[PATCH 05/11] staging: rtl8192e: Remove variable modulation as it is constant
From: Philipp Hortmann
Date: Sat Jun 24 2023 - 02:04:39 EST
ieee->modulation is initialized to 3 and then unchanged. All evaluations
will result accordingly. Remove resulting dead code.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@xxxxxxxxx>
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 2 -
drivers/staging/rtl8192e/rtllib.h | 1 -
drivers/staging/rtl8192e/rtllib_softmac.c | 121 ++++++++-----------
drivers/staging/rtl8192e/rtllib_softmac_wx.c | 4 +-
4 files changed, 50 insertions(+), 78 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 4447489a16ea..cb0753f6fb18 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -804,8 +804,6 @@ static void _rtl92e_init_priv_variable(struct net_device *dev)
priv->rtllib->iw_mode = IW_MODE_INFRA;
priv->rtllib->active_scan = 1;
priv->rtllib->be_scan_inprogress = false;
- priv->rtllib->modulation = RTLLIB_CCK_MODULATION |
- RTLLIB_OFDM_MODULATION;
priv->rtllib->host_encrypt = 1;
priv->rtllib->host_decrypt = 1;
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index e3ce4431d460..fdb7990130b5 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1492,7 +1492,6 @@ struct rtllib_device {
int short_slot;
int mode; /* A, B, G */
- int modulation; /* CCK, OFDM */
/* used for forcing the ibss workqueue to terminate
* without wait for the syncro scan to terminate
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 425d4acbcdf0..c1e5127f5251 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -35,12 +35,8 @@ static unsigned int rtllib_MFIE_rate_len(struct rtllib_device *ieee)
{
unsigned int rate_len = 0;
- if (ieee->modulation & RTLLIB_CCK_MODULATION)
- rate_len = RTLLIB_CCK_RATE_LEN + 2;
-
- if (ieee->modulation & RTLLIB_OFDM_MODULATION)
-
- rate_len += RTLLIB_OFDM_RATE_LEN + 2;
+ rate_len = RTLLIB_CCK_RATE_LEN + 2;
+ rate_len += RTLLIB_OFDM_RATE_LEN + 2;
return rate_len;
}
@@ -53,14 +49,12 @@ static void rtllib_MFIE_Brate(struct rtllib_device *ieee, u8 **tag_p)
{
u8 *tag = *tag_p;
- if (ieee->modulation & RTLLIB_CCK_MODULATION) {
- *tag++ = MFIE_TYPE_RATES;
- *tag++ = 4;
- *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_1MB;
- *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_2MB;
- *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_5MB;
- *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_11MB;
- }
+ *tag++ = MFIE_TYPE_RATES;
+ *tag++ = 4;
+ *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_1MB;
+ *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_2MB;
+ *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_5MB;
+ *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_11MB;
/* We may add an option for custom rates that specific HW
* might support
@@ -72,18 +66,17 @@ static void rtllib_MFIE_Grate(struct rtllib_device *ieee, u8 **tag_p)
{
u8 *tag = *tag_p;
- if (ieee->modulation & RTLLIB_OFDM_MODULATION) {
- *tag++ = MFIE_TYPE_RATES_EX;
- *tag++ = 8;
- *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_6MB;
- *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_9MB;
- *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_12MB;
- *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_18MB;
- *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_24MB;
- *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_36MB;
- *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_48MB;
- *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_54MB;
- }
+ *tag++ = MFIE_TYPE_RATES_EX;
+ *tag++ = 8;
+ *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_6MB;
+ *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_9MB;
+ *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_12MB;
+ *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_18MB;
+ *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_24MB;
+ *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_36MB;
+ *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_48MB;
+ *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_54MB;
+
/* We may add an option for custom rates that specific HW might
