linux-kernel - [PATCH v2 00/10] PCI/treewide: PCIe capability access cleanups

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Message-Id: <20230913122748.29530-1-ilpo.jarvinen@linux.intel.com>
Date:   Wed, 13 Sep 2023 15:27:38 +0300
From:   Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To:     Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        linux-pci@...r.kernel.org, Bjorn Helgaas <helgaas@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH v2 00/10] PCI/treewide: PCIe capability access cleanups

Instead of custom code to extract the PCIe capabilities, make the code
more obvious using FIELD_GET/PREP().

Also cleanup some duplicated defines in e1000e.

I've only put Jonathan's Reviewed-by to patches I didn't modify
significantly.

This is just a step into the right direction, there's plenty of places
still to cleanup which will have to wait for another patch series.

v2:
- Remove extract_width() and use FIELD_GET() directly (IB/hfi1)
- Convert other fields beside Link Width ones
- Remove useless u8 casts (scsi: esas2r)
- e1000e:
        - Remove defines that duplicate pci_regs.h ones
        - Convert to pcie_capability_read_word()

Ilpo Järvinen (10):
  IB/hfi1: Use FIELD_GET() to extract Link Width
  media: cobalt: Use FIELD_GET() to extract Link Width
  igb: Use FIELD_GET() to extract Link Width
  PCI: tegra194: Use FIELD_GET()/FIELD_PREP() with Link Width fields
  PCI: mvebu: Use FIELD_PREP() with Link Width
  PCI: Use FIELD_GET() to extract Link Width
  scsi: esas2r: Use FIELD_GET() to extract PCIe capability fields
  scsi: qla2xxx: Use FIELD_GET() to extract PCIe capability fields
  e1000e: Use PCI_EXP_LNKSTA_NLW & FIELD_GET() instead of custom
    defines/code
  e1000e: Use pcie_capability_read_word() for reading LNKSTA

 drivers/infiniband/hw/hfi1/pcie.c           |  9 ++-------
 drivers/media/pci/cobalt/cobalt-driver.c    | 11 ++++++-----
 drivers/net/ethernet/intel/e1000e/defines.h |  3 ---
 drivers/net/ethernet/intel/e1000e/mac.c     | 17 ++++++++---------
 drivers/net/ethernet/intel/igb/e1000_mac.c  |  6 +++---
 drivers/pci/controller/dwc/pcie-tegra194.c  |  9 ++++-----
 drivers/pci/controller/pci-mvebu.c          |  2 +-
 drivers/pci/pci-sysfs.c                     |  5 ++---
 drivers/pci/pci.c                           |  6 +++---
 drivers/scsi/esas2r/esas2r_ioctl.c          | 16 ++++++----------
 drivers/scsi/qla2xxx/qla_os.c               |  5 +++--
 11 files changed, 38 insertions(+), 51 deletions(-)

-- 
2.30.2