linux-kernel - [PATCH v3 0/3] PCI: dw-rockchip: Reorganize register and bitfield definitions

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Message-Id: <20250423153214.16405-1-18255117159@163.com>
Date: Wed, 23 Apr 2025 23:32:11 +0800
From: Hans Zhang <18255117159@....com>
To: lpieralisi@...nel.org,
	kw@...ux.com,
	bhelgaas@...gle.com,
	heiko@...ech.de
Cc: manivannan.sadhasivam@...aro.org,
	robh@...nel.org,
	jingoohan1@...il.com,
	shawn.lin@...k-chips.com,
	linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	Hans Zhang <18255117159@....com>
Subject: [PATCH v3 0/3] PCI: dw-rockchip: Reorganize register and bitfield definitions

1. PCI: dw-rockchip: Remove unused PCIE_CLIENT_GENERAL_DEBUG
2. PCI: dw-rockchip: Reorganize register and bitfield definitions
3. PCI: dw-rockchip: Unify link status checks with FIELD_GET

---
Changes for v3:
- Delete the redundant Spaces in the comments of patch 2/3.

Changes for v2:
- Add register annotations to enhance readability.
- Use macro definitions instead of magic numbers.

https://patchwork.kernel.org/project/linux-pci/patch/20250416151926.140202-1-18255117159@163.com/

Bjorn Helgaas:
These would be material for a separate patch:

- The #defines for register offsets and bits are kind of a mess,
  e.g., PCIE_SMLH_LINKUP, PCIE_RDLH_LINKUP, PCIE_LINKUP,
  PCIE_L0S_ENTRY, and PCIE_LTSSM_STATUS_MASK are in
  PCIE_CLIENT_LTSSM_STATUS, but you couldn't tell that from the
  names, and they're not even defined together.

- Same for PCIE_RDLH_LINK_UP_CHGED, PCIE_LINK_REQ_RST_NOT_INT,
  PCIE_RDLH_LINK_UP_CHGED, which are in PCIE_CLIENT_INTR_STATUS_MISC.

- PCIE_LTSSM_ENABLE_ENHANCE is apparently in PCIE_CLIENT_HOT_RESET_CTRL?
  Sure wouldn't guess that from the names or the order of #defines.

- PCIE_CLIENT_GENERAL_DEBUG isn't used at all.

- Submissions based on the following v5 patches:
https://patchwork.kernel.org/project/linux-pci/patch/1744850111-236269-1-git-send-email-shawn.lin@rock-chips.com/
https://patchwork.kernel.org/project/linux-pci/patch/1744850111-236269-2-git-send-email-shawn.lin@rock-chips.com/
https://patchwork.kernel.org/project/linux-pci/patch/1744850111-236269-3-git-send-email-shawn.lin@rock-chips.com/
https://patchwork.kernel.org/project/linux-pci/patch/1744940759-23823-1-git-send-email-shawn.lin@rock-chips.com/
---

Hans Zhang (3):
  PCI: dw-rockchip: Remove unused PCIE_CLIENT_GENERAL_DEBUG
  PCI: dw-rockchip: Reorganize register and bitfield definitions
  PCI: dw-rockchip: Unify link status checks with FIELD_GET

 drivers/pci/controller/dwc/pcie-dw-rockchip.c | 87 +++++++++++--------
 1 file changed, 50 insertions(+), 37 deletions(-)


base-commit: 9d7a0577c9db35c4cc52db90bc415ea248446472
prerequisite-patch-id: 5d9f110f238212cde763b841f1337d0045d93f5b
prerequisite-patch-id: b63975b89227a41b9b6d701c9130ee342848c8b6
prerequisite-patch-id: 46f02da0db4737b46cd06cd0d25ba69b8d789f90
prerequisite-patch-id: d06e25de3658b73ad85d148728ed3948bfcec731
-- 
2.25.1