linux-kernel - [PATCH] staging: rtl8188eu: core: find and remove code valid only for 5 HGz.

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Date:	Wed, 15 Jul 2015 22:04:08 -0400
From:	Sreenath Madasu <sreenath.madasu@...il.com>
To:	gregkh@...uxfoundation.org
Cc:	navin.patidar@...il.com, luca@...aceresoli.net,
	tapaswenipathak@...il.com, somyaanand214@...il.com,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: rtl8188eu: core: find and remove code valid only
 for 5 HGz.

This one of the TODO tasks for staging rtl8188eu driver. I have removed
the code referring to channel > 14 for rtw_ap.c, rtw_ieee80211.c and
rtw_mlme.c files. Please review.

Signed-off-by: Sreenath Madasu <Sreenath.Madasu@...il.com>
---
 drivers/staging/rtl8188eu/core/rtw_ap.c        | 31 +++++++-------------------
 drivers/staging/rtl8188eu/core/rtw_ieee80211.c | 24 ++++++--------------
 drivers/staging/rtl8188eu/core/rtw_mlme.c      |  5 +----
 3 files changed, 16 insertions(+), 44 deletions(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c
index 293510e..1a32e7b 100644
--- a/drivers/staging/rtl8188eu/core/rtw_ap.c
+++ b/drivers/staging/rtl8188eu/core/rtw_ap.c
@@ -497,20 +497,12 @@ void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level)
 		shortGIrate = psta_ht->sgi;
 	}
 
-	if (pcur_network->Configuration.DSConfig > 14) {
-		/*  5G band */
-		if (tx_ra_bitmap & 0xffff000)
-			sta_band |= WIRELESS_11_5N | WIRELESS_11A;
-		else
-			sta_band |= WIRELESS_11A;
-	} else {
-		if (tx_ra_bitmap & 0xffff000)
-			sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
-		else if (tx_ra_bitmap & 0xff0)
-			sta_band |= WIRELESS_11G | WIRELESS_11B;
-		else
-			sta_band |= WIRELESS_11B;
-	}
+	if (tx_ra_bitmap & 0xffff000)
+		sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
+	else if (tx_ra_bitmap & 0xff0)
+		sta_band |= WIRELESS_11G | WIRELESS_11B;
+	else
+		sta_band |= WIRELESS_11B;
 
 	psta->wireless_mode = sta_band;
 
@@ -584,15 +576,8 @@ static void update_bmc_sta(struct adapter *padapter)
 				tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i]&0x7f);
 		}
 
-		if (pcur_network->Configuration.DSConfig > 14) {
-			/* force to A mode. 5G doesn't support CCK rates */
-			network_type = WIRELESS_11A;
-			tx_ra_bitmap = 0x150; /*  6, 12, 24 Mbps */
-		} else {
-			/* force to b mode */
-			network_type = WIRELESS_11B;
-			tx_ra_bitmap = 0xf;
-		}
+		network_type = WIRELESS_11B;
+		tx_ra_bitmap = 0xf;
 
 		raid = networktype_to_raid(network_type);
 		init_rate = get_highest_rate_idx(tx_ra_bitmap&0x0fffffff)&0x3f;
diff --git a/drivers/staging/rtl8188eu/core/rtw_ieee80211.c b/drivers/staging/rtl8188eu/core/rtw_ieee80211.c
index 11b780d..f55dae1 100644
--- a/drivers/staging/rtl8188eu/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8188eu/core/rtw_ieee80211.c
@@ -113,19 +113,12 @@ uint	rtw_is_cckratesonly_included(u8 *rate)
 
 int rtw_check_network_type(unsigned char *rate, int ratelen, int channel)
 {
-	if (channel > 14) {
-		if ((rtw_is_cckrates_included(rate)) == true)
-			return WIRELESS_INVALID;
-		else
-			return WIRELESS_11A;
-	} else {  /*  could be pure B, pure G, or B/G */
-		if ((rtw_is_cckratesonly_included(rate)) == true)
-			return WIRELESS_11B;
-		else if ((rtw_is_cckrates_included(rate)) == true)
-			return	WIRELESS_11BG;
-		else
-			return WIRELESS_11G;
-	}
+	if ((rtw_is_cckratesonly_included(rate)) == true)
+		return WIRELESS_11B;
+	else if ((rtw_is_cckrates_included(rate)) == true)
+		return	WIRELESS_11BG;
+	else
+		return WIRELESS_11G;
 }
 
 u8 *rtw_set_fixed_ie(unsigned char *pbuf, unsigned int len, unsigned char *source,
@@ -404,10 +397,7 @@ int rtw_generate_ie(struct registry_priv *pregistrypriv)
 
 	/* supported rates */
 	if (pregistrypriv->wireless_mode == WIRELESS_11ABGN) {
-		if (pdev_network->Configuration.DSConfig > 14)
-			wireless_mode = WIRELESS_11A_5N;
-		else
-			wireless_mode = WIRELESS_11BG_24N;
+		wireless_mode = WIRELESS_11BG_24N;
 	} else {
 		wireless_mode = pregistrypriv->wireless_mode;
 	}
diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme.c b/drivers/staging/rtl8188eu/core/rtw_mlme.c
index 0558451..15d91814 100644
--- a/drivers/staging/rtl8188eu/core/rtw_mlme.c
+++ b/drivers/staging/rtl8188eu/core/rtw_mlme.c
@@ -1872,10 +1872,7 @@ void rtw_update_registrypriv_dev_network(struct adapter *adapter)
 		pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
 		break;
 	case WIRELESS_11ABGN:
-		if (pregistrypriv->channel > 14)
-			pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
-		else
-			pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
+		pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
 		break;
 	default:
 		/*  TODO */
-- 
2.3.6

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