linux-kernel - [PATCH] staging: rtl8188eu: remove code valid only for 5 GHz

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Message-Id: <20191024155918.13399-1-straube.linux@gmail.com>
Date:   Thu, 24 Oct 2019 17:59:18 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org,
        Michael Straube <straube.linux@...il.com>
Subject: [PATCH] staging: rtl8188eu: remove code valid only for 5 GHz

Remove code valid only for 5 GHz, according to the TODO.

- find and remove remaining code valid only for 5 GHz. Most of the obvious
  ones have been removed, but things like channel > 14 still exist.

Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 drivers/staging/rtl8188eu/core/rtw_ap.c       | 12 ++------
 .../staging/rtl8188eu/os_dep/ioctl_linux.c    | 30 +++++--------------
 2 files changed, 11 insertions(+), 31 deletions(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c
index 9aa44c921aca..88e42cc1d837 100644
--- a/drivers/staging/rtl8188eu/core/rtw_ap.c
+++ b/drivers/staging/rtl8188eu/core/rtw_ap.c
@@ -440,15 +440,9 @@ 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;
-		}
+		/* force to b mode */
+		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/os_dep/ioctl_linux.c b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
index ec5835d1aa8c..710c33fd4965 100644
--- a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
@@ -148,17 +148,10 @@ static char *translate_scan(struct adapter *padapter,
 		else
 			snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11bg");
 	} else {
-		if (pnetwork->network.Configuration.DSConfig > 14) {
-			if (ht_cap)
-				snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11an");
-			else
-				snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11a");
-		} else {
-			if (ht_cap)
-				snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11gn");
-			else
-				snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11g");
-		}
+		if (ht_cap)
+			snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11gn");
+		else
+			snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11g");
 	}
 
 	start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_CHAR_LEN);
@@ -650,17 +643,10 @@ static int rtw_wx_get_name(struct net_device *dev,
 			else
 				snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11bg");
 		} else {
-			if (pcur_bss->Configuration.DSConfig > 14) {
-				if (ht_cap)
-					snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11an");
-				else
-					snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11a");
-			} else {
-				if (ht_cap)
-					snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11gn");
-				else
-					snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11g");
-			}
+			if (ht_cap)
+				snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11gn");
+			else
+				snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11g");
 		}
 	} else {
 		snprintf(wrqu->name, IFNAMSIZ, "unassociated");
-- 
2.23.0