--- zzzz-none-000/linux-3.10.107/drivers/net/wireless/ath/wil6210/pcie_bus.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/net/wireless/ath/wil6210/pcie_bus.c 2021-02-04 17:41:59.000000000 +0000 @@ -1,5 +1,6 @@ /* - * Copyright (c) 2012 Qualcomm Atheros, Inc. + * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. + * Copyright (c) 2018, The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -15,62 +16,230 @@ */ #include -#include #include #include - +#include +#include #include "wil6210.h" +#include +#include + +static int n_msi = 3; +module_param(n_msi, int, 0444); +MODULE_PARM_DESC(n_msi, " Use MSI interrupt: 0 - use INTx, 1 - single, or 3 - (default) "); + +bool ftm_mode; +module_param(ftm_mode, bool, 0444); +MODULE_PARM_DESC(ftm_mode, " Set factory test mode, default - false"); + +static int wil6210_pm_notify(struct notifier_block *notify_block, + unsigned long mode, void *unused); + +static +int wil_set_capabilities(struct wil6210_priv *wil) +{ + const char *wil_fw_name; + u32 jtag_id = wil_r(wil, RGF_USER_JTAG_DEV_ID); + u8 chip_revision = (wil_r(wil, RGF_USER_REVISION_ID) & + RGF_USER_REVISION_ID_MASK); + int platform_capa; + struct fw_map *iccm_section, *sct; + + bitmap_zero(wil->hw_capa, hw_capa_last); + bitmap_zero(wil->fw_capabilities, WMI_FW_CAPABILITY_MAX); + bitmap_zero(wil->platform_capa, WIL_PLATFORM_CAPA_MAX); + wil->wil_fw_name = ftm_mode ? WIL_FW_NAME_FTM_DEFAULT : + WIL_FW_NAME_DEFAULT; + wil->chip_revision = chip_revision; + + switch (jtag_id) { + case JTAG_DEV_ID_SPARROW: + memcpy(fw_mapping, sparrow_fw_mapping, + sizeof(sparrow_fw_mapping)); + switch (chip_revision) { + case REVISION_ID_SPARROW_D0: + wil->hw_name = "Sparrow D0"; + wil->hw_version = HW_VER_SPARROW_D0; + wil_fw_name = ftm_mode ? WIL_FW_NAME_FTM_SPARROW_PLUS : + WIL_FW_NAME_SPARROW_PLUS; + + if (wil_fw_verify_file_exists(wil, wil_fw_name)) + wil->wil_fw_name = wil_fw_name; + sct = wil_find_fw_mapping("mac_rgf_ext"); + if (!sct) { + wil_err(wil, "mac_rgf_ext section not found in fw_mapping\n"); + return -EINVAL; + } + memcpy(sct, &sparrow_d0_mac_rgf_ext, sizeof(*sct)); + break; + case REVISION_ID_SPARROW_B0: + wil->hw_name = "Sparrow B0"; + wil->hw_version = HW_VER_SPARROW_B0; + break; + default: + wil->hw_name = "Unknown"; + wil->hw_version = HW_VER_UNKNOWN; + break; + } + wil->rgf_fw_assert_code_addr = SPARROW_RGF_FW_ASSERT_CODE; + wil->rgf_ucode_assert_code_addr = SPARROW_RGF_UCODE_ASSERT_CODE; + break; + case JTAG_DEV_ID_TALYN: + wil->hw_name = "Talyn-MA"; + wil->hw_version = HW_VER_TALYN; + memcpy(fw_mapping, talyn_fw_mapping, sizeof(talyn_fw_mapping)); + wil->rgf_fw_assert_code_addr = TALYN_RGF_FW_ASSERT_CODE; + wil->rgf_ucode_assert_code_addr = TALYN_RGF_UCODE_ASSERT_CODE; + if (wil_r(wil, RGF_USER_OTP_HW_RD_MACHINE_1) & + BIT_NO_FLASH_INDICATION) + set_bit(hw_capa_no_flash, wil->hw_capa); + wil_fw_name = ftm_mode ? WIL_FW_NAME_FTM_TALYN : + WIL_FW_NAME_TALYN; + if (wil_fw_verify_file_exists(wil, wil_fw_name)) + wil->wil_fw_name = wil_fw_name; + break; + case JTAG_DEV_ID_TALYN_MB: + wil->hw_name = "Talyn-MB"; + wil->hw_version = HW_VER_TALYN_MB; + memcpy(fw_mapping, talyn_mb_fw_mapping, + sizeof(talyn_mb_fw_mapping)); + wil->rgf_fw_assert_code_addr = TALYN_RGF_FW_ASSERT_CODE; + wil->rgf_ucode_assert_code_addr = TALYN_RGF_UCODE_ASSERT_CODE; + set_bit(hw_capa_no_flash, wil->hw_capa); + wil->use_enhanced_dma_hw = true; + wil->use_rx_hw_reordering = true; + wil->use_compressed_rx_status = true; + wil_fw_name = ftm_mode ? WIL_FW_NAME_FTM_TALYN : + WIL_FW_NAME_TALYN; + if (wil_fw_verify_file_exists(wil, wil_fw_name)) + wil->wil_fw_name = wil_fw_name; + break; + default: + wil_err(wil, "Unknown board hardware, chip_id 0x%08x, chip_revision 0x%08x\n", + jtag_id, chip_revision); + wil->hw_name = "Unknown"; + wil->hw_version = HW_VER_UNKNOWN; + return -EINVAL; + } + + wil_init_txrx_ops(wil); + + iccm_section = wil_find_fw_mapping("fw_code"); + if (!iccm_section) { + wil_err(wil, "fw_code section not found in fw_mapping\n"); + return -EINVAL; + } + wil->iccm_base = iccm_section->host; + + wil_info(wil, "Board hardware is %s, flash %sexist\n", wil->hw_name, + test_bit(hw_capa_no_flash, wil->hw_capa) ? "doesn't " : ""); + + /* Get platform capabilities */ + if (wil->platform_ops.get_capa) { + platform_capa = + wil->platform_ops.get_capa(wil->platform_handle); + memcpy(wil->platform_capa, &platform_capa, + min(sizeof(wil->platform_capa), sizeof(platform_capa))); + } + + /* extract FW capabilities from file without loading the FW */ + wil_request_firmware(wil, wil->wil_fw_name, false); + wil_refresh_fw_capabilities(wil); + + return 0; +} + +void wil_disable_irq(struct wil6210_priv *wil) +{ + int irq = wil->pdev->irq; + + disable_irq(irq); + if (wil->n_msi == 3) { + disable_irq(irq + 1); + disable_irq(irq + 2); + } +} + +void wil_enable_irq(struct wil6210_priv *wil) +{ + int irq = wil->pdev->irq; -static int use_msi = 1; -module_param(use_msi, int, S_IRUGO); -MODULE_PARM_DESC(use_msi, - " Use MSI interrupt: " - "0 - don't, 1 - (default) - single, or 3"); + enable_irq(irq); + if (wil->n_msi == 3) { + enable_irq(irq + 1); + enable_irq(irq + 2); + } +} + +static void wil_remove_all_additional_vifs(struct wil6210_priv *wil) +{ + struct wil6210_vif *vif; + int i; + + for (i = 1; i < wil->max_vifs; i++) { + vif = wil->vifs[i]; + if (vif) { + wil_vif_prepare_stop(vif); + wil_vif_remove(wil, vif->mid); + } + } +} /* Bus ops */ static int wil_if_pcie_enable(struct wil6210_priv *wil) { struct pci_dev *pdev = wil->pdev; int rc; + /* on platforms with buggy ACPI, pdev->msi_enabled may be set to + * allow pci_enable_device to work. This indicates INTx was not routed + * and only MSI should be used + */ + int msi_only = pdev->msi_enabled; + + wil_dbg_misc(wil, "if_pcie_enable\n"); pci_set_master(pdev); - /* - * how many MSI interrupts to request? - */ - switch (use_msi) { + /* how many MSI interrupts to request? */ + switch (n_msi) { case 3: case 1: + wil_dbg_misc(wil, "Setup %d MSI interrupts\n", n_msi); + break; case 0: + wil_dbg_misc(wil, "MSI interrupts disabled, use INTx\n"); break; default: - wil_err(wil, "Invalid use_msi=%d, default to 1\n", - use_msi); - use_msi = 1; - } - wil->n_msi = use_msi; - if (wil->n_msi) { - wil_dbg_misc(wil, "Setup %d MSI interrupts\n", use_msi); - rc = pci_enable_msi_block(pdev, wil->n_msi); - if (rc && (wil->n_msi == 3)) { - wil_err(wil, "3 MSI mode failed, try 1 MSI\n"); - wil->n_msi = 1; - rc = pci_enable_msi_block(pdev, wil->n_msi); - } - if (rc) { - wil_err(wil, "pci_enable_msi failed, use INTx\n"); - wil->n_msi = 0; - } - } else { - wil_dbg_misc(wil, "MSI interrupts disabled, use INTx\n"); + wil_err(wil, "Invalid n_msi=%d, default to 1\n", n_msi); + n_msi = 1; + } + + if (n_msi == 3 && pci_enable_msi_range(pdev, n_msi, n_msi) < 0) { + wil_err(wil, "3 MSI mode failed, try 1 MSI\n"); + n_msi = 1; + } + + if (n_msi == 1 && pci_enable_msi(pdev)) { + wil_err(wil, "pci_enable_msi failed, use INTx\n"); + n_msi = 0; + } + + wil->n_msi = n_msi; + + if (wil->n_msi == 0 && msi_only) { + wil_err(wil, "Interrupt pin not routed, unable to use INTx\n"); + rc = -ENODEV; + goto stop_master; } rc = wil6210_init_irq(wil, pdev->irq); if (rc) - goto stop_master; + goto release_vectors; /* need reset here to obtain MAC */ - rc = wil_reset(wil); + mutex_lock(&wil->mutex); + rc = wil_reset(wil, false); + mutex_unlock(&wil->mutex); if (rc) goto release_irq; @@ -78,6 +247,7 @@ release_irq: wil6210_fini_irq(wil, pdev->irq); + release_vectors: /* safe to call if no MSI */ pci_disable_msi(pdev); stop_master: @@ -89,6 +259,8 @@ { struct pci_dev *pdev = wil->pdev; + wil_dbg_misc(wil, "if_pcie_disable\n"); + pci_clear_master(pdev); /* disable and release IRQ */ wil6210_fini_irq(wil, pdev->irq); @@ -99,63 +271,149 @@ return 0; } +static int wil_platform_rop_ramdump(void *wil_handle, void *buf, uint32_t size) +{ + struct wil6210_priv *wil = wil_handle; + + if (!wil) + return -EINVAL; + + return wil_fw_copy_crash_dump(wil, buf, size); +} + +static int wil_platform_rop_fw_recovery(void *wil_handle) +{ + struct wil6210_priv *wil = wil_handle; + + if (!wil) + return -EINVAL; + + wil_fw_error_recovery(wil); + + return 0; +} + +static void wil_platform_ops_uninit(struct wil6210_priv *wil) +{ + if (wil->platform_ops.uninit) + wil->platform_ops.uninit(wil->platform_handle); + memset(&wil->platform_ops, 0, sizeof(wil->platform_ops)); +} + 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; + const struct wil_platform_rops rops = { + .ramdump = wil_platform_rop_ramdump, + .fw_recovery = wil_platform_rop_fw_recovery, + }; + u32 bar_size = pci_resource_len(pdev, 0); + int dma_addr_size[] = {64, 48, 40, 32}; /* keep descending order */ + int i, start_idx; /* check HW */ - dev_info(&pdev->dev, WIL_NAME " device found [%04x:%04x] (rev %x)\n", - (int)pdev->vendor, (int)pdev->device, (int)pdev->revision); - - if (pci_resource_len(pdev, 0) != WIL6210_MEM_SIZE) { - dev_err(&pdev->dev, "Not " WIL_NAME "? " - "BAR0 size is %lu while expecting %lu\n", - (ulong)pci_resource_len(pdev, 0), WIL6210_MEM_SIZE); + dev_info(&pdev->dev, WIL_NAME + " device found [%04x:%04x] (rev %x) bar size 0x%x\n", + (int)pdev->vendor, (int)pdev->device, (int)pdev->revision, + bar_size); + + if ((bar_size < WIL6210_MIN_MEM_SIZE) || + (bar_size > WIL6210_MAX_MEM_SIZE)) { + dev_err(&pdev->dev, "Unexpected BAR0 size 0x%x\n", + bar_size); 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); + wil->bar_size = bar_size; + /* rollback to if_free */ + + wil->platform_handle = + wil_platform_init(&pdev->dev, &wil->platform_ops, &rops, wil); + 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 && pdev->msi_enabled == 0) { + 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 + */ + pdev->msi_enabled = 1; + rc = pci_enable_device(pdev); + } if (rc) { - dev_err(&pdev->dev, "pci_enable_device failed\n"); - return -ENODEV; + wil_err(wil, + "pci_enable_device failed, even with MSI only\n"); + goto err_plat; } /* rollback to err_disable_pdev */ + pci_set_power_state(pdev, PCI_D0); 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 -> %p\n", &pdev->resource[0], csr); + wil_info(wil, "CSR at %pR -> 0x%p\n", &pdev->resource[0], wil->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); + rc = wil_set_capabilities(wil); + if (rc) { + wil_err(wil, "wil_set_capabilities failed, rc %d\n", rc); goto err_iounmap; } - /* rollback to if_free */ - pci_set_drvdata(pdev, wil); - wil->pdev = pdev; + /* device supports >32bit addresses. + * for legacy DMA start from 48 bit. + */ + start_idx = wil->use_enhanced_dma_hw ? 