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ath5k: store the clock rate in common data on channel changes
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Felix Fietkau authored and John W. Linville committed Oct 11, 2010
1 parent dfdac8a commit 9d119f3
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Showing 3 changed files with 10 additions and 6 deletions.
2 changes: 1 addition & 1 deletion drivers/net/wireless/ath/ath5k/ath5k.h
Original file line number Diff line number Diff line change
Expand Up @@ -1201,7 +1201,7 @@ void ath5k_hw_set_ack_bitrate_high(struct ath5k_hw *ah, bool high);
/* Clock rate related functions */
unsigned int ath5k_hw_htoclock(struct ath5k_hw *ah, unsigned int usec);
unsigned int ath5k_hw_clocktoh(struct ath5k_hw *ah, unsigned int clock);
unsigned int ath5k_hw_get_clockrate(struct ath5k_hw *ah);
void ath5k_hw_set_clockrate(struct ath5k_hw *ah);

/* Queue Control Unit, DFS Control Unit Functions */
int ath5k_hw_get_tx_queueprops(struct ath5k_hw *ah, int queue,
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13 changes: 8 additions & 5 deletions drivers/net/wireless/ath/ath5k/pcu.c
Original file line number Diff line number Diff line change
Expand Up @@ -207,7 +207,8 @@ static int ath5k_hw_set_cts_timeout(struct ath5k_hw *ah, unsigned int timeout)
*/
unsigned int ath5k_hw_htoclock(struct ath5k_hw *ah, unsigned int usec)
{
return usec * ath5k_hw_get_clockrate(ah);
struct ath_common *common = ath5k_hw_common(ah);
return usec * common->clockrate;
}

/**
Expand All @@ -216,17 +217,19 @@ unsigned int ath5k_hw_htoclock(struct ath5k_hw *ah, unsigned int usec)
*/
unsigned int ath5k_hw_clocktoh(struct ath5k_hw *ah, unsigned int clock)
{
return clock / ath5k_hw_get_clockrate(ah);
struct ath_common *common = ath5k_hw_common(ah);
return clock / common->clockrate;
}

/**
* ath5k_hw_get_clockrate - Get the clock rate for current mode
* ath5k_hw_set_clockrate - Set common->clockrate for the current channel
*
* @ah: The &struct ath5k_hw
*/
unsigned int ath5k_hw_get_clockrate(struct ath5k_hw *ah)
void ath5k_hw_set_clockrate(struct ath5k_hw *ah)
{
struct ieee80211_channel *channel = ah->ah_current_channel;
struct ath_common *common = ath5k_hw_common(ah);
int clock;

if (channel->hw_value & CHANNEL_5GHZ)
Expand All @@ -240,7 +243,7 @@ unsigned int ath5k_hw_get_clockrate(struct ath5k_hw *ah)
if (channel->hw_value & CHANNEL_TURBO)
clock *= 2;

return clock;
common->clockrate = clock;
}

/**
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1 change: 1 addition & 0 deletions drivers/net/wireless/ath/ath5k/phy.c
Original file line number Diff line number Diff line change
Expand Up @@ -1093,6 +1093,7 @@ int ath5k_hw_channel(struct ath5k_hw *ah, struct ieee80211_channel *channel)

ah->ah_current_channel = channel;
ah->ah_turbo = channel->hw_value == CHANNEL_T ? true : false;
ath5k_hw_set_clockrate(ah);

return 0;
}
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