2021-04-16 08:43:50

by Felix Fietkau

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Subject: [PATCH 2/3] mt76: mt7615: fix entering driver-own state on mt7663

Fixes hardware wakeup issues

Signed-off-by: Felix Fietkau <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index eab490d07255..5f37255476e3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -292,12 +292,20 @@ static int mt7615_mcu_drv_pmctrl(struct mt7615_dev *dev)
u32 addr;
int err;

- addr = is_mt7663(mdev) ? MT_PCIE_DOORBELL_PUSH : MT_CFG_LPCR_HOST;
+ if (is_mt7663(mdev)) {
+ /* Clear firmware own via N9 eint */
+ mt76_wr(dev, MT_PCIE_DOORBELL_PUSH, MT_CFG_LPCR_HOST_DRV_OWN);
+ mt76_poll(dev, MT_CONN_ON_MISC, MT_CFG_LPCR_HOST_FW_OWN, 0, 3000);
+
+ addr = MT_CONN_HIF_ON_LPCTL;
+ } else {
+ addr = MT_CFG_LPCR_HOST;
+ }
+
mt76_wr(dev, addr, MT_CFG_LPCR_HOST_DRV_OWN);

mt7622_trigger_hif_int(dev, true);

- addr = is_mt7663(mdev) ? MT_CONN_HIF_ON_LPCTL : MT_CFG_LPCR_HOST;
err = !mt76_poll_msec(dev, addr, MT_CFG_LPCR_HOST_FW_OWN, 0, 3000);

mt7622_trigger_hif_int(dev, false);
--
2.30.1