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ath9k_hw: Various trivial fixes for PAPRD

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* Remove unneeded memset.

  All the values in the PAPRD gain table are filled, so there
  is no need to zero out the arrays.

* Use GFP_KERNEL in ar9003_paprd_create_curve

  This is called from the PAPRD work, so the atomic variant
  is not needed.

* Change return type of ar9003_paprd_setup_gain_table

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2012-12-10 07:22:35 +05:30 committed by John W. Linville
parent 19f7842240
commit 36d2943ba7
2 changed files with 3 additions and 8 deletions
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9
drivers/net/wireless/ath/ath9k/ar9003_paprd.c
View File

@ -287,9 +287,6 @@ static void ar9003_paprd_get_gain_table(struct ath_hw *ah)
u32 reg = AR_PHY_TXGAIN_TABLE;
int i;
memset(entry, 0, sizeof(ah->paprd_gain_table_entries));
memset(index, 0, sizeof(ah->paprd_gain_table_index));
for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) {
entry[i] = REG_READ(ah, reg);
index[i] = (entry[i] >> 24) & 0xff;
@ -788,7 +785,7 @@ void ar9003_paprd_populate_single_table(struct ath_hw *ah,
}
EXPORT_SYMBOL(ar9003_paprd_populate_single_table);
int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain)
void ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain)
{
unsigned int i, desired_gain, gain_index;
unsigned int train_power = ah->paprd_training_power;
@ -806,8 +803,6 @@ int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain)
REG_CLR_BIT(ah, AR_PHY_PAPRD_TRAINER_STAT1,
AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
return 0;
}
EXPORT_SYMBOL(ar9003_paprd_setup_gain_table);
@ -919,7 +914,7 @@ int ar9003_paprd_create_curve(struct ath_hw *ah,
memset(caldata->pa_table[chain], 0, sizeof(caldata->pa_table[chain]));
buf = kmalloc(2 * 48 * sizeof(u32), GFP_ATOMIC);
buf = kmalloc(2 * 48 * sizeof(u32), GFP_KERNEL);
if (!buf)
return -ENOMEM;

2
drivers/net/wireless/ath/ath9k/hw.h
View File

@ -1058,7 +1058,7 @@ void ar9003_paprd_populate_single_table(struct ath_hw *ah,
int chain);
int ar9003_paprd_create_curve(struct ath_hw *ah,
struct ath9k_hw_cal_data *caldata, int chain);
int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain);
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);