On Wed, Jul 19, 2017 at 05:55:11PM +0800, Shawn Lin wrote: > > This patchset is trying to reconstruct PCIe and PCIe-PHY driver > for rockchip platform in order to support per-lane PHY mode. And > we could idle the inactive lane(s) finally. > > We deprecate the legacy PHY mode but the code could still > support it in order not to break backware compatibility of DTB. And I > organize the patches carefully so that we don't introduce git-bisect > issue. > > Patchset was reviewed by Brian and fully tested by Jeffy. Rob acked > patch 6 & 7. Kishon acked patch 1, 2 and 4, and will ack patch 3 once > this patch 3 of v5 looks good. > > Patch 5 for DTS changes for Rockchip part still need ack from Heiko, and > it would be fine for Heiko to pick it up after pcie and pcie-phy changes > got merged. > > It would be fine for Bjorn to pick all these patches up to narrow down > the timing gap for testing linux-next. :) > > > Changes in v5: > - don't create more number of phys if it's legacy PHY model > > Changes in v4: > - use err variable to check return value of > rockchip_pcie_get_phys > - add Brian's tag > - move rockchip_pcie_get_phys to where it stands in > patch 1. > - print PHY index in err output log > - return u8 for rockchip_pcie_lane_map > > Changes in v3: > - kill rockchip_pcie_manipulate_phys and related stuff > - use phys array > - improve the commit msg > - remove unnecessary forward declaration > - keep mutex inside struct rockchip_pcie_phy > - fix wrong check of args number > - move de-idle lanes after deasserting the reset > - use cached lanes_map to avoid powering off inactive > lanes twice > - rename the commit tile > > Changes in v2: > - deprecate legacy PHY model > - improve rockchip_pcie_phy_of_xlate > - fix wrong calculation of pwr_cnt and add new init_cnt > - add internal locking > - introduce per-lane data to simply the code > > Shawn Lin (7): > PCI: rockchip: split out rockchip_pcie_get_phys > PCI: rockchip: introduce per-lanes PHYs support > phy: rockcip-pcie: reconstruct driver to support per-lane PHYs > PCI: rockchip: idle the inactive PHY(s) > arm64: dts: rockchip: convert PCIe to use per-lane PHYs for rk3339 > dt-bindings: PCI: rockchip: convert to use per-lane PHY model > dt-bindings: phy: convert to use per-lane Rockchip PCIe PHY > > .../devicetree/bindings/pci/rockchip-pcie.txt | 25 +++- > .../devicetree/bindings/phy/rockchip-pcie-phy.txt | 7 +- > arch/arm64/boot/dts/rockchip/rk3399.dtsi | 8 +- > drivers/pci/host/pcie-rockchip.c | 122 +++++++++++++++---- > drivers/phy/rockchip/phy-rockchip-pcie.c | 132 ++++++++++++++++++--- > 5 files changed, 253 insertions(+), 41 deletions(-) Applied with Kishon's ack on 3/7 to pci/host-rockchip for v4.14. Thanks for all your work on these, Shawn!
