88 lines
2.5 KiB
Diff
88 lines
2.5 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Mon, 11 Jul 2016 11:34:47 +0200
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Subject: [PATCH] ath9k_hw: simplify ar9003_hw_per_calibration
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Reduce indentation, use a variable to save a few pointer dereferences
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
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+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
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@@ -75,50 +75,49 @@ static bool ar9003_hw_per_calibration(st
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struct ath9k_cal_list *currCal)
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{
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struct ath9k_hw_cal_data *caldata = ah->caldata;
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- /* Cal is assumed not done until explicitly set below */
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- bool iscaldone = false;
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+ const struct ath9k_percal_data *cur_caldata = currCal->calData;
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/* Calibration in progress. */
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if (currCal->calState == CAL_RUNNING) {
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/* Check to see if it has finished. */
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- if (!(REG_READ(ah, AR_PHY_TIMING4) & AR_PHY_TIMING4_DO_CAL)) {
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- /*
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- * Accumulate cal measures for active chains
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- */
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- currCal->calData->calCollect(ah);
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- ah->cal_samples++;
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+ if (REG_READ(ah, AR_PHY_TIMING4) & AR_PHY_TIMING4_DO_CAL)
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+ return false;
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- if (ah->cal_samples >=
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- currCal->calData->calNumSamples) {
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- unsigned int i, numChains = 0;
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- for (i = 0; i < AR9300_MAX_CHAINS; i++) {
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- if (rxchainmask & (1 << i))
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- numChains++;
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- }
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+ /*
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+ * Accumulate cal measures for active chains
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+ */
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+ cur_caldata->calCollect(ah);
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+ ah->cal_samples++;
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- /*
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- * Process accumulated data
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- */
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- currCal->calData->calPostProc(ah, numChains);
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+ if (ah->cal_samples >= cur_caldata->calNumSamples) {
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+ unsigned int i, numChains = 0;
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+ for (i = 0; i < AR9300_MAX_CHAINS; i++) {
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+ if (rxchainmask & (1 << i))
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+ numChains++;
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+ }
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- /* Calibration has finished. */
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- caldata->CalValid |= currCal->calData->calType;
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- currCal->calState = CAL_DONE;
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- iscaldone = true;
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- } else {
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+ /*
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+ * Process accumulated data
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+ */
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+ cur_caldata->calPostProc(ah, numChains);
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+
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+ /* Calibration has finished. */
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+ caldata->CalValid |= cur_caldata->calType;
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+ currCal->calState = CAL_DONE;
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+ return true;
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+ } else {
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/*
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* Set-up collection of another sub-sample until we
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* get desired number
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*/
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ar9003_hw_setup_calibration(ah, currCal);
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- }
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}
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- } else if (!(caldata->CalValid & currCal->calData->calType)) {
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+ } else if (!(caldata->CalValid & cur_caldata->calType)) {
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/* If current cal is marked invalid in channel, kick it off */
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ath9k_hw_reset_calibration(ah, currCal);
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}
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- return iscaldone;
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+ return false;
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}
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static int ar9003_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
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