdev->irq; priv->wol_irq = pdev->irq; pci_set_drvdata(pdev, priv->dev); - pr_debug("STMMAC platform driver registration completed"); + dev_dbg(&pdev->dev, "STMMAC PCI driver registration completed\n"); return 0; - -err_out: - pci_clear_master(pdev); -err_out_map_failed: - pci_release_regions(pdev); -err_out_req_reg_failed: - pci_disable_device(pdev); - - return ret; } /** @@ -141,39 +130,30 @@ err_out_req_reg_failed: static void stmmac_pci_remove(struct pci_dev *pdev) { struct net_device *ndev = pci_get_drvdata(pdev); - struct stmmac_priv *priv = netdev_priv(ndev); stmmac_dvr_remove(ndev); - - pci_iounmap(pdev, priv->ioaddr); - pci_release_regions(pdev); - pci_disable_device(pdev); } -#ifdef CONFIG_PM -static int stmmac_pci_suspend(struct pci_dev *pdev, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int stmmac_pci_suspend(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct net_device *ndev = pci_get_drvdata(pdev); - int ret; - - ret = stmmac_suspend(ndev); - pci_save_state(pdev); - pci_set_power_state(pdev, pci_choose_state(pdev, state)); - return ret; + return stmmac_suspend(ndev); } -static int stmmac_pci_resume(struct pci_dev *pdev) +static int stmmac_pci_resume(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct net_device *ndev = pci_get_drvdata(pdev); - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - return stmmac_resume(ndev); } #endif +static SIMPLE_DEV_PM_OPS(stmmac_pm_ops, stmmac_pci_suspend, stmmac_pci_resume); + #define STMMAC_VENDOR_ID 0x700 #define STMMAC_DEVICE_ID 0x1108 @@ -185,17 +165,18 @@ static const struct pci_device_id stmmac_id_table[] = { MODULE_DEVICE_TABLE(pci, stmmac_id_table); -struct pci_driver stmmac_pci_driver = { +static struct pci_driver stmmac_pci_driver = { .name = STMMAC_RESOURCE_NAME, .id_table = stmmac_id_table, .probe = stmmac_pci_probe, .remove = stmmac_pci_remove, -#ifdef CONFIG_PM - .suspend = stmmac_pci_suspend, - .resume = stmmac_pci_resume, -#endif + .driver = { + .pm = &stmmac_pm_ops, + }, }; +module_pci_driver(stmmac_pci_driver); + MODULE_DESCRIPTION("STMMAC 10/100/1000 Ethernet PCI driver"); MODULE_AUTHOR("Rayagond Kokatanur <rayagond.kokatanur@vayavyalabs.com>"); MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>"); |