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DhruvaG2000/main_uart wakeup

Created May 4, 2023 05:48
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main_uart appears in cat proc interrupts and wake en bit is set as well (AM62x SK EVM)
Raw
main_uart wakeup
root@am62xx-evm:~# cat /dev/ttyS3 &
[2] 1181
root@am62xx-evm:~# cat /proc/interrupts
CPU0 CPU1 CPU2 CPU3
11: 11428 13904 12970 12276 GICv3 30 Level arch_timer
14: 0 0 0 0 GICv3 23 Level arm-pmu
15: 0 0 0 0 GICv3 132 Level 2b1f0000.rtc
16: 5475 0 0 0 GICv3 66 Level 4d000000.mailbox thr_012
17: 0 0 0 0 GICv3 130 Level pinctrl
26: 975 0 0 0 GICv3 211 Level 2810000.serial, 2800000.serial
27: 0 0 0 0 GICv3 193 Level 20000000.i2c
28: 47 0 0 0 GICv3 194 Level 20010000.i2c
29: 0 0 0 0 GICv3 204 Level 20100000.spi
30: 0 0 0 0 GICv3 205 Level 20110000.spi
31: 0 0 0 0 GICv3 206 Level 20120000.spi
32: 579 0 0 0 GICv3 165 Level mmc0
33: 8791 0 0 0 GICv3 115 Level mmc1
34: 149 0 0 0 GICv3 114 Level mmc2
36: 2 0 0 0 GICv3 171 Level fc40000.spi
37: 0 0 0 0 GICv3 116 Level tidss
41: 0 0 0 0 GICv3 270 Level 2b10000.mcasp_tx
42: 0 0 0 0 GICv3 269 Level 2b10000.mcasp_rx
43: 0 0 0 0 GICv3 138 Level gpmc
44: 0 0 0 0 GICv3 164 Level 25010000.ecc
45: 162 0 0 0 MSI-INTA 1713152 Level 485c0100.dma-controller chan0
63: 0 0 0 0 MSI-INTA 1714176 Edge 485c0100.dma-controller chan1
75: 0 0 0 0 MSI-INTA 1714688 Level 485c0100.dma-controller chan1
93: 0 0 0 0 MSI-INTA 1715718 Edge 485c0100.dma-controller chan2
111: 0 0 0 0 MSI-INTA 1716230 Level 485c0100.dma-controller chan2
133: 0 0 0 0 MSI-INTA 1970707 Level 8000000.ethernet-tx0
223: 0 0 0 0 MSI-INTA 1971731 Level 8000000.ethernet
255: 0 0 0 0 pinctrl 456 Edge 2800000.serial:wakeup
257: 0 0 0 0 GICv3 134 Level 8000000.ethernet
386: 0 0 0 0 GPIO 23 Edge -davinci_gpio 1-0022
451: 0 0 0 0 1-0022 16 Edge 1-003b
IPI0: 1015 2370 6973 2440 Rescheduling interrupts
IPI1: 1484 311 1039 185 Function call interrupts
IPI2: 0 0 0 0 CPU stop interrupts
IPI3: 0 0 0 0 CPU stop (for crash dump) interrupts
IPI4: 0 0 0 0 Timer broadcast interrupts
IPI5: 0 0 0 0 IRQ work interrupts
IPI6: 0 0 0 0 CPU wake-up interrupts
Err: 0
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