diff options
| author | Deren Wu <deren.wu@mediatek.com> | 2022-09-12 11:45:52 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2022-09-15 14:15:49 +0300 |
| commit | 763a1d90133bfd2efae1a533d6b571d9802bcaa3 (patch) | |
| tree | a6c6eef6b33212f98df6a63323ed020a9b87ba86 | |
| parent | ebbd68842ee0c1d97af6fbba082a2abb1d5c60f6 (diff) | |
wifi: mt76: mt7921e: fix random fw download fail
In case of PCIe interoperability problem shows up, the firmware
payload may be corrupted in download stage. Turn off L0s to keep
fw download process accurately.
[ 1093.528363] mt7921e 0000:3b:00.0: Message 00000007 (seq 7) timeout
[ 1093.528414] mt7921e 0000:3b:00.0: Failed to start patch
[ 1096.600156] mt7921e 0000:3b:00.0: Message 00000010 (seq 8) timeout
[ 1096.600207] mt7921e 0000:3b:00.0: Failed to release patch semaphore
[ 1097.699031] mt7921e 0000:3b:00.0: Timeout for driver own
[ 1098.758427] mt7921e 0000:3b:00.0: Timeout for driver own
[ 1099.834408] mt7921e 0000:3b:00.0: Timeout for driver own
[ 1100.915264] mt7921e 0000:3b:00.0: Timeout for driver own
[ 1101.990625] mt7921e 0000:3b:00.0: Timeout for driver own
[ 1103.077587] mt7921e 0000:3b:00.0: Timeout for driver own
[ 1104.173258] mt7921e 0000:3b:00.0: Timeout for driver own
[ 1105.248466] mt7921e 0000:3b:00.0: Timeout for driver own
[ 1106.336969] mt7921e 0000:3b:00.0: Timeout for driver own
[ 1106.397542] mt7921e 0000:3b:00.0: hardware init failed
Cc: stable@vger.kernel.org
Fixes: bf3747ae2e25 ("mt76: mt7921: enable aspm by default")
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
| -rw-r--r-- | mt7921/pci.c | 1 | ||||
| -rw-r--r-- | mt7921/pci_mcu.c | 2 | ||||
| -rw-r--r-- | mt7921/regs.h | 2 |
3 files changed, 5 insertions, 0 deletions
diff --git a/mt7921/pci.c b/mt7921/pci.c index b7ea6bf7..a5ced31a 100644 --- a/mt7921/pci.c +++ b/mt7921/pci.c @@ -148,6 +148,7 @@ static u32 __mt7921_reg_addr(struct mt7921_dev *dev, u32 addr) { 0x820c8000, 0x0c000, 0x02000 }, /* WF_UMAC_TOP (PSE) */ { 0x820cc000, 0x0e000, 0x01000 }, /* WF_UMAC_TOP (PP) */ { 0x820cd000, 0x0f000, 0x01000 }, /* WF_MDP_TOP */ + { 0x74030000, 0x10000, 0x10000 }, /* PCIE_MAC_IREG */ { 0x820ce000, 0x21c00, 0x00200 }, /* WF_LMAC_TOP (WF_SEC) */ { 0x820cf000, 0x22000, 0x01000 }, /* WF_LMAC_TOP (WF_PF) */ { 0x820e0000, 0x20000, 0x00400 }, /* WF_LMAC_TOP BN0 (WF_CFG) */ diff --git a/mt7921/pci_mcu.c b/mt7921/pci_mcu.c index 64568536..86340d32 100644 --- a/mt7921/pci_mcu.c +++ b/mt7921/pci_mcu.c @@ -54,6 +54,8 @@ int mt7921e_mcu_init(struct mt7921_dev *dev) if (err) return err; + mt76_rmw_field(dev, MT_PCIE_MAC_PM, MT_PCIE_MAC_PM_L0S_DIS, 1); + err = mt7921_run_firmware(dev); mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false); diff --git a/mt7921/regs.h b/mt7921/regs.h index ea643260..c65582ac 100644 --- a/mt7921/regs.h +++ b/mt7921/regs.h @@ -440,6 +440,8 @@ #define MT_PCIE_MAC_BASE 0x10000 #define MT_PCIE_MAC(ofs) (MT_PCIE_MAC_BASE + (ofs)) #define MT_PCIE_MAC_INT_ENABLE MT_PCIE_MAC(0x188) +#define MT_PCIE_MAC_PM MT_PCIE_MAC(0x194) +#define MT_PCIE_MAC_PM_L0S_DIS BIT(8) #define MT_DMA_SHDL(ofs) (0x7c026000 + (ofs)) #define MT_DMASHDL_SW_CONTROL MT_DMA_SHDL(0x004) |