[PATCH 05/21] ath9k: remove unused min rate calculation code

Luis R. Rodriguez
2009-07-15T00:14:29Z

This is not used, and when we need to get the lowest rate
we should simply use mac80211's own rate_lowest_index(sband, sta).

Cc: Derek Smithies <derek@indranet.co.nz>
Cc: Chittajit Mitra <Chittajit.Mitra@Atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
---
drivers/net/wireless/ath/ath9k/rc.c | 33 +++++++++------------------------
1 files changed, 9 insertions(+), 24 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index a23b66b..7b37b27 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -817,28 +817,17 @@ static void ath_rc_rate_set_rtscts(struct ath_softc *sc,
static u8 ath_rc_rate_getidx(struct ath_softc *sc,
struct ath_rate_priv *ath_rc_priv,
const struct ath_rate_table *rate_table,
- u8 rix, u16 stepdown,
- u16 min_rate)
+ u8 rix, u16 stepdown)
{
u32 j;
u8 nextindex = 0;

- if (min_rate) {
- for (j = RATE_TABLE_SIZE; j > 0; j--) {
- if (ath_rc_get_nextlowervalid_txrate(rate_table,
- ath_rc_priv, rix, &nextindex))
- rix = nextindex;
- else
- break;
- }
- } else {
- for (j = stepdown; j > 0; j--) {
- if (ath_rc_get_nextlowervalid_txrate(rate_table,
- ath_rc_priv, rix, &nextindex))
- rix = nextindex;
- else
- break;
- }
+ for (j = stepdown; j > 0; j--) {
+ if (ath_rc_get_nextlowervalid_txrate(rate_table,
+ ath_rc_priv, rix, &nextindex))
+ rix = nextindex;
+ else
+ break;
}
return rix;
}
@@ -882,7 +871,7 @@ static void ath_rc_ratefind(struct ath_softc *sc,
* after the probe rate
*/
nrix = ath_rc_rate_getidx(sc, ath_rc_priv,
- rate_table, nrix, 1, 0);
+ rate_table, nrix, 1);
ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
try_per_rate, nrix, 0);

@@ -895,16 +884,12 @@ static void ath_rc_ratefind(struct ath_softc *sc,

/* Fill in the other rates for multirate retry */
for ( ; i < 4; i++) {
- u8 min_rate;
-
/* Use twice the number of tries for the last MRR segment. */
if (i + 1 == 4)
try_per_rate = 4;

- min_rate = (((i + 1) == 4) && 0);
-
nrix = ath_rc_rate_getidx(sc, ath_rc_priv,
- rate_table, nrix, 1, min_rate);
+ rate_table, nrix, 1);
/* All other rates in the series have RTS enabled */
ath_rc_rate_set_series(rate_table, &rates[i], txrc,
try_per_rate, nrix, 1);
--
1.6.0.6