linux-kernel - [PATCH v2 0/3] PCIe: Refactor link speed configuration with unified macro

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Message-Id: <20250607155545.806496-1-18255117159@163.com>
Date: Sat,  7 Jun 2025 23:55:42 +0800
From: Hans Zhang <18255117159@....com>
To: bhelgaas@...gle.com,
	lpieralisi@...nel.org,
	kw@...ux.com,
	kwilczynski@...nel.org,
	mani@...nel.org,
	ilpo.jarvinen@...ux.intel.com,
	jingoohan1@...il.com
Cc: robh@...nel.org,
	linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Hans Zhang <18255117159@....com>
Subject: [PATCH v2 0/3] PCIe: Refactor link speed configuration with unified macro

This series standardizes PCIe link speed handling across multiple drivers
by introducing a common conversion macro PCIE_SPEED2LNKCTL2_TLS(). The
changes eliminate redundant speed-to-register mappings and simplify code
maintenance:

The refactoring improves code consistency and reduces conditional
branching, while maintaining full backward compatibility with existing
speed settings.

---
Changes for v2:
- s/PCIE_SPEED2LNKCTL2_TLS_ENC/PCIE_SPEED2LNKCTL2_TLS
- The patch commit message were modified.
---

Hans Zhang (3):
  PCI: Add PCIE_SPEED2LNKCTL2_TLS conversion macro
  PCI: dwc: Simplify link speed configuration with macro
  PCI/bwctrl: Replace legacy speed conversion with shared macro

 drivers/pci/controller/dwc/pcie-designware.c | 18 +++---------------
 drivers/pci/pci.h                            |  9 +++++++++
 drivers/pci/pcie/bwctrl.c                    | 19 +------------------
 3 files changed, 13 insertions(+), 33 deletions(-)


base-commit: ec7714e4947909190ffb3041a03311a975350fe0
-- 
2.25.1