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path: root/drivers/net/wireless/ath/ath9k/hw.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c32
1 files changed, 0 insertions, 32 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index a3b1ce32cfc..0ad25987d85 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -81,38 +81,6 @@ static u32 ath9k_hw_mac_to_clks(struct ath_hw *ah, u32 usecs)
return ath9k_hw_mac_clks(ah, usecs);
}
-/*
- * Read and write, they both share the same lock. We do this to serialize
- * reads and writes on Atheros 802.11n PCI devices only. This is required
- * as the FIFO on these devices can only accept sanely 2 requests. After
- * that the device goes bananas. Serializing the reads/writes prevents this
- * from happening.
- */
-
-void ath9k_iowrite32(struct ath_hw *ah, u32 reg_offset, u32 val)
-{
- if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
- unsigned long flags;
- spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
- iowrite32(val, ah->ah_sc->mem + reg_offset);
- spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
- } else
- iowrite32(val, ah->ah_sc->mem + reg_offset);
-}
-
-unsigned int ath9k_ioread32(struct ath_hw *ah, u32 reg_offset)
-{
- u32 val;
- if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
- unsigned long flags;
- spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
- val = ioread32(ah->ah_sc->mem + reg_offset);
- spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
- } else
- val = ioread32(ah->ah_sc->mem + reg_offset);
- return val;
-}
-
bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout)
{
int i;