0 : 1; + + for (i = start_idx; i < ARRAY_SIZE(dma_addr_size); i++) { + rc = dma_set_mask_and_coherent(dev, + DMA_BIT_MASK(dma_addr_size[i])); + if (rc) { + dev_err(dev, "dma_set_mask_and_coherent(%d) failed: %d\n", + dma_addr_size[i], rc); + continue; + } + dev_info(dev, "using dma mask %d", dma_addr_size[i]); + wil->dma_addr_size = dma_addr_size[i]; + break; + } + + if (wil->dma_addr_size == 0) + goto err_iounmap; + + wil6210_clear_irq(wil); /* 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 */ @@ -165,23 +423,49 @@ goto bus_disable; } + /* in case of WMI-only FW, perform full reset and FW loading */ + if (test_bit(WMI_FW_CAPABILITY_WMI_ONLY, wil->fw_capabilities)) { + wil_dbg_misc(wil, "Loading WMI only FW\n"); + mutex_lock(&wil->mutex); + rc = wil_reset(wil, true); + mutex_unlock(&wil->mutex); + if (rc) { + wil_err(wil, "failed to load WMI only FW\n"); + goto if_remove; + } + } + + if (IS_ENABLED(CONFIG_PM)) + wil->pm_notify.notifier_call = wil6210_pm_notify; + + rc = register_pm_notifier(&wil->pm_notify); + if (rc) + /* Do not fail the driver initialization, as suspend can + * be prevented in a later phase if needed + */ + wil_err(wil, "register_pm_notifier failed: %d\n", rc); + wil6210_debugfs_init(wil); + wil6210_sysfs_init(wil); - /* check FW is alive */ - wmi_echo(wil); + wil_pm_runtime_allow(wil); return 0; - bus_disable: +if_remove: + wil_if_remove(wil); +bus_disable: wil_if_pcie_disable(wil); - if_free: - wil_if_free(wil); - err_iounmap: - pci_iounmap(pdev, csr); - err_release_reg: +err_iounmap: + pci_iounmap(pdev, wil->csr); +err_release_reg: pci_release_region(pdev, 0); - err_disable_pdev: +err_disable_pdev: pci_disable_device(pdev); +err_plat: + wil_platform_ops_uninit(wil); +if_free: + wil_if_free(wil); return rc; } @@ -189,31 +473,226 @@ static void wil_pcie_remove(struct pci_dev *pdev) { struct wil6210_priv *wil = pci_get_drvdata(pdev); + void __iomem *csr = wil->csr; + + wil_dbg_misc(wil, "pcie_remove\n"); + unregister_pm_notifier(&wil->pm_notify); + + wil_pm_runtime_forbid(wil); + + wil6210_sysfs_remove(wil); wil6210_debugfs_remove(wil); - wil_if_pcie_disable(wil); + rtnl_lock(); + wil_p2p_wdev_free(wil); + wil_remove_all_additional_vifs(wil); + rtnl_unlock(); wil_if_remove(wil); - wil_if_free(wil); - pci_iounmap(pdev, wil->csr); + wil_if_pcie_disable(wil); + pci_iounmap(pdev, csr); pci_release_region(pdev, 0); pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); + wil_platform_ops_uninit(wil); + wil_if_free(wil); } -static DEFINE_PCI_DEVICE_TABLE(wil6210_pcie_ids) = { - { PCI_DEVICE(0x1ae9, 0x0301) }, +static const struct pci_device_id wil6210_pcie_ids[] = { + { PCI_DEVICE(0x1ae9, 0x0310) }, + { PCI_DEVICE(0x1ae9, 0x0302) }, /* same as above, firmware broken */ + { PCI_DEVICE(0x17cb, 0x1201) }, /* Talyn */ { /* end: all zeroes */ }, }; MODULE_DEVICE_TABLE(pci, wil6210_pcie_ids); +static int wil6210_suspend(struct device *dev, bool is_runtime) +{ + int rc = 0; + struct pci_dev *pdev = to_pci_dev(dev); + struct wil6210_priv *wil = pci_get_drvdata(pdev); + bool keep_radio_on, active_ifaces; + + wil_dbg_pm(wil, "suspend: %s\n", is_runtime ? "runtime" : "system"); + + mutex_lock(&wil->vif_mutex); + active_ifaces = wil_has_active_ifaces(wil, true, false); + mutex_unlock(&wil->vif_mutex); + keep_radio_on = active_ifaces && wil->keep_radio_on_during_sleep; + + rc = wil_can_suspend(wil, is_runtime); + if (rc) + goto out; + + rc = wil_suspend(wil, is_runtime, keep_radio_on); + if (!rc) { + /* In case radio stays on, platform device will control + * PCIe master + */ + if (!keep_radio_on) { + /* disable bus mastering */ + pci_clear_master(pdev); + wil->suspend_stats.r_off.successful_suspends++; + } else { + wil->suspend_stats.r_on.successful_suspends++; + } + } +out: + return rc; +} + +static int wil6210_resume(struct device *dev, bool is_runtime) +{ + int rc = 0; + struct pci_dev *pdev = to_pci_dev(dev); + struct wil6210_priv *wil = pci_get_drvdata(pdev); + bool keep_radio_on, active_ifaces; + + wil_dbg_pm(wil, "resume: %s\n", is_runtime ? "runtime" : "system"); + + mutex_lock(&wil->vif_mutex); + active_ifaces = wil_has_active_ifaces(wil, true, false); + mutex_unlock(&wil->vif_mutex); + keep_radio_on = active_ifaces && wil->keep_radio_on_during_sleep; + + /* In case radio stays on, platform device will control + * PCIe master + */ + if (!keep_radio_on) + /* allow master */ + pci_set_master(pdev); + rc = wil_resume(wil, is_runtime, keep_radio_on); + if (rc) { + wil_err(wil, "device failed to resume (%d)\n", rc); + if (!keep_radio_on) { + pci_clear_master(pdev); + wil->suspend_stats.r_off.failed_resumes++; + } else { + wil->suspend_stats.r_on.failed_resumes++; + } + } else { + if (keep_radio_on) + wil->suspend_stats.r_on.successful_resumes++; + else + wil->suspend_stats.r_off.successful_resumes++; + } + + return rc; +} + +static int wil6210_pm_notify(struct notifier_block *notify_block, + unsigned long mode, void *unused) +{ + struct wil6210_priv *wil = container_of( + notify_block, struct wil6210_priv, pm_notify); + int rc = 0; + enum wil_platform_event evt; + + wil_dbg_pm(wil, "pm_notify: mode (%ld)\n", mode); + + switch (mode) { + case PM_HIBERNATION_PREPARE: + case PM_SUSPEND_PREPARE: + case PM_RESTORE_PREPARE: + rc = wil_can_suspend(wil, false); + if (rc) + break; + evt = WIL_PLATFORM_EVT_PRE_SUSPEND; + if (wil->platform_ops.notify) + rc = wil->platform_ops.notify(wil->platform_handle, + evt); + break; + case PM_POST_SUSPEND: + case PM_POST_HIBERNATION: + case PM_POST_RESTORE: + evt = WIL_PLATFORM_EVT_POST_SUSPEND; + if (wil->platform_ops.notify) + rc = wil->platform_ops.notify(wil->platform_handle, + evt); + break; + default: + wil_dbg_pm(wil, "unhandled notify mode %ld\n", mode); + break; + } + + wil_dbg_pm(wil, "notification mode %ld: rc (%d)\n", mode, rc); + return rc; +} + +static int __maybe_unused wil6210_pm_suspend(struct device *dev) +{ + return wil6210_suspend(dev, false); +} + +static int __maybe_unused wil6210_pm_resume(struct device *dev) +{ + return wil6210_resume(dev, false); +} + +static int __maybe_unused wil6210_pm_runtime_idle(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct wil6210_priv *wil = pci_get_drvdata(pdev); + + wil_dbg_pm(wil, "Runtime idle\n"); + + return wil_can_suspend(wil, true); +} + +static int __maybe_unused wil6210_pm_runtime_resume(struct device *dev) +{ + return wil6210_resume(dev, true); +} + +static int __maybe_unused wil6210_pm_runtime_suspend(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct wil6210_priv *wil = pci_get_drvdata(pdev); + + if (test_bit(wil_status_suspended, wil->status)) { + wil_dbg_pm(wil, "trying to suspend while suspended\n"); + return 1; + } + + return wil6210_suspend(dev, true); +} + +static const struct dev_pm_ops wil6210_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(wil6210_pm_suspend, wil6210_pm_resume) + SET_RUNTIME_PM_OPS(wil6210_pm_runtime_suspend, + wil6210_pm_runtime_resume, + wil6210_pm_runtime_idle) +}; + static struct pci_driver wil6210_driver = { .probe = wil_pcie_probe, .remove = wil_pcie_remove, .id_table = wil6210_pcie_ids, .name = WIL_NAME, + .driver = { + .pm = &wil6210_pm_ops, + }, }; -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 ");