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path: root/drivers/net/wireless/ath/ath9k/pci.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/pci.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/pci.c47
1 files changed, 33 insertions, 14 deletions
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 903dd8ad9d43..5321f735e5a0 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -31,8 +31,9 @@ static struct pci_device_id ath_pci_id_table[] __devinitdata = {
};
/* return bus cachesize in 4B word units */
-static void ath_pci_read_cachesize(struct ath_softc *sc, int *csz)
+static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
{
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
u8 u8tmp;
pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
@@ -48,8 +49,9 @@ static void ath_pci_read_cachesize(struct ath_softc *sc, int *csz)
*csz = DEFAULT_CACHELINE >> 2; /* Use the default size */
}
-static void ath_pci_cleanup(struct ath_softc *sc)
+static void ath_pci_cleanup(struct ath_common *common)
{
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
struct pci_dev *pdev = to_pci_dev(sc->dev);
pci_iounmap(pdev, sc->mem);
@@ -57,9 +59,11 @@ static void ath_pci_cleanup(struct ath_softc *sc)
pci_release_region(pdev, 0);
}
-static bool ath_pci_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
+static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
{
- (void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
+ struct ath_hw *ah = (struct ath_hw *) common->ah;
+
+ common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
if (!ath9k_hw_wait(ah,
AR_EEPROM_STATUS_DATA,
@@ -69,16 +73,34 @@ static bool ath_pci_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
return false;
}
- *data = MS(REG_READ(ah, AR_EEPROM_STATUS_DATA),
+ *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
AR_EEPROM_STATUS_DATA_VAL);
return true;
}
-static struct ath_bus_ops ath_pci_bus_ops = {
+/*
+ * Bluetooth coexistance requires disabling ASPM.
+ */
+static void ath_pci_bt_coex_prep(struct ath_common *common)
+{
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
+ struct pci_dev *pdev = to_pci_dev(sc->dev);
+ u8 aspm;
+
+ if (!pdev->is_pcie)
+ return;
+
+ pci_read_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, &aspm);
+ aspm &= ~(ATH_PCIE_CAP_LINK_L0S | ATH_PCIE_CAP_LINK_L1);
+ pci_write_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, aspm);
+}
+
+const static struct ath_bus_ops ath_pci_bus_ops = {
.read_cachesize = ath_pci_read_cachesize,
.cleanup = ath_pci_cleanup,
.eeprom_read = ath_pci_eeprom_read,
+ .bt_coex_prep = ath_pci_bt_coex_prep,
};
static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
@@ -92,6 +114,7 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
u32 val;
int ret = 0;
struct ath_hw *ah;
+ char hw_name[64];
if (pci_enable_device(pdev))
return -EIO;
@@ -177,10 +200,9 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
sc->hw = hw;
sc->dev = &pdev->dev;
sc->mem = mem;
- sc->bus_ops = &ath_pci_bus_ops;
pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &subsysid);
- ret = ath_init_device(id->device, sc, subsysid);
+ ret = ath_init_device(id->device, sc, subsysid, &ath_pci_bus_ops);
if (ret) {
dev_err(&pdev->dev, "failed to initialize device\n");
goto bad3;
@@ -197,14 +219,11 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
sc->irq = pdev->irq;
ah = sc->sc_ah;
+ ath9k_hw_name(ah, hw_name, sizeof(hw_name));
printk(KERN_INFO
- "%s: Atheros AR%s MAC/BB Rev:%x "
- "AR%s RF Rev:%x: mem=0x%lx, irq=%d\n",
+ "%s: %s mem=0x%lx, irq=%d\n",
wiphy_name(hw->wiphy),
- ath_mac_bb_name(ah->hw_version.macVersion),
- ah->hw_version.macRev,
- ath_rf_name((ah->hw_version.analog5GhzRev & AR_RADIO_SREV_MAJOR)),
- ah->hw_version.phyRev,
+ hw_name,
(unsigned long)mem, pdev->irq);
return 0;