From: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
Add a HW capability to indicate whether PAPRD is enabled
for the card, since PAPRD could be enabled in the EEPROM, but
disabled in the driver. This makes things clearer.
Signed-off-by: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 8 ++------
drivers/net/wireless/ath/ath9k/ar9003_paprd.c | 9 +++++++++
drivers/net/wireless/ath/ath9k/hw.c | 11 +++++++++++
drivers/net/wireless/ath/ath9k/hw.h | 2 ++
drivers/net/wireless/ath/ath9k/link.c | 2 +-
5 files changed, 25 insertions(+), 7 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 0f38895..11082b4 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -2987,10 +2987,6 @@ static u32 ath9k_hw_ar9300_get_eeprom(struct ath_hw *ah,
case EEP_RX_MASK:
return pBase->txrxMask & 0xf;
case EEP_PAPRD:
- if (AR_SREV_9462(ah))
- return false;
- if (!ah->config.enable_paprd)
- return false;
return !!(pBase->featureEnable & BIT(5));
case EEP_CHAIN_MASK_REDUCE:
return (pBase->miscConfiguration >> 0x3) & 0x1;
@@ -5124,7 +5120,7 @@ static void ath9k_hw_ar9300_set_txpower(struct ath_hw *ah,
*/
ar9003_hw_get_target_power_eeprom(ah, chan, targetPowerValT2);
- if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD)) {
+ if (ar9003_is_paprd_enabled(ah)) {
if (IS_CHAN_2GHZ(chan))
modal_hdr = &eep->modalHeader2G;
else
@@ -5165,7 +5161,7 @@ static void ath9k_hw_ar9300_set_txpower(struct ath_hw *ah,
twiceAntennaReduction,
powerLimit);
- if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD)) {
+ if (ar9003_is_paprd_enabled(ah)) {
for (i = 0; i < ar9300RateSize; i++) {
if ((ah->paprd_ratemask & (1 << i)) &&
(abs(targetPowerValT2[i] -
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
index 548b451..1255b6a 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
@@ -999,3 +999,12 @@ exit:
return !!paprd_done;
}
EXPORT_SYMBOL(ar9003_paprd_is_done);
+
+bool ar9003_is_paprd_enabled(struct ath_hw *ah)
+{
+ if ((ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->config.enable_paprd)
+ return true;
+
+ return false;
+}
+EXPORT_SYMBOL(ar9003_is_paprd_enabled);
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index e06bcec..6af86ad 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2599,6 +2599,17 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
pCap->hw_caps |= ATH9K_HW_WOW_PATTERN_MATCH_DWORD;
}
+ if (AR_SREV_9300_20_OR_LATER(ah) &&
+ ah->eep_ops->get_eeprom(ah, EEP_PAPRD)) {
+ pCap->hw_caps |= ATH9K_HW_CAP_PAPRD;
+
+ /* Enable PAPRD for these chips. */
+ if (AR_SREV_9485(ah) ||
+ AR_SREV_9462(ah) ||
+ AR_SREV_9565(ah))
+ ah->config.enable_paprd = 1;
+ }
+
return 0;
}
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index fe87d0e..eff6759 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -247,6 +247,7 @@ enum ath9k_hw_caps {
ATH9K_HW_WOW_DEVICE_CAPABLE = BIT(17),
ATH9K_HW_WOW_PATTERN_MATCH_EXACT = BIT(18),
ATH9K_HW_WOW_PATTERN_MATCH_DWORD = BIT(19),
+ ATH9K_HW_CAP_PAPRD = BIT(20),
};
/*
@@ -1061,6 +1062,7 @@ int ar9003_paprd_create_curve(struct ath_hw *ah,
void ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain);
int ar9003_paprd_init_table(struct ath_hw *ah);
bool ar9003_paprd_is_done(struct ath_hw *ah);
+bool ar9003_is_paprd_enabled(struct ath_hw *ah);
/* Hardware family op attach helpers */
void ar5008_hw_attach_phy_ops(struct ath_hw *ah);
diff --git a/drivers/net/wireless/ath/ath9k/link.c b/drivers/net/wireless/ath/ath9k/link.c
index c70b31a..ade3afb 100644
--- a/drivers/net/wireless/ath/ath9k/link.c
+++ b/drivers/net/wireless/ath/ath9k/link.c
@@ -435,7 +435,7 @@ set_timer:
mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
- if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD) && ah->caldata) {
+ if (ar9003_is_paprd_enabled(ah) && ah->caldata) {
if (!ah->caldata->paprd_done) {
ieee80211_queue_work(sc->hw, &sc->paprd_work);
} else if (!ah->paprd_table_write_done) {
--
1.8.0.1
--
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