6.9-stable review patch. If anyone has any objections, please let me know.
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From: StanleyYP Wang StanleyYP.Wang@mediatek.com
[ Upstream commit ec55d8e7dfea92daff87f5c01689633f8c4e6a62 ]
Check if background radar is enabled or not before manually triggering it, and also add more checks in radar detected event.
Signed-off-by: StanleyYP Wang StanleyYP.Wang@mediatek.com Signed-off-by: Shayne Chen shayne.chen@mediatek.com Signed-off-by: Felix Fietkau nbd@nbd.name Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c | 5 +++++ drivers/net/wireless/mediatek/mt76/mt7996/mcu.c | 5 ++++- 2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c index 9bd953586b041..62c03d088925c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c @@ -225,6 +225,11 @@ mt7996_radar_trigger(void *data, u64 val) if (val > MT_RX_SEL2) return -EINVAL;
+ if (val == MT_RX_SEL2 && !dev->rdd2_phy) { + dev_err(dev->mt76.dev, "Background radar is not enabled\n"); + return -EINVAL; + } + return mt7996_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE, val, 0, 0); } diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c index e86c05d0eecc9..bc3b2babb094d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c @@ -355,7 +355,10 @@ mt7996_mcu_rx_radar_detected(struct mt7996_dev *dev, struct sk_buff *skb) if (r->band_idx >= ARRAY_SIZE(dev->mt76.phys)) return;
- if (dev->rdd2_phy && r->band_idx == MT_RX_SEL2) + if (r->band_idx == MT_RX_SEL2 && !dev->rdd2_phy) + return; + + if (r->band_idx == MT_RX_SEL2) mphy = dev->rdd2_phy->mt76; else mphy = dev->mt76.phys[r->band_idx];