linux-kernel - Re: (subset) [PATCH v21 0/9] PCI: EP: Add RC-to-EP doorbell with platform MSI controller

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Message-ID: <175310419611.11873.17918717791350182486.b4-ty@kernel.org>
Date: Mon, 21 Jul 2025 18:55:05 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@....qualcomm.com>
To: Kishon Vijay Abraham I <kishon@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Anup Patel <apatel@...tanamicro.com>, Marc Zyngier <maz@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Danilo Krummrich <dakr@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>, Arnd Bergmann <arnd@...db.de>,
        Shuah Khan <shuah@...nel.org>, Richard Zhu <hongxing.zhu@....com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Rob Herring <robh@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Wilczyński <kwilczynski@...nel.org>,
        Frank Li <Frank.Li@....com>
Cc: Manivannan Sadhasivam <mani@...nel.org>, Niklas Cassel <cassel@...nel.org>,
        dlemoal@...nel.org, jdmason@...zu.us, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-pci@...r.kernel.org,
        linux-kselftest@...r.kernel.org, imx@...ts.linux.dev,
        devicetree@...r.kernel.org
Subject: Re: (subset) [PATCH v21 0/9] PCI: EP: Add RC-to-EP doorbell with platform MSI controller


On Thu, 10 Jul 2025 15:13:46 -0400, Frank Li wrote:
> ┌────────────┐   ┌───────────────────────────────────┐   ┌────────────────┐
> │            │   │                                   │   │                │
> │            │   │ PCI Endpoint                      │   │ PCI Host       │
> │            │   │                                   │   │                │
> │            │◄──┤ 1.platform_msi_domain_alloc_irqs()│   │                │
> │            │   │                                   │   │                │
> │ MSI        ├──►│ 2.write_msi_msg()                 ├──►├─BAR<n>         │
> │ Controller │   │   update doorbell register address│   │                │
> │            │   │   for BAR                         │   │                │
> │            │   │                                   │   │ 3. Write BAR<n>│
> │            │◄──┼───────────────────────────────────┼───┤                │
> │            │   │                                   │   │                │
> │            ├──►│ 4.Irq Handle                      │   │                │
> │            │   │                                   │   │                │
> │            │   │                                   │   │                │
> └────────────┘   └───────────────────────────────────┘   └────────────────┘
> 
> [...]

Applied, thanks!

[1/9] PCI: imx6: Add helper function imx_pcie_add_lut_by_rid()
      commit: 9d0ca8df2451eb66a0c13a9932f348d417d9603b
[2/9] PCI: imx6: Add LUT configuration for MSI/IOMMU in Endpoint mode
      commit: 234b9258c6907cabbb2594ee366286d35ff056f3

NOTE: I've dropped the Tested-by tag from Niklas since the tag was only given
for the EP patches.

Best regards,
-- 
Manivannan Sadhasivam <mani@...nel.org>