|SUCCESS| drivers/dma: cleanup PCI probing in Intel drivers

[dpdklab at iol.unh.edu]

Test-Label: ai-code-review
Test-Status: SUCCESS
https://dpdk.org/patch/170971

_AI Code Review_

=== Patch Review: series.patch (via Claude) ===
Review date: 2026-10-09

# DPDK Patch Review

## Patch Summary
This patch removes redundant driver reference assignments in Intel DMA drivers (idxd and ioat), as this is now handled by the EAL bus layer.

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## Findings

### **No Issues Found**

This patch is a straightforward cleanup that:
1. Removes the now-redundant `dev->device.driver = &drv->driver;` assignments
2. Marks the unused `drv` parameter with `__rte_unused` (correct style)
3. Properly references the factorization commit in the Fixes tag

The changes are consistent with the stated purpose and follow DPDK coding standards.

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## Verification Checklist

- [x] **Correctness**: No resource leaks, use-after-free, or race conditions introduced
- [x] **Code Style**: Proper use of `__rte_unused`, no forbidden tokens
- [x] **Compilation**: Each file change is self-contained and will compile independently
- [x] **API Compatibility**: No API changes (internal driver probe functions only)
- [x] **Documentation**: Not required for internal cleanup
- [x] **Release Notes**: Not required for internal refactoring

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## Conclusion

**Status: APPROVED**

This is a correct and appropriate cleanup patch. The removal of `dev->device.driver` assignments is safe because the EAL bus layer now handles this assignment before calling the driver's probe function, as indicated by the referenced commit `f282771a04ef`.