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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2013-05-01 08:47:44 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2013-05-01 08:47:44 -0700
commitbf61c8840efe60fd8f91446860b63338fb424158 (patch)
tree7a71832407a4f0d6346db773343f4c3ae2257b19 /drivers/net/wireless/ath/ath9k/pci.c
parent5846115b30f3a881e542c8bfde59a699c1c13740 (diff)
parent0c6a61657da78098472fd0eb71cc01f2387fa1bb (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.c74
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);