[PATCH v3 0/2] Add trace events for Qualcomm GENI SPI drivers

Praveen Talari posted 2 patches 6 days, 10 hours ago
drivers/spi/spi-geni-qcom.c          |  13 +++++
include/trace/events/qcom_geni_spi.h | 103 +++++++++++++++++++++++++++++++++++
2 files changed, 116 insertions(+)
[PATCH v3 0/2] Add trace events for Qualcomm GENI SPI drivers
Posted by Praveen Talari 6 days, 10 hours ago
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, setup 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_setup_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

Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com>
---
Changes in v3:
- Replaced geni_spi_fifo_params with geni_spi_setup_params trace event.
- Updated commit text.
- Link to v2: https://lore.kernel.org/r/20260512-add-tracepoints-for-qcom-geni-spi-v2-0-3b184068ecf9@oss.qualcomm.com

Changes in v2:
- Removed tx/rx data capture since spi core had already support.
- Updated commit text in patches and cover letter.
- Link to v1: https://lore.kernel.org/r/20260506-add-tracepoints-for-qcom-geni-spi-v1-0-c957cfe712d1@oss.qualcomm.com

---
Praveen Talari (2):
      spi: qcom-geni: trace: Add trace events for Qualcomm GENI SPI
      spi: qcom-geni: Add trace events for Qualcomm GENI SPI driver

 drivers/spi/spi-geni-qcom.c          |  13 +++++
 include/trace/events/qcom_geni_spi.h | 103 +++++++++++++++++++++++++++++++++++
 2 files changed, 116 insertions(+)
---
base-commit: 1f5ffc672165ff851063a5fd044b727ab2517ae3
change-id: 20260506-add-tracepoints-for-qcom-geni-spi-e31457c2267c

Best regards,
-- 
Praveen Talari <praveen.talari@oss.qualcomm.com>
Re: [PATCH v3 0/2] Add trace events for Qualcomm GENI SPI drivers
Posted by Mark Brown 5 days, 14 hours ago
On Mon, 18 May 2026 22:30:50 +0530, Praveen Talari wrote:
> Add trace events for Qualcomm GENI SPI drivers
> 
> 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, setup parameters,
> transfer details, interrupt status.
> 
> [...]

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-7.2

Thanks!

[1/2] spi: qcom-geni: trace: Add trace events for Qualcomm GENI SPI
      https://git.kernel.org/broonie/spi/c/bf62d130b1f2
[2/2] spi: qcom-geni: Add trace events for Qualcomm GENI SPI driver
      https://git.kernel.org/broonie/spi/c/b5687af4af89

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark