[PATCH v6 0/3] PCI: IPQ6018 platform support

[Baruch Siach]

Hi Bjorn,

[ Changed codeaurora.com addresses to their quicinc.com equivalents ]

On Wed, Jun 08 2022, Bjorn Helgaas wrote:
> [+cc Stanimir, beginning of thread at
> https://lore.kernel.org/r/cover.1644234441.git.baruch@tkos.co.il]
>
> On Tue, Jun 07, 2022 at 03:12:19PM +0200, Robert Marko wrote:
>> On Wed, May 11, 2022 at 4:03 PM Lorenzo Pieralisi
>> <lorenzo.pieralisi at arm.com> wrote:
>> >
>> > On Tue, Apr 12, 2022 at 05:12:59PM +0100, Lorenzo Pieralisi wrote:
>> > > On Mon, Feb 07, 2022 at 04:51:23PM +0200, Baruch Siach wrote:
>> > > > This series adds support for the single PCIe lane on IPQ6018 SoCs. The code is
>> > > > ported from downstream Codeaurora v5.4 kernel. The main difference from
>> > > > downstream code is the split of PCIe registers configuration from .init to
>> > > > .post_init, since it requires phy_power_on().
>> > > >
>> > > > Tested on IPQ6010 based hardware.
>> > > >
>> > > > Changes in v6:
>> > > >
>> > > >   * Drop DT patch applied to the qcom tree
>> > > >
>> > > >   * Normalize driver changes subject line
>> > > >
>> > > >   * Add a preparatory patch to rename PCIE_CAP_LINK1_VAL to PCIE_CAP_SLOT_VAL,
>> > > >     and define it using PCI_EXP_SLTCAP_* macros
>> > > >
>> > > >   * Drop a vague comment about ASPM configuration
>> > > >
>> > > >   * Add a comment about the source of delay periods
>> > > >
>> > > > Changes in v5:
>> > > >
>> > > >   * Remove comments from qcom_pcie_init_2_9_0() (Bjorn Andersson)
>> > > >
>> > > > Changes in v4:
>> > > >
>> > > >   * Drop applied DT bits
>> > > >
>> > > >   * Add max-link-speed that was missing from the applied v2 patch
>> > > >
>> > > >   * Rebase the driver on v5.16-rc3
>> > > >
>> > > > Changes in v3:
>> > > >
>> > > >   * Drop applied patches
>> > > >
>> > > >   * Rely on generic code for speed setup
>> > > >
>> > > >   * Drop unused macros
>> > > >
>> > > >   * Formatting fixes
>> > > >
>> > > > Changes in v2:
>> > > >
>> > > >   * Add patch moving GEN3_RELATED macros to a common header
>> > > >
>> > > >   * Drop ATU configuration from pcie-qcom
>> > > >
>> > > >   * Remove local definition of common registers
>> > > >
>> > > >   * Use bulk clk and reset APIs
>> > > >
>> > > >   * Remove msi-parent from device-tree
>> > > >
>> > > > Baruch Siach (2):
>> > > >   PCI: dwc: tegra: move GEN3_RELATED DBI register to common header
>> > > >   PCI: qcom: Define slot capabilities using PCI_EXP_SLTCAP_*
>> > > >
>> > > > Selvam Sathappan Periakaruppan (1):
>> > > >   PCI: qcom: Add IPQ60xx support
>> > > >
>> > > >  drivers/pci/controller/dwc/pcie-designware.h |   7 +
>> > > >  drivers/pci/controller/dwc/pcie-qcom.c       | 155 ++++++++++++++++++-
>> > > >  drivers/pci/controller/dwc/pcie-tegra194.c   |   6 -
>> > > >  3 files changed, 160 insertions(+), 8 deletions(-)
>> > >
>> > > Hi Bjorn, Andy,
>> > >
>> > > any feedback on this series please ?
>> >
>> > Any feedback on these patches please ?
>> 
>> Finally dug the CP01, and for me, it works, so:
>> Tested-by: Robert Marko <robert.marko at sartura.hr>
>
> This mainly affects pcie-qcom.c, so it looks like Stanimir should have
> been copied on this, but wasn't.  Please include him on the next
> iteration.

I somehow missed the pcie-qcom.c standalone entry in MAINTAINERS because
the same file also appears on the general qcom entry. I'll add him on
v7. Hopefully that will improve the fortune of this series.

> This will also need to be updated to apply on v5.19-rc1:
>
>   03:21:47 ~/linux (next)$ git checkout -b wip/baruch-ipq6018-v6 v5.19-rc1
>   Switched to a new branch 'wip/baruch-ipq6018-v6'
>   03:21:55 ~/linux (wip/baruch-ipq6018-v6)$ git am m/v6_20220207_baruch_pci_ipq6018_platform_support.mbx
>   Applying: PCI: dwc: tegra: move GEN3_RELATED DBI register to common header
>   Applying: PCI: qcom: Define slot capabilities using PCI_EXP_SLTCAP_*
>   Applying: PCI: qcom: Add IPQ60xx support
>   error: patch failed: drivers/pci/controller/dwc/pcie-qcom.c:1531
>   error: drivers/pci/controller/dwc/pcie-qcom.c: patch does not apply
>   Patch failed at 0003 PCI: qcom: Add IPQ60xx support

I'll rebase on v5.19-rc1.

baruch

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