Maurice Smulders <Maurice.Smulders@xxxxxxxxxxxxxx> writes: > I am trying to use the QCA6174A and the QCA6390 on a custom board using a PCIe switch - but that doesn't matter - It still fails w/o the switch: > > lspci > 00:00.0 PCI bridge: Broadcom Inc. and subsidiaries BCM2711 PCIe Bridge (rev 20) > 01:00.0 PCI bridge: Pericom Semiconductor PI7C9X2G608GP PCIe2 6-Port/8-Lane Packet Switch > 02:01.0 PCI bridge: Pericom Semiconductor PI7C9X2G608GP PCIe2 6-Port/8-Lane Packet Switch > 02:02.0 PCI bridge: Pericom Semiconductor PI7C9X2G608GP PCIe2 6-Port/8-Lane Packet Switch > 02:03.0 PCI bridge: Pericom Semiconductor PI7C9X2G608GP PCIe2 6-Port/8-Lane Packet Switch > 02:04.0 PCI bridge: Pericom Semiconductor PI7C9X2G608GP PCIe2 6-Port/8-Lane Packet Switch > 02:05.0 PCI bridge: Pericom Semiconductor PI7C9X2G608GP PCIe2 6-Port/8-Lane Packet Switch > 05:00.0 Unassigned class [ff00]: Qualcomm QCA6390 Wireless Network Adapter [AX500-DBS (2x2)] > 06:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter (rev 32) > > Both device drivers do not work. I changed the CE code to use the GFP_DMA32 flag as an attempt to allocate the memory correctly, but DMESG shows > > [pi@node6745 ~]$ dmesg | grep ath > [ 5.801896] ath10k_pci 0000:06:00.0: ath10k_ce_alloc_src_ring: Not unaligned <--- User message exit from this function > [ 5.804284] ath10k_pci 0000:06:00.0: failed to alloc CE src ring 0: -12 > [ 5.813138] ath10k_pci 0000:06:00.0: failed to allocate copy engine pipe 0: -12 > [ 5.815414] ath10k_pci 0000:06:00.0: failed to allocate copy engine pipes: -12 > [ 5.818002] ath10k_pci 0000:06:00.0: failed to setup resource: -12 > [ 5.826953] ath10k_pci: probe of 0000:06:00.0 failed with error -12 > [ 5.855993] ath11k_pci 0000:05:00.0: WARNING: ath11k PCI support is experimental! > [ 5.896148] ath11k_pci 0000:05:00.0: BAR 0: assigned [mem 0x600000000-0x600ffffff 64bit] > [ 5.900236] ath11k_pci 0000:05:00.0: enabling device (0000 -> 0002) > [ 5.914050] ath11k_pci: probe of 0000:05:00.0 failed with error -12 > > Error -12 (ENOMEM) gets returned and the driver doesn't work... > > 05:00.0 Unassigned class [ff00]: Qualcomm QCA6390 Wireless Network Adapter [AX500-DBS (2x2)] > Subsystem: Qualcomm Device 0108 > Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- > Region 0: Memory at 600000000 (64-bit, non-prefetchable) [size=16M] > Capabilities: <access denied> > Kernel modules: ath11k_pci > > 06:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter (rev 32) > Subsystem: ASUSTeK Computer Inc. Device 86e0 > Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- > Interrupt: pin A routed to IRQ 48 > Region 0: Memory at 601000000 (64-bit, non-prefetchable) [disabled] [size=2M] > Capabilities: <access denied> > Kernel modules: ath10k_pci > > I am at a loss what to do here. The ath11k driver has the SINGLE MSI fix built in. > > Any ideas' what I can try to fix this problem on the raspberry Pi CM4? Sorry, no ideas. But adding ath10k and ath11k lists, maybe people there can propose something. -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
