[v4,0/7] Add some enhancements for i.MX95 PCIe

Message

Richard Zhu April 3, 2025, 5:39 a.m. UTC

v4 changes:
- Add another patch to skip one dw_pcie_wait_for_link() in the workaround link
  training refer to Mani' suggestion.
- Rephrase the comments in "PCI: imx6: Toggle the cold reset for i.MX95 PCIe".
- Correct the error return in "PCI: imx6: Add PLL clock lock check for i.MX95 PCIe".
- Collect and add the Reviewd-by tags.

v3 changes:
- Correct the typo error in first patch, and update the commit message of
  #1 and #6 pathes.
- Use a quirk flag to specify the errata workaround contained in post_init.

v2 changes:
- Correct typo error, and update commit message.
- Replace regmap_update_bits() by regmap_set_bits/regmap_clear_bits.
- Use post_init callback of dw_pcie_host_ops.
- Add one more PLL lock check patch.
- Reformat LUT save and restore functions.

[PATCH v4 1/7] PCI: imx6: Start link directly when workaround is not
[PATCH v4 2/7] PCI: imx6: Skip one dw_pcie_wait_for_link() in
[PATCH v4 3/7] PCI: imx6: Toggle the cold reset for i.MX95 PCIe
[PATCH v4 4/7] PCI: imx6: Workaround i.MX95 PCIe may not exit L23
[PATCH v4 5/7] PCI: imx6: Let i.MX95 PCIe compliance with 8GT/s
[PATCH v4 6/7] PCI: imx6: Add PLL clock lock check for i.MX95 PCIe
[PATCH v4 7/7] PCI: imx6: Save and restore the LUT setting for i.MX95

drivers/pci/controller/dwc/pci-imx6.c | 212 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------------------
1 file changed, 179 insertions(+), 33 deletions(-)