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Date: Mon, 11 Feb 2019 15:15:24 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Lorenzo Bianconi <lorenzo.bianconi@...hat.com>, Felix Fietkau <nbd@....name>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 4.20 097/352] mt76x0: dfs: fix IBI_R11 configuration on non-radar channels 4.20-stable review patch. If anyone has any objections, please let me know. ------------------ [ 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 <lorenzo.bianconi@...hat.com> Signed-off-by: Felix Fietkau <nbd@....name> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/net/wireless/mediatek/mt76/mt76x2/pci_dfs.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_dfs.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_dfs.c index b56febae8945..764528c9f48a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_dfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_dfs.c @@ -800,7 +800,7 @@ static void mt76x2_dfs_set_bbp_params(struct mt76x02_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 mt76x02_dev *dev) @@ -843,7 +843,11 @@ void mt76x2_dfs_init_params(struct mt76x02_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); mt76x02_irq_disable(dev, MT_INT_GPTIMER); mt76_rmw_field(dev, MT_INT_TIMER_EN, -- 2.19.1
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