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authorFelix Fietkau <nbd@nbd.name>2019-03-08 19:50:21 +0100
committerFelix Fietkau <nbd@nbd.name>2019-05-01 13:03:59 +0200
commit0f66947bffe6cf630d37a6ec75f654d330ec66a4 (patch)
tree2966a99be522a0cf98a8a5eccdb64cb7715c40ab /drivers/net/wireless/mediatek
parentmt76: mt76x02: remove irqsave/restore in locking for tx status fifo (diff)
downloadlinux-dev-0f66947bffe6cf630d37a6ec75f654d330ec66a4.tar.xz
linux-dev-0f66947bffe6cf630d37a6ec75f654d330ec66a4.zip
mt76: mt7603: fix initialization of max rx length
The previous version only accidentally disabled A-MSDU deaggregation by using the wrong mask for rx length configuration, which left previous length value in place. Fix the length and initialize the register completely to keep A-MSDU de-aggregation remaining disabled Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7603/init.c3
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7603/regs.h4
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/init.c b/drivers/net/wireless/mediatek/mt76/mt7603/init.c
index d394839f1bd8..0d347ac6dfa6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/init.c
@@ -167,7 +167,8 @@ mt7603_mac_init(struct mt7603_dev *dev)
FIELD_PREP(MT_AGG_RETRY_CONTROL_BAR_LIMIT, 1) |
FIELD_PREP(MT_AGG_RETRY_CONTROL_RTS_LIMIT, 15));
- mt76_rmw(dev, MT_DMA_DCR0, ~0xfffc, 4096);
+ mt76_wr(dev, MT_DMA_DCR0, MT_DMA_DCR0_RX_VEC_DROP |
+ FIELD_PREP(MT_DMA_DCR0_MAX_RX_LEN, 4096));
mt76_rmw(dev, MT_DMA_VCFR0, BIT(0), BIT(13));
mt76_rmw(dev, MT_DMA_TMCFR0, BIT(0) | BIT(1), BIT(13));
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/regs.h b/drivers/net/wireless/mediatek/mt76/mt7603/regs.h
index da6827ae6cee..9d257d5c309d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/regs.h
@@ -233,6 +233,10 @@
#define MT_WF_DMA(ofs) (MT_WF_DMA_BASE + (ofs))
#define MT_DMA_DCR0 MT_WF_DMA(0x000)
+#define MT_DMA_DCR0_MAX_RX_LEN GENMASK(15, 0)
+#define MT_DMA_DCR0_DAMSDU BIT(16)
+#define MT_DMA_DCR0_RX_VEC_DROP BIT(17)
+
#define MT_DMA_DCR1 MT_WF_DMA(0x004)
#define MT_DMA_FQCR0 MT_WF_DMA(0x008)