25 lines
1.6 KiB
Markdown
25 lines
1.6 KiB
Markdown
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### postmarketOS
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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.
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```
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samsung-a715f:~$ cat /proc/interrupts | grep -i i2c
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137: 72 0 0 0 0 0 0 0 GICv3 633 Level 880000.i2c
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138: 72 0 0 0 0 0 0 0 GICv3 635 Level 888000.i2c
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141: 0 0 0 0 0 0 0 0 GICv3 386 Level a84000.i2c
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142: 120 0 0 0 0 0 0 0 GICv3 388 Level a8c000.i2c
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samsung-a715f:~$ cat /proc/interrupts | grep -i dma
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133: 1061 0 0 0 0 0 0 0 GICv3 311 Level gpi-dma
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```
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### Android
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```
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a71:/ # cat /proc/interrupts | grep -i -e dma -e i2c
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18: 1141 0 0 0 0 0 0 0 PDC-GIC 311 Level gpi_dmaa00000_gpii0
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114: 941 0 0 0 0 0 0 0 PDC-GIC 633 Level i2c_geni
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115: 1198 0 0 0 0 0 0 0 PDC-GIC 635 Level i2c_geni
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119: 0 0 0 0 0 0 0 0 PDC-GIC 386 Level i2c_geni
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139: 0 0 0 0 0 0 0 0 PDC-GIC 507 Edge jpegdma
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```
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