Re: [PATCH v4 0/14] Add i.MX PCIe EP mode support

[Lorenzo Pieralisi <lpieralisi@kernel.org>]

On Tue, Nov 15, 2022 at 04:42:30AM +0000, Hongxing Zhu wrote:
> Ping.
> Almost one month pass away after this re-send of v4 series. 
> Any comments?

Can you rebase on top of v6.2-rc1 and resend it please ? I will merge
the dt bindings and PCI changes then.

Thanks,
Lorenzo

> Thanks.
> Best Regards
> Richard Zhu
> 
> > -----Original Message-----
> > From: Richard Zhu <hongxing.zhu@nxp.com>
> > Sent: 2022年10月24日 16:06
> > To: l.stach@pengutronix.de; bhelgaas@google.com; robh+dt@kernel.org;
> > lorenzo.pieralisi@arm.com; shawnguo@kernel.org; kishon@ti.com;
> > kw@linux.com; Frank Li <frank.li@nxp.com>
> > Cc: Hongxing Zhu <hongxing.zhu@nxp.com>; linux-pci@vger.kernel.org;
> > devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org;
> > linux-kernel@vger.kernel.org; kernel@pengutronix.de; dl-linux-imx
> > <linux-imx@nxp.com>
> > Subject: [PATCH v4 0/14] Add i.MX PCIe EP mode support
> > 
> > i.MX PCIe controller is one dual mode PCIe controller, and can work either as
> > RC or EP.
> > 
> > This series add the i.MX PCIe EP mode support. And had been verified on
> > i.MX8MQ, i.MX8MM EVK and i.MX8MP EVK boards.
> > 
> > In the verification, one EVK board used as RC, the other one used as EP.
> > Use the cross TX/RX differential cable connect the two PCIe ports of these two
> > EVK boards.
> > 
> > +-----------+                +------------+
> > |   PCIe TX |<-------------->|PCIe RX     |
> > |           |                |            |
> > |EVK Board  |                |EVK Board   |
> > |           |                |            |
> > |   PCIe RX |<-------------->|PCIe TX     |
> > +-----------+                +------------+
> > 
> > NOTE:
> > Re-base to 6.1-rc1, and re-send the v4 series.
> > BTW, the following PHY changes [1] is required when apply this series.
> > 
> > [1]
> > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatchw
> > ork.kernel.org%2Fproject%2Flinux-pci%2Fcover%2F1665625622-20551-1-git-s
> > end-email-hongxing.zhu%40nxp.com%2F&amp;data=05%7C01%7Chongxing.z
> > hu%40nxp.com%7C80b50b3789f9433f62e008dab5998a09%7C686ea1d3bc2b
> > 4c6fa92cd99c5c301635%7C0%7C0%7C638021968298265067%7CUnknown%
> > 7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwi
> > LCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=j70ORNKBvTCjWtJzS375
> > TvuQfCGrVRQNbxS%2BhrGI0ZA%3D&amp;reserved=0
> > 
> > Main changes from v3 -> v4:
> > - Add the Rob's ACK in the dt-binding patch.
> > - Use "i.MX" to keep spell consistent.
> > - Squash generic endpoint infrastructure changes of
> >   "[12/14] PCI: imx6: Add iMX8MM PCIe EP mode" into Kconfig changes.
> > 
> > Main changes from v2 -> v3:
> > - Add the i.MX8MP PCIe EP support, and verified on i.MX8MP EVK board.
> > - Rebase to latest pci/next branch(tag: v6.0-rc1 plus some PCIe changes).
> > 
> > Main changes from v1 -> v2:
> > - Add Rob's ACK into first two commits.
> > - Rebase to the tag: pci-v5.20-changes of the pci/next branch.
> > 
> > Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml |   3 ++
> > arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi             |  14 ++++++
> > arch/arm64/boot/dts/freescale/imx8mm.dtsi                 |  20
> > +++++++++
> > arch/arm64/boot/dts/freescale/imx8mp-evk.dts              |  13 ++++++
> > arch/arm64/boot/dts/freescale/imx8mp.dtsi                 |  19
> > ++++++++
> > arch/arm64/boot/dts/freescale/imx8mq-evk.dts              |  12 ++++++
> > arch/arm64/boot/dts/freescale/imx8mq.dtsi                 |  27
> > ++++++++++++
> > drivers/misc/pci_endpoint_test.c                          |   2 +
> > drivers/pci/controller/dwc/Kconfig                        |  23
> > +++++++++-
> > drivers/pci/controller/dwc/pci-imx6.c                     | 200
> > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > ++++++++++++++++--------
> > 10 files changed, 314 insertions(+), 19 deletions(-)
> > 
> > [RESEND v4 01/14] dt-bindings: imx6q-pcie: Add i.MX8MM PCIe EP mode
> > [RESEND v4 02/14] dt-bindings: imx6q-pcie: Add i.MX8MQ PCIe EP mode
> > [RESEND v4 03/14] dt-bindings: imx6q-pcie: Add i.MX8MP PCIe EP mode
> > [RESEND v4 04/14] arm64: dts: Add i.MX8MM PCIe EP support [RESEND v4
> > 05/14] arm64: dts: Add i.MX8MM PCIe EP support on EVK [RESEND v4 06/14]
> > arm64: dts: Add i.MX8MQ PCIe EP support [RESEND v4 07/14] arm64: dts:
> > Add i.MX8MQ PCIe EP support on EVK [RESEND v4 08/14] arm64: dts: Add
> > i.MX8MP PCIe EP support [RESEND v4 09/14] arm64: dts: Add i.MX8MP PCIe
> > EP support on EVK [RESEND v4 10/14] misc: pci_endpoint_test: Add i.MX8
> > PCIe EP device [RESEND v4 11/14] PCI: imx6: Add i.MX PCIe EP mode support
> > [RESEND v4 12/14] PCI: imx6: Add i.MX8MQ PCIe EP support [RESEND v4
> > 13/14] PCI: imx6: Add i.MX8MM PCIe EP support [RESEND v4 14/14] PCI: imx6:
> > Add i.MX8MP PCIe EP support

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