This is a note to let you know that I've just added the patch titled
mt76: mt7915: fix the nss setting in bitrates
to the 5.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mt76-mt7915-fix-the-nss-setting-in-bitrates.patch
and it can be found in the queue-5.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit e6b3bc3203a09d6ed0e95fd3d1c6e3da0fb5b9cf
Author: MeiChia Chiu <meichia.chiu@xxxxxxxxxxxx>
Date: Thu Jan 27 21:32:26 2022 +0800
mt76: mt7915: fix the nss setting in bitrates
[ Upstream commit c41d2a075206fcbdc89695b874a6ac06160b4f1a ]
without this change, the fixed MCS only supports 1 Nss.
Fixes: 70fd1333cd32f ("mt76: mt7915: rework .set_bitrate_mask() to support more options")
Reviewed-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
Signed-off-by: MeiChia Chiu <meichia.chiu@xxxxxxxxxxxx>
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index f7b97b7ab21f..8ff2402c4817 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -2126,9 +2126,12 @@ mt7915_mcu_add_rate_ctrl_fixed(struct mt7915_dev *dev,
phy.sgi |= gi << (i << (_he)); \
phy.he_ltf |= mask->control[band].he_ltf << (i << (_he));\
} \
- for (i = 0; i < ARRAY_SIZE(mask->control[band]._mcs); i++) \
- nrates += hweight16(mask->control[band]._mcs[i]); \
- phy.mcs = ffs(mask->control[band]._mcs[0]) - 1; \
+ for (i = 0; i < ARRAY_SIZE(mask->control[band]._mcs); i++) { \
+ if (!mask->control[band]._mcs[i]) \
+ continue; \
+ nrates += hweight16(mask->control[band]._mcs[i]); \
+ phy.mcs = ffs(mask->control[band]._mcs[i]) - 1; \
+ } \
} while (0)
if (sta->he_cap.has_he) {
