RE: ATH9 driver issues on ARM64

Bharat Kumar Gogada
2016-12-08T18:33:30Z

> On 08/12/16 15:29, Bharat Kumar Gogada wrote:
>
> Two things:
>
> > Here is the cat /proc/interrupts (after we do interface up):
> >
> > root@:~# ifconfig wlan0 up
> > [ 1548.926601] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
> > root@Xilinx-ZCU102-2016_3:~# cat /proc/interrupts
> > CPU0 CPU1 CPU2 CPU3
> > 1: 0 0 0 0 GICv2 29 Edge arch_timer
> > 2: 19873 20058 19089 17435 GICv2 30 Edge arch_timer
> > 12: 0 0 0 0 GICv2 156 Level zynqmp-dma
> > 13: 0 0 0 0 GICv2 157 Level zynqmp-dma
> > 14: 0 0 0 0 GICv2 158 Level zynqmp-dma
> > 15: 0 0 0 0 GICv2 159 Level zynqmp-dma
> > 16: 0 0 0 0 GICv2 160 Level zynqmp-dma
> > 17: 0 0 0 0 GICv2 161 Level zynqmp-dma
> > 18: 0 0 0 0 GICv2 162 Level zynqmp-dma
> > 19: 0 0 0 0 GICv2 163 Level zynqmp-dma
> > 20: 0 0 0 0 GICv2 164 Level Mali_GP_MMU, Mali_GP,
> Mali_PP0_MMU, Mali_PP0, Mali_PP1_MMU, Mali_PP1
>
> I'm not even going to consider looking at something that is running out of tree
> code. So please start things with a fresh kernel that doesn't contain stuff we
> can't debug.
>
Ok will test with fresh kernel.

> > 30: 0 0 0 0 GICv2 95 Level eth0, eth0
> > 206: 314 0 0 0 GICv2 49 Level cdns-i2c
> > 207: 40 0 0 0 GICv2 50 Level cdns-i2c
> > 209: 0 0 0 0 GICv2 150 Level nwl_pcie:misc
> > 214: 12 0 0 0 GICv2 47 Level ff0f0000.spi
> > 215: 0 0 0 0 GICv2 58 Level ffa60000.rtc
> > 216: 0 0 0 0 GICv2 59 Level ffa60000.rtc
> > 217: 0 0 0 0 GICv2 165 Level ahci-ceva[fd0c0000.ahci]
> > 218: 61 0 0 0 GICv2 81 Level mmc0
> > 219: 0 0 0 0 GICv2 187 Level arm-smmu global fault
> > 220: 471 0 0 0 GICv2 53 Level xuartps
> > 223: 0 0 0 0 GICv2 154 Level fd4c0000.dma
> > 224: 3 0 0 0 dummy 1 Edge ath9k
>
> What is this "dummy" controller? And if that's supposed to be a legacy interrupt
> from the PCI device, it has the wrong trigger.

Yes it is for legacy interrupt, wrong trigger means ?

Thanks & Regards,
Bharat