diff options
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/pcie_bus.c')
-rw-r--r-- | drivers/net/wireless/ath/wil6210/pcie_bus.c | 105 |
1 files changed, 64 insertions, 41 deletions
diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index 109986114abf..aa3ecc607ca3 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -27,10 +27,6 @@ MODULE_PARM_DESC(use_msi, " Use MSI interrupt: " "0 - don't, 1 - (default) - single, or 3"); -static bool debug_fw; /* = false; */ -module_param(debug_fw, bool, S_IRUGO); -MODULE_PARM_DESC(debug_fw, " load driver if FW not ready. For FW debug"); - static void wil_set_capabilities(struct wil6210_priv *wil) { @@ -133,8 +129,6 @@ static int wil_if_pcie_enable(struct wil6210_priv *wil) mutex_lock(&wil->mutex); rc = wil_reset(wil, false); mutex_unlock(&wil->mutex); - if (debug_fw) - rc = 0; if (rc) goto release_irq; @@ -169,7 +163,6 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct wil6210_priv *wil; struct device *dev = &pdev->dev; - void __iomem *csr; int rc; /* check HW */ @@ -184,9 +177,28 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) return -ENODEV; } + wil = wil_if_alloc(dev); + if (IS_ERR(wil)) { + rc = (int)PTR_ERR(wil); + dev_err(dev, "wil_if_alloc failed: %d\n", rc); + return rc; + } + wil->pdev = pdev; + pci_set_drvdata(pdev, wil); + /* rollback to if_free */ + + wil->platform_handle = + wil_platform_init(&pdev->dev, &wil->platform_ops); + if (!wil->platform_handle) { + rc = -ENODEV; + wil_err(wil, "wil_platform_init failed\n"); + goto if_free; + } + /* rollback to err_plat */ + rc = pci_enable_device(pdev); if (rc) { - dev_err(&pdev->dev, + wil_err(wil, "pci_enable_device failed, retry with MSI only\n"); /* Work around for platforms that can't allocate IRQ: * retry with MSI only @@ -194,47 +206,37 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) pdev->msi_enabled = 1; rc = pci_enable_device(pdev); } - if (rc) - return -ENODEV; + if (rc) { + wil_err(wil, + "pci_enable_device failed, even with MSI only\n"); + goto err_plat; + } /* rollback to err_disable_pdev */ rc = pci_request_region(pdev, 0, WIL_NAME); if (rc) { - dev_err(&pdev->dev, "pci_request_region failed\n"); + wil_err(wil, "pci_request_region failed\n"); goto err_disable_pdev; } /* rollback to err_release_reg */ - csr = pci_ioremap_bar(pdev, 0); - if (!csr) { - dev_err(&pdev->dev, "pci_ioremap_bar failed\n"); + wil->csr = pci_ioremap_bar(pdev, 0); + if (!wil->csr) { + wil_err(wil, "pci_ioremap_bar failed\n"); rc = -ENODEV; goto err_release_reg; } /* rollback to err_iounmap */ - dev_info(&pdev->dev, "CSR at %pR -> 0x%p\n", &pdev->resource[0], csr); - - wil = wil_if_alloc(dev, csr); - if (IS_ERR(wil)) { - rc = (int)PTR_ERR(wil); - dev_err(dev, "wil_if_alloc failed: %d\n", rc); - goto err_iounmap; - } - /* rollback to if_free */ + wil_info(wil, "CSR at %pR -> 0x%p\n", &pdev->resource[0], wil->csr); - pci_set_drvdata(pdev, wil); - wil->pdev = pdev; wil_set_capabilities(wil); wil6210_clear_irq(wil); - wil->platform_handle = - wil_platform_init(&pdev->dev, &wil->platform_ops); - /* FW should raise IRQ when ready */ rc = wil_if_pcie_enable(wil); if (rc) { wil_err(wil, "Enable device failed\n"); - goto if_free; + goto err_iounmap; } /* rollback to bus_disable */ @@ -249,18 +251,19 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) return 0; - bus_disable: +bus_disable: wil_if_pcie_disable(wil); - if_free: +err_iounmap: + pci_iounmap(pdev, wil->csr); +err_release_reg: + pci_release_region(pdev, 0); +err_disable_pdev: + pci_disable_device(pdev); +err_plat: if (wil->platform_ops.uninit) wil->platform_ops.uninit(wil->platform_handle); +if_free: wil_if_free(wil); - err_iounmap: - pci_iounmap(pdev, csr); - err_release_reg: - pci_release_region(pdev, 0); - err_disable_pdev: - pci_disable_device(pdev); return rc; } @@ -275,12 +278,12 @@ static void wil_pcie_remove(struct pci_dev *pdev) wil6210_debugfs_remove(wil); wil_if_remove(wil); wil_if_pcie_disable(wil); - if (wil->platform_ops.uninit) - wil->platform_ops.uninit(wil->platform_handle); - wil_if_free(wil); pci_iounmap(pdev, csr); pci_release_region(pdev, 0); pci_disable_device(pdev); + if (wil->platform_ops.uninit) + wil->platform_ops.uninit(wil->platform_handle); + wil_if_free(wil); } static const struct pci_device_id wil6210_pcie_ids[] = { @@ -297,7 +300,27 @@ static struct pci_driver wil6210_driver = { .name = WIL_NAME, }; -module_pci_driver(wil6210_driver); +static int __init wil6210_driver_init(void) +{ + int rc; + + rc = wil_platform_modinit(); + if (rc) + return rc; + + rc = pci_register_driver(&wil6210_driver); + if (rc) + wil_platform_modexit(); + return rc; +} +module_init(wil6210_driver_init); + +static void __exit wil6210_driver_exit(void) +{ + pci_unregister_driver(&wil6210_driver); + wil_platform_modexit(); +} +module_exit(wil6210_driver_exit); MODULE_LICENSE("Dual BSD/GPL"); MODULE_AUTHOR("Qualcomm Atheros <wil6210@qca.qualcomm.com>"); |