ath9k: Remove a few redundant variables/macros
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 2c01fda..6eb2927 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -455,7 +455,7 @@
struct ieee80211_tx_rate *rates;
struct ath_tx_info_priv *tx_info_priv;
u32 max_4ms_framelen, frmlen;
- u16 aggr_limit, legacy = 0, maxampdu;
+ u16 aggr_limit, legacy = 0;
int i;
skb = bf->bf_mpdu;
@@ -490,16 +490,15 @@
if (tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE || legacy)
return 0;
- aggr_limit = min(max_4ms_framelen, (u32)ATH_AMPDU_LIMIT_DEFAULT);
+ aggr_limit = min(max_4ms_framelen, (u32)ATH_AMPDU_LIMIT_MAX);
/*
* h/w can accept aggregates upto 16 bit lengths (65535).
* The IE, however can hold upto 65536, which shows up here
* as zero. Ignore 65536 since we are constrained by hw.
*/
- maxampdu = tid->an->maxampdu;
- if (maxampdu)
- aggr_limit = min(aggr_limit, maxampdu);
+ if (tid->an->maxampdu)
+ aggr_limit = min(aggr_limit, tid->an->maxampdu);
return aggr_limit;
}
@@ -507,7 +506,6 @@
/*
* Returns the number of delimiters to be added to
* meet the minimum required mpdudensity.
- * caller should make sure that the rate is HT rate .
*/
static int ath_compute_num_delims(struct ath_softc *sc, struct ath_atx_tid *tid,
struct ath_buf *bf, u16 frmlen)
@@ -515,7 +513,7 @@
const struct ath_rate_table *rt = sc->cur_rate_table;
struct sk_buff *skb = bf->bf_mpdu;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- u32 nsymbits, nsymbols, mpdudensity;
+ u32 nsymbits, nsymbols;
u16 minlen;
u8 rc, flags, rix;
int width, half_gi, ndelim, mindelim;
@@ -537,14 +535,12 @@
* on highest rate in rate series (i.e. first rate) to determine
* required minimum length for subframe. Take into account
* whether high rate is 20 or 40Mhz and half or full GI.
- */
- mpdudensity = tid->an->mpdudensity;
-
- /*
+ *
* If there is no mpdu density restriction, no further calculation
* is needed.
*/
- if (mpdudensity == 0)
+
+ if (tid->an->mpdudensity == 0)
return ndelim;
rix = tx_info->control.rates[0].idx;
@@ -554,9 +550,9 @@
half_gi = (flags & IEEE80211_TX_RC_SHORT_GI) ? 1 : 0;
if (half_gi)
- nsymbols = NUM_SYMBOLS_PER_USEC_HALFGI(mpdudensity);
+ nsymbols = NUM_SYMBOLS_PER_USEC_HALFGI(tid->an->mpdudensity);
else
- nsymbols = NUM_SYMBOLS_PER_USEC(mpdudensity);
+ nsymbols = NUM_SYMBOLS_PER_USEC(tid->an->mpdudensity);
if (nsymbols == 0)
nsymbols = 1;