diff options
| author | Sujith <Sujith.Manoharan@atheros.com> | 2010-03-17 14:25:23 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-03-23 16:50:16 -0400 |
| commit | 05020d236e91ddab1cb42483843a8995b3be1adf (patch) | |
| tree | c64c9ffc8facd2a31bb28392ba4a3d226239368f | |
| parent | 25e2ab17fd77e752597050980cec4efae7f87854 (diff) | |
| download | blackbird-op-linux-05020d236e91ddab1cb42483843a8995b3be1adf.tar.gz blackbird-op-linux-05020d236e91ddab1cb42483843a8995b3be1adf.zip | |
ath9k_hw: add HTC init hardware call for special resets for AR9271
AR9271 needs a full reset only upon the first reset, add
a call for the driver to enable these special resets. We
can optimize this out later without an export.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 12 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.h | 3 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 5bc5f5fdff57..05aeb511c686 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1951,6 +1951,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, ath9k_hw_mark_phy_inactive(ah); + /* Only required on the first reset */ if (AR_SREV_9271(ah) && ah->htc_reset_init) { REG_WRITE(ah, AR9271_RESET_POWER_DOWN_CONTROL, @@ -1963,6 +1964,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, return -EINVAL; } + /* Only required on the first reset */ if (AR_SREV_9271(ah) && ah->htc_reset_init) { ah->htc_reset_init = false; REG_WRITE(ah, @@ -3857,6 +3859,16 @@ void ath_gen_timer_isr(struct ath_hw *ah) } EXPORT_SYMBOL(ath_gen_timer_isr); +/********/ +/* HTC */ +/********/ + +void ath9k_hw_htc_resetinit(struct ath_hw *ah) +{ + ah->htc_reset_init = true; +} +EXPORT_SYMBOL(ath9k_hw_htc_resetinit); + static struct { u32 version; const char * name; diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index e63edfb91590..6b03e1688b22 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -707,6 +707,9 @@ u32 ath9k_hw_gettsf32(struct ath_hw *ah); void ath9k_hw_name(struct ath_hw *ah, char *hw_name, size_t len); +/* HTC */ +void ath9k_hw_htc_resetinit(struct ath_hw *ah); + #define ATH_PCIE_CAP_LINK_CTRL 0x70 #define ATH_PCIE_CAP_LINK_L0S 1 #define ATH_PCIE_CAP_LINK_L1 2 |
