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ath5k: revert AHB bus support removing

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This reverts commit 093ec3c533.

AHB bus code has been removed, since we did not have support Atheros
AR231x SoC, required for building the AHB version of ath5k. Now that
support WiSoC chips added we can restore functionality back.

Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Acked-by: John W. Linville <linville@tuxdriver.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Cc: Nick Kossifidis <mickflemm@gmail.com>
Cc: "Luis R. Rodriguez" <mcgrof@do-not-panic.com>
Cc: linux-wireless@vger.kernel.org
Cc: ath5k-devel@lists.ath5k.org
Cc: Linux MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/8247/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Sergey Ryazanov
2014-10-29 03:18:48 +04:00
committed by Ralf Baechle
parent 3ed7a2a702
commit 0e5d3ab532
6 changed files with 294 additions and 3 deletions
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28
drivers/net/wireless/ath/ath5k/ath5k.h
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@@ -1647,6 +1647,32 @@ static inline struct ath_regulatory *ath5k_hw_regulatory(struct ath5k_hw *ah)
return &(ath5k_hw_common(ah)->regulatory);
}
#ifdef CONFIG_ATHEROS_AR231X
#define AR5K_AR2315_PCI_BASE ((void __iomem *)0xb0100000)
static inline void __iomem *ath5k_ahb_reg(struct ath5k_hw *ah, u16 reg)
{
/* On AR2315 and AR2317 the PCI clock domain registers
* are outside of the WMAC register space */
if (unlikely((reg >= 0x4000) && (reg < 0x5000) &&
(ah->ah_mac_srev >= AR5K_SREV_AR2315_R6)))
return AR5K_AR2315_PCI_BASE + reg;
return ah->iobase + reg;
}
static inline u32 ath5k_hw_reg_read(struct ath5k_hw *ah, u16 reg)
{
return ioread32(ath5k_ahb_reg(ah, reg));
}
static inline void ath5k_hw_reg_write(struct ath5k_hw *ah, u32 val, u16 reg)
{
iowrite32(val, ath5k_ahb_reg(ah, reg));
}
#else
static inline u32 ath5k_hw_reg_read(struct ath5k_hw *ah, u16 reg)
{
return ioread32(ah->iobase + reg);
@@ -1657,6 +1683,8 @@ static inline void ath5k_hw_reg_write(struct ath5k_hw *ah, u32 val, u16 reg)
iowrite32(val, ah->iobase + reg);
}
#endif
static inline enum ath_bus_type ath5k_get_bus_type(struct ath5k_hw *ah)
{
return ath5k_hw_common(ah)->bus_ops->ath_bus_type;