[PATCH AUTOSEL 4.19 090/258] mt76x0: dfs: fix IBI_R11 configuration on non-radar channels
From: Sasha Levin <sashal@kernel.org>
Date: 2019-01-28 16:03:49
Also in:
linux-wireless, lkml, stable
Subsystem:
mediatek mt76 wireless lan driver, the rest · Maintainers:
Felix Fietkau, Lorenzo Bianconi, Ryder Lee, Linus Torvalds
From: Lorenzo Bianconi <redacted>
[ Upstream commit 6bf4a8e902aad7df55d7f2b10b850cfa3f880996 ]
Fix IBI_R11 configuration on non-radar channels for mt76x0e
driver. This patch improve system stability under heavy load.
Moreover use IBI_R11 name and remove magic numbers for
0x212c register
Fixes: 0c3b3abc9251 ("mt76x0: pci: add DFS support")
Signed-off-by: Lorenzo Bianconi <redacted>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c b/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c
index 374cc655c11d..16e6b6970e28 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c@@ -799,7 +799,7 @@ static void mt76x2_dfs_set_bbp_params(struct mt76x2_dev *dev) /* enable detection*/ mt76_wr(dev, MT_BBP(DFS, 0), MT_DFS_CH_EN << 16); - mt76_wr(dev, 0x212c, 0x0c350001); + mt76_wr(dev, MT_BBP(IBI, 11), 0x0c350001); } void mt76x2_dfs_adjust_agc(struct mt76x2_dev *dev)
@@ -842,7 +842,11 @@ void mt76x2_dfs_init_params(struct mt76x2_dev *dev) mt76_wr(dev, MT_BBP(DFS, 0), 0); /* clear detector status */ mt76_wr(dev, MT_BBP(DFS, 1), 0xf); - mt76_wr(dev, 0x212c, 0); + if (mt76_chip(&dev->mt76) == 0x7610 || + mt76_chip(&dev->mt76) == 0x7630) + mt76_wr(dev, MT_BBP(IBI, 11), 0xfde8081); + else + mt76_wr(dev, MT_BBP(IBI, 11), 0); mt76x2_irq_disable(dev, MT_INT_GPTIMER); mt76_rmw_field(dev, MT_INT_TIMER_EN,
--
2.19.1