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Internal NF calibration should not occur in parallel with any other

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calibration. Ensure that the NF calibration completes before continuing
with the rest of the calibration setup process.
This commit is contained in:
adrian 2010-08-12 06:08:36 +00:00
parent 2666ce6d51
commit 6a989e2e78
1 changed files with 12 additions and 1 deletions
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13
sys/dev/ath/ath_hal/ar5416/ar5416_cal.c
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@ -24,6 +24,8 @@
#include "ah_eeprom_v14.h"
#include "ar5212/ar5212.h" /* for NF cal related declarations */
#include "ar5416/ar5416.h"
#include "ar5416/ar5416reg.h"
#include "ar5416/ar5416phy.h"
@ -220,7 +222,16 @@ ar5416InitCal(struct ath_hal *ah, const struct ieee80211_channel *chan)
* triggered at the same time.
*/
OS_REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
/*
* Try to make sure the above NF cal completes, just so
* it doesn't clash with subsequent percals -adrian
*/
if (! ar5212WaitNFCalComplete(ah, 10000)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: initial NF calibration did "
"not complete in time; noisy environment?\n", __func__);
return AH_FALSE;
}
/* Initialize list pointers */
cal->cal_list = cal->cal_last = cal->cal_curr = AH_NULL;