FS#1788 - ath79: PCI devices get the same IRQ that causes problems. #6767
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Pilot6: Ath79
root@Router:~# cat /proc/interrupts
CPU0
3: 0 MIPS 3 ehci_hcd:usb1
4: 6325117 MIPS 4 19000000.eth
5: 6409628 MIPS 5 1a000000.eth
7: 802886 MIPS 7 timer
8: 12 MISC 3 ttyS0
11: 0 MISC 6 ohci_hcd:usb2
12: 887718 AR71XX PCI 1 ath9k, ath9k
ERR: 631
ar71xx
root@OpenWrt:~# cat /proc/interrupts
CPU0
3: 0 MIPS 3 ehci_hcd:usb1
4: 859 MIPS 4 eth0
5: 565 MIPS 5 eth1
7: 9006 MIPS 7 timer
11: 12 MISC 3 serial
14: 0 MISC 6 ohci_hcd:usb2
40: 0 AR71XX PCI 0 ath9k
41: 0 AR71XX PCI 1 ath9k
ERR: 0
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Pilot6:
I am testing ath79 image on DIR-825B1 device.
The device has 2 ath9k wireless adapters connected to PCI BUS.
After af3b175 the IRQ is assigned, but one for both adapters. In my case IRQ 12.
I think that causes problems:
If I disable the 5GHz device in /etc/config/wireless, the other device is malfunctioning. It doesn't send beacons and isn't detected.
If both wireless adapters are enabled, 5Ghz works poorly.
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