### postmarketOS

The dma counter only increased when probing i2c7 (the not working one). Could be either that this i2c uses dma to transfer and it does not work or its a fault interrupt.

```
samsung-a715f:~$ cat /proc/interrupts | grep -i i2c
137:         72          0          0          0          0          0          0          0     GICv3 633 Level     880000.i2c
138:         72          0          0          0          0          0          0          0     GICv3 635 Level     888000.i2c
141:          0          0          0          0          0          0          0          0     GICv3 386 Level     a84000.i2c
142:        120          0          0          0          0          0          0          0     GICv3 388 Level     a8c000.i2c

samsung-a715f:~$ cat /proc/interrupts | grep -i dma
133:       1061          0          0          0          0          0          0          0     GICv3 311 Level     gpi-dma

samsung-a715f:~# cat /sys/kernel/debug/dmaengine/summary
dma0 (800000.dma-controller): number of channels: 8

dma1 (a00000.dma-controller): number of channels: 8
 dma1chan0    | a84000.i2c:tx
 dma1chan1    | a84000.i2c:rx
```

### Android
```
a71:/ # cat /proc/interrupts | grep -i -e dma -e i2c
 18:       1141          0          0          0          0          0          0          0   PDC-GIC 311 Level     gpi_dmaa00000_gpii0
114:        941          0          0          0          0          0          0          0   PDC-GIC 633 Level     i2c_geni
115:       1198          0          0          0          0          0          0          0   PDC-GIC 635 Level     i2c_geni
119:          0          0          0          0          0          0          0          0   PDC-GIC 386 Level     i2c_geni
139:          0          0          0          0          0          0          0          0   PDC-GIC 507 Edge      jpegdma
```