From 36d2943ba738a601e29cbd86fa6ab6ac838f3905 Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 10 Dec 2012 07:22:35 +0530 Subject: [PATCH] ath9k_hw: Various trivial fixes for PAPRD * 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 Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9003_paprd.c | 9 ++------- drivers/net/wireless/ath/ath9k/hw.h | 2 +- 2 files changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c index 4945fdf61bac..b28565e80785 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c @@ -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; diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 3636dabf03e1..fe87d0e67a1b 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -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);