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-rw-r--r--drivers/net/wireless/ath/ath9k/ath9k.h1
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c14
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.h1
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c3
-rw-r--r--drivers/net/wireless/ath/ath9k/pci.c17
5 files changed, 20 insertions, 16 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 0c64c801a15..0962505430e 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -545,6 +545,7 @@ struct ath_bus_ops {
void (*read_cachesize)(struct ath_softc *sc, int *csz);
void (*cleanup)(struct ath_softc *sc);
bool (*eeprom_read)(struct ath_hw *ah, u32 off, u16 *data);
+ void (*bt_coex_prep)(struct ath_softc *sc);
};
struct ath_wiphy;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 4e14c307b3d..a3b1ce32cfc 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -16,7 +16,6 @@
#include <linux/io.h>
#include <asm/unaligned.h>
-#include <linux/pci.h>
#include "hw.h"
#include "ath9k.h"
@@ -4294,16 +4293,3 @@ void ath_gen_timer_isr(struct ath_hw *ah)
timer->trigger(timer->arg);
}
}
-
-/*
- * Primitive to disable ASPM
- */
-void ath_pcie_aspm_disable(struct ath_softc *sc)
-{
- struct pci_dev *pdev = to_pci_dev(sc->dev);
- u8 aspm;
-
- 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);
-}
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index f1dc98927c4..f460a06b86a 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -679,5 +679,4 @@ u32 ath9k_hw_gettsf32(struct ath_hw *ah);
#define ATH_PCIE_CAP_LINK_L0S 1
#define ATH_PCIE_CAP_LINK_L1 2
-void ath_pcie_aspm_disable(struct ath_softc *sc);
#endif
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index dc8d47e4d0f..27ab378ae53 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2241,7 +2241,8 @@ static int ath9k_start(struct ieee80211_hw *hw)
AR_STOMP_LOW_WLAN_WGHT);
ath9k_hw_btcoex_enable(ah);
- ath_pcie_aspm_disable(sc);
+ if (sc->bus_ops->bt_coex_prep)
+ sc->bus_ops->bt_coex_prep(sc);
if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
ath9k_btcoex_timer_resume(sc);
}
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 903dd8ad9d4..f59d22491ce 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -75,10 +75,27 @@ static bool ath_pci_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
return true;
}
+/*
+ * Bluetooth coexistance requires disabling ASPM.
+ */
+static void ath_pci_bt_coex_prep(struct ath_softc *sc)
+{
+ 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);
+}
+
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)