diff options
author | Gabor Juhos <juhosg@openwrt.org> | 2009-04-29 13:01:58 +0200 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2009-05-06 15:14:52 -0400 |
commit | fb4a3d35a26aa8ef5049f10666e6a163b4c32855 (patch) | |
tree | 6222a7edae518828d92584e63a904de1c2dfe922 | |
parent | 5cff20e6c5a6591a79d3b027af222870f52bb550 (diff) | |
download | kernel_samsung_smdk4412-fb4a3d35a26aa8ef5049f10666e6a163b4c32855.zip kernel_samsung_smdk4412-fb4a3d35a26aa8ef5049f10666e6a163b4c32855.tar.gz kernel_samsung_smdk4412-fb4a3d35a26aa8ef5049f10666e6a163b4c32855.tar.bz2 |
ath9k: uninline ath9k_io{read,write}32 routines
The spin_lock handling uses lots of instructions on some archs.
With this patch the size of the ath9k module will be significantly
smaller.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 33 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 32 |
2 files changed, 34 insertions, 31 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index d5084dd..90b6314 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -697,36 +697,7 @@ void ath9k_wiphy_pause_all_forced(struct ath_softc *sc, bool ath9k_wiphy_scanning(struct ath_softc *sc); void ath9k_wiphy_work(struct work_struct *work); -/* - * 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. - */ - -static inline 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); -} - -static inline 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; -} +void ath9k_iowrite32(struct ath_hw *ah, u32 reg_offset, u32 val); +unsigned int ath9k_ioread32(struct ath_hw *ah, u32 reg_offset); #endif /* ATH9K_H */ diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index ec2a7a40..02f4015 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -84,6 +84,38 @@ 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; |