Deren Wu
46d13013b5
wifi: mt76: mt7921: do not support one stream on secondary antenna only ...
commit d616d3680264beb9a9d2c4fc681064b06f447eeb upstream.
mt7921 support following antenna combiantions only.
* primary + secondary (2x2)
* primary only (1x1)
Since we cannot work on secondary antenna only, return error if the
antenna bitmap is 0x2 in .set_antenna().
For example:
iw phy0 set antenna 3 3 /* valid */
iw phy0 set antenna 1 1 /* valid */
iw phy0 set antenna 2 2 /* invalid */
Cc: stable@vger.kernel.org
Fixes: e0f9fdda81bd ("mt76: mt7921: add ieee80211_ops")
Suggested-by: Knox Chiou <knoxchiou@google.com>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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46d13013b5