linux-kernel - Re: [PATCH v16 15/22] PCI: microchip: Add event irqchip field to host port and add PLDA irqchip

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Message-ID:
 <BJXPR01MB0855EFC06D44A450CB56E3E2E61AA@BJXPR01MB0855.CHNPR01.prod.partner.outlook.cn>
Date: Tue, 30 Apr 2024 01:10:37 +0000
From: Minda Chen <minda.chen@...rfivetech.com>
To: Minda Chen <minda.chen@...rfivetech.com>, Lorenzo Pieralisi
	<lpieralisi@...nel.org>, Conor Dooley <conor@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>, Rob Herring
	<robh+dt@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, Thomas Gleixner
	<tglx@...utronix.de>, Daire McNamara <daire.mcnamara@...rochip.com>, Emil
 Renner Berthing <emil.renner.berthing@...onical.com>, Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>
CC: "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>, Paul Walmsley
	<paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, Albert Ou
	<aou@...s.berkeley.edu>, Philipp Zabel <p.zabel@...gutronix.de>, Mason Huo
	<mason.huo@...rfivetech.com>, Leyfoon Tan <leyfoon.tan@...rfivetech.com>,
	Kevin Xie <kevin.xie@...rfivetech.com>
Subject: Re: [PATCH v16 15/22] PCI: microchip: Add event irqchip field to host
 port and add PLDA irqchip


> 
> 
> >
> > As PLDA dts binding doc(Documentation/devicetree/bindings/pci/
> > plda,xpressrich3-axi-common.yaml) showed, PLDA PCIe contains an
> > interrupt controller.
> >
> > Microchip PolarFire PCIE event IRQs includes PLDA interrupts and
> > Polarfire additional interrupts. The interrupt irqchip ops includes
> > ack/mask/unmask interrupt ops, which will write correct registers.
> > Microchip Polarfire PCIe additional interrupts require to write
> > Polarfire SoC self-defined registers. So Microchip PCIe event irqchip ops can
> not be re-used.
> >
> > Microchip Polarfire PCIe additional intrerrupts:
> > (defined in drivers/pci/controller/plda/pcie-microchip-host.c)
> > EVENT_PCIE_L2_EXIT
> > EVENT_PCIE_HOTRST_EXIT
> > EVENT_PCIE_DLUP_EXIT
> > EVENT_SEC_TX_RAM_SEC_ERR
> > EVENT_SEC_RX_RAM_SEC_ERR
> > ....
> >
> > To support PLDA its own event IRQ process, implements PLDA irqchip ops
> > and add event irqchip field to struct pcie_plda_rp.
> >
>Hi Thomas
>   Could you review this patch? Thanks.
> 
Hi Thomas
  Previous Lorrenzo ask you to review this patch. The PLDA PCIe interrupt register
can be seen in the patch.

All:
   Sorry to resend this.

Minda