2009-01-16 16:11:57

by Sujith

[permalink] [raw]
Subject: [PATCH 1/9] ath9k: rateCodeToIndex is not used, remove it

Calculation of rate indices from ratecode is done in recv.c
in a straightforward manner for both HT and legacy rates.
This variable is not needed anymore.

Signed-off-by: Sujith <[email protected]>
---
drivers/net/wireless/ath9k/rc.c | 13 -------------
drivers/net/wireless/ath9k/rc.h | 1 -
2 files changed, 0 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
index 0686a7c..182884a 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -19,7 +19,6 @@

static struct ath_rate_table ar5416_11na_ratetable = {
42,
- {0},
{
{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
5400, 0x0b, 0x00, 12,
@@ -158,7 +157,6 @@ static struct ath_rate_table ar5416_11na_ratetable = {

static struct ath_rate_table ar5416_11ng_ratetable = {
46,
- {0},
{
{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
900, 0x1b, 0x00, 2,
@@ -306,7 +304,6 @@ static struct ath_rate_table ar5416_11ng_ratetable = {

static struct ath_rate_table ar5416_11a_ratetable = {
8,
- {0},
{
{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
5400, 0x0b, 0x00, (0x80|12),
@@ -340,7 +337,6 @@ static struct ath_rate_table ar5416_11a_ratetable = {

static struct ath_rate_table ar5416_11g_ratetable = {
12,
- {0},
{
{ VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
900, 0x1b, 0x00, 2,
@@ -386,7 +382,6 @@ static struct ath_rate_table ar5416_11g_ratetable = {

static struct ath_rate_table ar5416_11b_ratetable = {
4,
- {0},
{
{ VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
900, 0x1b, 0x00, (0x80|2),
@@ -1607,16 +1602,8 @@ static void ath_setup_rate_table(struct ath_softc *sc,
{
int i;

- for (i = 0; i < 256; i++)
- rate_table->rateCodeToIndex[i] = (u8)-1;
-
for (i = 0; i < rate_table->rate_cnt; i++) {
- u8 code = rate_table->info[i].ratecode;
u8 cix = rate_table->info[i].ctrl_rate;
- u8 sh = rate_table->info[i].short_preamble;
-
- rate_table->rateCodeToIndex[code] = i;
- rate_table->rateCodeToIndex[code | sh] = i;

rate_table->info[i].lpAckDuration =
ath9k_hw_computetxtime(sc->sc_ah, rate_table,
diff --git a/drivers/net/wireless/ath9k/rc.h b/drivers/net/wireless/ath9k/rc.h
index 97c60d1..a987cb9 100644
--- a/drivers/net/wireless/ath9k/rc.h
+++ b/drivers/net/wireless/ath9k/rc.h
@@ -90,7 +90,6 @@ struct ath_softc;
*/
struct ath_rate_table {
int rate_cnt;
- u8 rateCodeToIndex[256];
struct {
int valid;
int valid_single_stream;
--
1.6.0.3