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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-05-01 08:47:44 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-05-01 08:47:44 -0700 |
commit | bf61c8840efe60fd8f91446860b63338fb424158 (patch) | |
tree | 7a71832407a4f0d6346db773343f4c3ae2257b19 /drivers/net/wireless/ath/ath9k/pci.c | |
parent | 5846115b30f3a881e542c8bfde59a699c1c13740 (diff) | |
parent | 0c6a61657da78098472fd0eb71cc01f2387fa1bb (diff) |
Merge branch 'next' into for-linus
Prepare first set of updates for 3.10 merge window.
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/pci.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/pci.c | 74 |
1 files changed, 16 insertions, 58 deletions
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c index f088f4bf9a26..0e0d39583837 100644 --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -96,17 +96,6 @@ static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data) return true; } -static void ath_pci_extn_synch_enable(struct ath_common *common) -{ - struct ath_softc *sc = (struct ath_softc *) common->priv; - struct pci_dev *pdev = to_pci_dev(sc->dev); - u8 lnkctl; - - pci_read_config_byte(pdev, sc->sc_ah->caps.pcie_lcr_offset, &lnkctl); - lnkctl |= PCI_EXP_LNKCTL_ES; - pci_write_config_byte(pdev, sc->sc_ah->caps.pcie_lcr_offset, lnkctl); -} - /* Need to be called after we discover btcoex capabilities */ static void ath_pci_aspm_init(struct ath_common *common) { @@ -125,23 +114,23 @@ static void ath_pci_aspm_init(struct ath_common *common) if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) && (AR_SREV_9285(ah))) { - /* Bluetooth coexistance requires disabling ASPM. */ + /* Bluetooth coexistence requires disabling ASPM. */ pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL, - PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1); + PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1); /* * Both upstream and downstream PCIe components should * have the same ASPM settings. */ pcie_capability_clear_word(parent, PCI_EXP_LNKCTL, - PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1); + PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1); ath_info(common, "Disabling ASPM since BTCOEX is enabled\n"); return; } pcie_capability_read_word(parent, PCI_EXP_LNKCTL, &aspm); - if (aspm & (PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1)) { + if (aspm & (PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1)) { ah->aspm_enabled = true; /* Initialize PCIe PM and SERDES registers. */ ath9k_hw_configpcipowersave(ah, false); @@ -153,13 +142,11 @@ static const struct ath_bus_ops ath_pci_bus_ops = { .ath_bus_type = ATH_PCI, .read_cachesize = ath_pci_read_cachesize, .eeprom_read = ath_pci_eeprom_read, - .extn_synch_en = ath_pci_extn_synch_enable, .aspm_init = ath_pci_aspm_init, }; static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { - void __iomem *mem; struct ath_softc *sc; struct ieee80211_hw *hw; u8 csz; @@ -167,19 +154,19 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) int ret = 0; char hw_name[64]; - if (pci_enable_device(pdev)) + if (pcim_enable_device(pdev)) return -EIO; ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); if (ret) { pr_err("32-bit DMA not available\n"); - goto err_dma; + return ret; } ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); if (ret) { pr_err("32-bit DMA consistent DMA enable failed\n"); - goto err_dma; + return ret; } /* @@ -215,25 +202,16 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) if ((val & 0x0000ff00) != 0) pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); - ret = pci_request_region(pdev, 0, "ath9k"); + ret = pcim_iomap_regions(pdev, BIT(0), "ath9k"); if (ret) { dev_err(&pdev->dev, "PCI memory region reserve error\n"); - ret = -ENODEV; - goto err_region; - } - - mem = pci_iomap(pdev, 0, 0); - if (!mem) { - pr_err("PCI memory map error\n") ; - ret = -EIO; - goto err_iomap; + return -ENODEV; } hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops); if (!hw) { dev_err(&pdev->dev, "No memory for ieee80211_hw\n"); - ret = -ENOMEM; - goto err_alloc_hw; + return -ENOMEM; } SET_IEEE80211_DEV(hw, &pdev->dev); @@ -242,7 +220,7 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) sc = hw->priv; sc->hw = hw; sc->dev = &pdev->dev; - sc->mem = mem; + sc->mem = pcim_iomap_table(pdev)[0]; /* Will be cleared in ath9k_start() */ set_bit(SC_OP_INVALID, &sc->sc_flags); @@ -263,7 +241,7 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name)); wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n", - hw_name, (unsigned long)mem, pdev->irq); + hw_name, (unsigned long)sc->mem, pdev->irq); return 0; @@ -271,14 +249,6 @@ err_init: free_irq(sc->irq, sc); err_irq: ieee80211_free_hw(hw); -err_alloc_hw: - pci_iounmap(pdev, mem); -err_iomap: - pci_release_region(pdev, 0); -err_region: - /* Nothing */ -err_dma: - pci_disable_device(pdev); return ret; } @@ -286,20 +256,15 @@ static void ath_pci_remove(struct pci_dev *pdev) { struct ieee80211_hw *hw = pci_get_drvdata(pdev); struct ath_softc *sc = hw->priv; - void __iomem *mem = sc->mem; if (!is_ath9k_unloaded) sc->sc_ah->ah_flags |= AH_UNPLUGGED; ath9k_deinit_device(sc); free_irq(sc->irq, sc); ieee80211_free_hw(sc->hw); - - pci_iounmap(pdev, mem); - pci_disable_device(pdev); - pci_release_region(pdev, 0); } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int ath_pci_suspend(struct device *device) { @@ -345,22 +310,15 @@ static int ath_pci_resume(struct device *device) return 0; } -static const struct dev_pm_ops ath9k_pm_ops = { - .suspend = ath_pci_suspend, - .resume = ath_pci_resume, - .freeze = ath_pci_suspend, - .thaw = ath_pci_resume, - .poweroff = ath_pci_suspend, - .restore = ath_pci_resume, -}; +static SIMPLE_DEV_PM_OPS(ath9k_pm_ops, ath_pci_suspend, ath_pci_resume); #define ATH9K_PM_OPS (&ath9k_pm_ops) -#else /* !CONFIG_PM */ +#else /* !CONFIG_PM_SLEEP */ #define ATH9K_PM_OPS NULL -#endif /* !CONFIG_PM */ +#endif /* !CONFIG_PM_SLEEP */ MODULE_DEVICE_TABLE(pci, ath_pci_id_table); 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