102 lines
2.6 KiB
Diff
102 lines
2.6 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/calib.c
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+++ b/drivers/net/wireless/ath/ath9k/calib.c
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@@ -19,8 +19,7 @@
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/* Common calibration code */
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-/* We can tune this as we go by monitoring really low values */
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-#define ATH9K_NF_TOO_LOW -60
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+#define ATH9K_NF_TOO_HIGH -60
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static int16_t ath9k_hw_get_nf_hist_mid(int16_t *nfCalBuffer)
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{
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@@ -45,11 +44,35 @@ static int16_t ath9k_hw_get_nf_hist_mid(
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return nfval;
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}
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-static void ath9k_hw_update_nfcal_hist_buffer(struct ath9k_nfcal_hist *h,
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+static struct ath_nf_limits *ath9k_hw_get_nf_limits(struct ath_hw *ah,
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+ struct ath9k_channel *chan)
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+{
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+ struct ath_nf_limits *limit;
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+
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+ if (!chan || IS_CHAN_2GHZ(chan))
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+ limit = &ah->nf_2g;
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+ else
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+ limit = &ah->nf_5g;
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+
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+ return limit;
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+}
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+
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+static s16 ath9k_hw_get_default_nf(struct ath_hw *ah,
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+ struct ath9k_channel *chan)
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+{
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+ return ath9k_hw_get_nf_limits(ah, chan)->nominal;
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+}
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+
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+
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+static void ath9k_hw_update_nfcal_hist_buffer(struct ath_hw *ah,
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+ struct ath9k_nfcal_hist *h,
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int16_t *nfarray)
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{
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+ struct ath_nf_limits *limit;
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int i;
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+ limit = ath9k_hw_get_nf_limits(ah, ah->curchan);
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+
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for (i = 0; i < NUM_NF_READINGS; i++) {
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h[i].nfCalBuffer[h[i].currIndex] = nfarray[i];
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@@ -63,6 +86,9 @@ static void ath9k_hw_update_nfcal_hist_b
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h[i].privNF =
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ath9k_hw_get_nf_hist_mid(h[i].nfCalBuffer);
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}
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+
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+ if (h[i].privNF > limit->max)
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+ h[i].privNF = limit->max;
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}
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}
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@@ -104,19 +130,6 @@ void ath9k_hw_reset_calibration(struct a
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ah->cal_samples = 0;
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}
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-static s16 ath9k_hw_get_default_nf(struct ath_hw *ah,
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- struct ath9k_channel *chan)
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-{
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- struct ath_nf_limits *limit;
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-
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- if (!chan || IS_CHAN_2GHZ(chan))
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- limit = &ah->nf_2g;
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- else
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- limit = &ah->nf_5g;
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-
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- return limit->nominal;
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-}
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-
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/* This is done for the currently configured channel */
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bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
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{
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@@ -277,10 +290,10 @@ static void ath9k_hw_nf_sanitize(struct
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"NF calibrated [%s] [chain %d] is %d\n",
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(i >= 3 ? "ext" : "ctl"), i % 3, nf[i]);
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- if (nf[i] > limit->max) {
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+ if (nf[i] > ATH9K_NF_TOO_HIGH) {
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ath_print(common, ATH_DBG_CALIBRATE,
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"NF[%d] (%d) > MAX (%d), correcting to MAX",
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- i, nf[i], limit->max);
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+ i, nf[i], ATH9K_NF_TOO_HIGH);
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nf[i] = limit->max;
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} else if (nf[i] < limit->min) {
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ath_print(common, ATH_DBG_CALIBRATE,
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@@ -326,7 +339,7 @@ bool ath9k_hw_getnf(struct ath_hw *ah, s
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h = caldata->nfCalHist;
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caldata->nfcal_pending = false;
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- ath9k_hw_update_nfcal_hist_buffer(h, nfarray);
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+ ath9k_hw_update_nfcal_hist_buffer(ah, h, nfarray);
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caldata->rawNoiseFloor = h[0].privNF;
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return true;
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}
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