This series adds tracepoint support to the Qualcomm GPI DMA engine
driver, giving structured runtime visibility into GPI DMA behavior
without requiring invasive debug patches.

Patch 1 adds the qcom_gpi trace events header (private to the driver,
in drivers/dma/qcom/gpi_trace.h) and wires the tracepoints into the
driver alongside the existing dev_dbg() calls.

Patch 2 converts the remaining dev_dbg() call sites in the driver to
use the new tracepoints instead.

Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com>
---
Changes in v3:
- Move the qcom_gpi trace events header from
  include/trace/events/qcom_gpi.h into drivers/dma/qcom/gpi_trace.h,
  since it has no users outside the GPI DMA driver, and squash it
  into the tracepoint-wiring patch.
- Drop the redundant per-function breakdown paragraph from the
  dev_dbg()-to-tracepoint conversion patch; the first paragraph
  already describes the change.
- Link to v2: https://patch.msgid.link/20260909-add-trace-support-gpio-v2-0-01f81739bb88@oss.qualcomm.com

Changes in v2:
- Reorder TP_STRUCT__entry() fields in gpi_ev_process, gpi_alloc_ring,
  and gpi_ring_info to avoid holes: 8/16-bit fields moved to the end,
  and 64-bit/size_t fields moved before the __string() field (treating
  __string() as 4 bytes of metadata). (Steven Rostedt)
- Link to v1: https://patch.msgid.link/20260831-add-trace-support-gpio-v1-0-7b0fd0d0ddb3@oss.qualcomm.com

---
Praveen Talari (2):
      dmaengine: qcom: gpi: Add trace event support
      dmaengine: qcom: gpi: Convert dev_dbg() calls to tracepoints

 drivers/dma/qcom/gpi.c       |  69 ++++------
 drivers/dma/qcom/gpi_trace.h | 317 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 344 insertions(+), 42 deletions(-)
---
base-commit: 4c253ac4b29b8c6cc6fdef8f92d4facde62e63b9
change-id: 20260831-add-trace-support-gpio-99eb54d42729

Best regards,
--  
Praveen Talari <praveen.talari@oss.qualcomm.com>