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ath9k: Fix BTCOEX timer triggering comparision 

Its more correct to convert btcoex_period to 'us' while
comparing with btcoex_no_stomp which is in 'us'.
Did not find any functionality issues being fixed,
as the generic hardware timer triggers are usually
refreshed with the newer duty cycle.

Cc: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Mohammed Shafi Shajakhan 2012-09-04 19:33:33 +05:30 committed by John W. Linville
parent 90be994cd0
commit 94ae77ea46
2 changed files with 7 additions and 2 deletions
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2
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -473,7 +473,7 @@ struct ath_btcoex {
unsigned long op_flags;
int bt_stomp_type; /* Types of BT stomping */
u32 btcoex_no_stomp; /* in usec */
u32 btcoex_period; /* in usec */
u32 btcoex_period; /* in msec */
u32 btscan_no_stomp; /* in usec */
u32 duty_cycle;
u32 bt_wait_time;

7
drivers/net/wireless/ath/ath9k/gpio.c
View File

@ -228,7 +228,12 @@ static void ath_btcoex_period_timer(unsigned long data)
ath9k_hw_btcoex_enable(ah);
spin_unlock_bh(&btcoex->btcoex_lock);
if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) {
/*
* btcoex_period is in msec while (btocex/btscan_)no_stomp are in usec,
* ensure that we properly convert btcoex_period to usec
* for any comparision with (btcoex/btscan_)no_stomp.
*/
if (btcoex->btcoex_period * 1000 != btcoex->btcoex_no_stomp) {
if (btcoex->hw_timer_enabled)
ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);