* support
*/
@@ -1465,8 +1458,7 @@ static void rtllib_associate_complete_wq(void *data)
netif_carrier_on(ieee->dev);
ieee->is_roaming = false;
- if (rtllib_is_54g(&ieee->current_network) &&
- (ieee->modulation & RTLLIB_OFDM_MODULATION)) {
+ if (rtllib_is_54g(&ieee->current_network)) {
ieee->rate = 108;
netdev_info(ieee->dev, "Using G rates:%d\n", ieee->rate);
} else {
@@ -1652,9 +1644,7 @@ inline void rtllib_softmac_new_net(struct rtllib_device *ieee,
schedule_delayed_work(
&ieee->associate_procedure_wq, 0);
} else {
- if (rtllib_is_54g(&ieee->current_network) &&
- (ieee->modulation &
- RTLLIB_OFDM_MODULATION)) {
+ if (rtllib_is_54g(&ieee->current_network)) {
ieee->rate = 108;
ieee->set_wireless_mode(ieee->dev, WIRELESS_MODE_G);
netdev_info(ieee->dev,
@@ -2526,47 +2516,34 @@ static void rtllib_start_ibss_wq(void *data)
if (!ieee->wap_set)
eth_random_addr(ieee->current_network.bssid);
- if (ieee->modulation & RTLLIB_CCK_MODULATION) {
- ieee->current_network.rates_len = 4;
-
- ieee->current_network.rates[0] =
- RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_1MB;
- ieee->current_network.rates[1] =
- RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_2MB;
- ieee->current_network.rates[2] =
- RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_5MB;
- ieee->current_network.rates[3] =
- RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_11MB;
-
- } else {
- ieee->current_network.rates_len = 0;
- }
-
- if (ieee->modulation & RTLLIB_OFDM_MODULATION) {
- ieee->current_network.rates_ex_len = 8;
-
- ieee->current_network.rates_ex[0] =
- RTLLIB_OFDM_RATE_6MB;
- ieee->current_network.rates_ex[1] =
- RTLLIB_OFDM_RATE_9MB;
- ieee->current_network.rates_ex[2] =
- RTLLIB_OFDM_RATE_12MB;
- ieee->current_network.rates_ex[3] =
- RTLLIB_OFDM_RATE_18MB;
- ieee->current_network.rates_ex[4] =
- RTLLIB_OFDM_RATE_24MB;
- ieee->current_network.rates_ex[5] =
- RTLLIB_OFDM_RATE_36MB;
- ieee->current_network.rates_ex[6] =
- RTLLIB_OFDM_RATE_48MB;
- ieee->current_network.rates_ex[7] =
- RTLLIB_OFDM_RATE_54MB;
-
- ieee->rate = 108;
- } else {
- ieee->current_network.rates_ex_len = 0;
- ieee->rate = 22;
- }
+ ieee->current_network.rates_len = 4;
+ ieee->current_network.rates[0] =
+ RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_1MB;
+ ieee->current_network.rates[1] =
+ RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_2MB;
+ ieee->current_network.rates[2] =
+ RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_5MB;
+ ieee->current_network.rates[3] =
+ RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_11MB;
+
+ ieee->current_network.rates_ex_len = 8;
+ ieee->current_network.rates_ex[0] =
+ RTLLIB_OFDM_RATE_6MB;
+ ieee->current_network.rates_ex[1] =
+ RTLLIB_OFDM_RATE_9MB;
+ ieee->current_network.rates_ex[2] =
+ RTLLIB_OFDM_RATE_12MB;
+ ieee->current_network.rates_ex[3] =
+ RTLLIB_OFDM_RATE_18MB;
+ ieee->current_network.rates_ex[4] =
+ RTLLIB_OFDM_RATE_24MB;
+ ieee->current_network.rates_ex[5] =
+ RTLLIB_OFDM_RATE_36MB;
+ ieee->current_network.rates_ex[6] =
+ RTLLIB_OFDM_RATE_48MB;
+ ieee->current_network.rates_ex[7] =
+ RTLLIB_OFDM_RATE_54MB;
+ ieee->rate = 108;
ieee->current_network.qos_data.supported = 0;
ieee->set_wireless_mode(ieee->dev, WIRELESS_MODE_G);
diff --git a/drivers/staging/rtl8192e/rtllib_softmac_wx.c b/drivers/staging/rtl8192e/rtllib_softmac_wx.c
index 2de63d1f2009..1a7575ab9d6d 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac_wx.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac_wx.c
@@ -487,11 +487,9 @@ EXPORT_SYMBOL(rtllib_wx_set_rawtx);
int rtllib_wx_get_name(struct rtllib_device *ieee, struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
- const char *b = ieee->modulation & RTLLIB_CCK_MODULATION ? "b" : "";
- const char *g = ieee->modulation & RTLLIB_OFDM_MODULATION ? "g" : "";
const char *n = ieee->mode & (WIRELESS_MODE_N_24G) ? "n" : "";
- scnprintf(wrqu->name, sizeof(wrqu->name), "802.11%s%s%s", b, g, n);
+ scnprintf(wrqu->name, sizeof(wrqu->name), "802.11bg%s", n);
return 0;
}
EXPORT_SYMBOL(rtllib_wx_get_name);
--
2.41.0