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ralink: remove VHT capabilities when not using 802.11ac 

The mt76 driver might have some problem working with MT7602.
MT7602 should not have VHT capabilities . But the driver not identity properly.

Signed-off-by: wengbj <fl.service@t-firefly.com>

SVN-Revision: 44257
This commit is contained in:
John Crispin 2015-02-04 06:11:01 +00:00
parent 600548e472
commit 70b4d641c1
1 changed files with 46 additions and 0 deletions
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46
package/kernel/mt76/patches/0001-mt7602-remove-vht-capabilities.patch Normal file
View File

@ -0,0 +1,46 @@
--- a/init.c
+++ b/init.c
@@ -682,24 +682,27 @@ mt76_init_sband(struct mt76_dev *dev, st
ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_4;
- vht_cap = &sband->vht_cap;
- vht_cap->vht_supported = true;
+ if (dev->cap.has_5ghz)
+ {
+ vht_cap = &sband->vht_cap;
+ vht_cap->vht_supported = true;
- mcs_map = (IEEE80211_VHT_MCS_SUPPORT_0_9 << (0 * 2)) |
- (IEEE80211_VHT_MCS_SUPPORT_0_9 << (1 * 2)) |
- (IEEE80211_VHT_MCS_NOT_SUPPORTED << (2 * 2)) |
- (IEEE80211_VHT_MCS_NOT_SUPPORTED << (3 * 2)) |
- (IEEE80211_VHT_MCS_NOT_SUPPORTED << (4 * 2)) |
- (IEEE80211_VHT_MCS_NOT_SUPPORTED << (5 * 2)) |
- (IEEE80211_VHT_MCS_NOT_SUPPORTED << (6 * 2)) |
- (IEEE80211_VHT_MCS_NOT_SUPPORTED << (7 * 2));
+ mcs_map = (IEEE80211_VHT_MCS_SUPPORT_0_9 << (0 * 2)) |
+ (IEEE80211_VHT_MCS_SUPPORT_0_9 << (1 * 2)) |
+ (IEEE80211_VHT_MCS_NOT_SUPPORTED << (2 * 2)) |
+ (IEEE80211_VHT_MCS_NOT_SUPPORTED << (3 * 2)) |
+ (IEEE80211_VHT_MCS_NOT_SUPPORTED << (4 * 2)) |
+ (IEEE80211_VHT_MCS_NOT_SUPPORTED << (5 * 2)) |
+ (IEEE80211_VHT_MCS_NOT_SUPPORTED << (6 * 2)) |
+ (IEEE80211_VHT_MCS_NOT_SUPPORTED << (7 * 2));
- vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
- vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
- vht_cap->cap = IEEE80211_VHT_CAP_RXLDPC |
- IEEE80211_VHT_CAP_TXSTBC |
- IEEE80211_VHT_CAP_RXSTBC_1 |
- IEEE80211_VHT_CAP_SHORT_GI_80;
+ vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
+ vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
+ vht_cap->cap = IEEE80211_VHT_CAP_RXLDPC |
+ IEEE80211_VHT_CAP_TXSTBC |
+ IEEE80211_VHT_CAP_RXSTBC_1 |
+ IEEE80211_VHT_CAP_SHORT_GI_80;
+ }
dev->chandef.chan = &sband->channels[0];