On 5/12/26 8:12 AM, Praveen Talari wrote: > Add tracepoints to the Qualcomm GENI (Generic Interface) SPI driver. > These trace events enable runtime debugging and performance analysis > of SPI operations. > > The trace events capture SPI clock configuration, FIFO parameters, > transfer details, interrupt status. > > Usage examples: > > Enable all SPI traces: > echo 1 > /sys/kernel/tracing/events/spi/enable > echo 1 > /sys/kernel/debug/tracing/events/qcom_geni_spi/enable > cat /sys/kernel/debug/tracing/trace_pipe > > Example trace output: > > 1003.956560: spi_message_submit: spi16.0 000000001b20b93c > 1003.956642: spi_controller_busy: spi16 > 1003.956643: spi_message_start: spi16.0 000000001b20b93c > 1003.956646: geni_spi_fifo_params: 888000.spi: cs=0 mode=0x00000020 > mode_changed=0x00000007 cs_changed=0 > 1003.956647: spi_set_cs: spi16.0 activate > 1003.956648: spi_transfer_start: spi16.0 00000000ea1cf8b6 len=16 > tx=[4c-80-e4-ca-68-4d-95-aa-ee-99-ae-d7-69-e9-5f-39] > rx=[00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00] > 1003.956653: geni_spi_clk_cfg: 888000.spi: req_hz=20000000 > sclk_hz=100000000 clk_idx=5 clk_div=5 bpw=8 > 1003.956691: geni_spi_transfer: 888000.spi: len=16 m_cmd=0x00000003 > 1003.956708: geni_spi_irq: 888000.spi: m_irq=0x08000081 > dma_tx=0x00000000 dma_rx=0x00000000 > 1003.956717: spi_transfer_stop: spi16.0 00000000ea1cf8b6 len=16 > tx=[4c-80-e4-ca-68-4d-95-aa-ee-99-ae-d7-69-e9-5f-39] > rx=[4c-80-e4-ca-68-4d-95-aa-ee-99-ae-d7-69-e9-5f-39] > 1003.956717: spi_set_cs: spi16.0 deactivate > 1003.956718: spi_message_done: spi16.0 000000001b20b93c len=16/16
Same feedback regarding this part of the commit message as on the UART patch Reviewed-by: Konrad Dybcio <[email protected]> Konrad
