* Tweak phy activation -> rx delay for different bwmodes
Signed-off-by: Nick Kossifidis <mickfl...@gmail.com>
---
drivers/net/wireless/ath/ath5k/phy.c | 11 +++++++----
1 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/ath/ath5k/phy.c
b/drivers/net/wireless/ath/ath5k/phy.c
index 1b6fcf9..8790f0a 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -3356,8 +3356,6 @@ int ath5k_hw_phy_init(struct ath5k_hw *ah, struct
ieee80211_channel *channel,
/*
* On 5211+ read activation -> rx delay
* and use it.
- *
- * TODO: Half/quarter rate support
*/
if (ah->ah_version != AR5K_AR5210) {
u32 delay;
@@ -3365,8 +3363,13 @@ int ath5k_hw_phy_init(struct ath5k_hw *ah, struct
ieee80211_channel *channel,
AR5K_PHY_RX_DELAY_M;
delay = (channel->hw_value & CHANNEL_CCK) ?
((delay << 2) / 22) : (delay / 10);
-
- udelay(100 + (2 * delay));
+ if (ah->ah_bwmode == AR5K_BWMODE_10MHZ)
+ delay = delay << 1;
+ if (ah->ah_bwmode == AR5K_BWMODE_5MHZ)
+ delay = delay << 2;
+ /* XXX: /2 on turbo ? Let's be safe
+ * for now */
+ udelay(100 + delay);
} else {
mdelay(1);
}
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