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ath5k: Tweak phy activate to rx start delay based on bwmode

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* Tweak phy activation -> rx delay for different bwmodes

 Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>

Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Nick Kossifidis 2010-11-23 21:44:02 +02:00 committed by John W. Linville
parent c2b0ebef26
commit b02f5d1a17
1 changed files with 7 additions and 4 deletions
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11
drivers/net/wireless/ath/ath5k/phy.c
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@ -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);
}