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ath9k_hw: simplify ar9003_hw_per_calibration

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Reduce indentation, use a variable to save a few pointer dereferences

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Felix Fietkau
2016-07-11 12:02:46 +02:00
committed by Kalle Valo
parent 3ff25093cb
commit 8f778c72ac
1 changed files with 26 additions and 27 deletions
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53
drivers/net/wireless/ath/ath9k/ar9003_calib.c
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@@ -75,50 +75,49 @@ static bool ar9003_hw_per_calibration(struct ath_hw *ah,
struct ath9k_cal_list *currCal)
{
struct ath9k_hw_cal_data *caldata = ah->caldata;
/* Cal is assumed not done until explicitly set below */
bool iscaldone = false;
const struct ath9k_percal_data *cur_caldata = currCal->calData;
/* Calibration in progress. */
if (currCal->calState == CAL_RUNNING) {
/* Check to see if it has finished. */
if (!(REG_READ(ah, AR_PHY_TIMING4) & AR_PHY_TIMING4_DO_CAL)) {
if (REG_READ(ah, AR_PHY_TIMING4) & AR_PHY_TIMING4_DO_CAL)
return false;
/*
* Accumulate cal measures for active chains
*/
cur_caldata->calCollect(ah);
ah->cal_samples++;
if (ah->cal_samples >= cur_caldata->calNumSamples) {
unsigned int i, numChains = 0;
for (i = 0; i < AR9300_MAX_CHAINS; i++) {
if (rxchainmask & (1 << i))
numChains++;
}
/*
* Accumulate cal measures for active chains
* Process accumulated data
*/
currCal->calData->calCollect(ah);
ah->cal_samples++;
cur_caldata->calPostProc(ah, numChains);
if (ah->cal_samples >=
currCal->calData->calNumSamples) {
unsigned int i, numChains = 0;
for (i = 0; i < AR9300_MAX_CHAINS; i++) {
if (rxchainmask & (1 << i))
numChains++;
}
/*
* Process accumulated data
*/
currCal->calData->calPostProc(ah, numChains);
/* Calibration has finished. */
caldata->CalValid |= currCal->calData->calType;
currCal->calState = CAL_DONE;
iscaldone = true;
} else {
/* Calibration has finished. */
caldata->CalValid |= cur_caldata->calType;
currCal->calState = CAL_DONE;
return true;
} else {
/*
* Set-up collection of another sub-sample until we
* get desired number
*/
ar9003_hw_setup_calibration(ah, currCal);
}
}
} else if (!(caldata->CalValid & currCal->calData->calType)) {
} else if (!(caldata->CalValid & cur_caldata->calType)) {
/* If current cal is marked invalid in channel, kick it off */
ath9k_hw_reset_calibration(ah, currCal);
}
return iscaldone;
return false;
}
static int ar9003_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,