From: sashiko-bot@kernel.org
To: "Koichiro Den" <den@valinux.co.jp>
Cc: ntb@lists.linux.dev, linux-pci@vger.kernel.org
Subject: Re: [PATCH v2 2/3] PCI: dw-rockchip: Support fixed MSI-X table and PBA on RK3588
Date: Sun, 30 Aug 2026 15:28:28 +0000 [thread overview]
Message-ID: <20260830152828.A468D1F000E9@smtp.kernel.org> (raw)
In-Reply-To: <20260830151948.3547577-3-den@valinux.co.jp>
> The RK3588 PCIe endpoint controller exposes its MSI-X table at
> BAR4+0x4000 and its PBA at BAR4+0x5000. Describe both as reserved regions
> so EPF drivers can select the hardware-owned layout.
>
> The regular DesignWare MSI-X interrupt path reads an EPF-owned table
> through epf_bar[]. A reserved, hardware-owned table has no such backing.
> Record whether the layout selected for each function matches the
> hardware-owned layout, and use the controller MSI-X doorbell on RK3588
> only in that case. Continue to use the regular path for EPF-owned
> layouts.
>
> Signed-off-by: Koichiro Den <den@valinux.co.jp>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260830151948.3547577-1-den@valinux.co.jp?part=2
next prev parent reply other threads:[~2026-08-30 15:28 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-30 15:19 [PATCH v2 0/3] PCI: endpoint: Support hardware-owned MSI-X table and PBA Koichiro Den
2026-08-30 15:19 ` Koichiro Den
2026-08-30 15:19 ` [PATCH v2 1/3] " Koichiro Den
2026-08-30 15:19 ` Koichiro Den
2026-08-30 15:32 ` sashiko-bot
2026-08-30 15:19 ` [PATCH v2 2/3] PCI: dw-rockchip: Support fixed MSI-X table and PBA on RK3588 Koichiro Den
2026-08-30 15:19 ` Koichiro Den
2026-08-30 15:28 ` sashiko-bot [this message]
2026-08-30 15:19 ` [PATCH v2 3/3] PCI: endpoint: pci-epf-vntb: Honor MSI-X selection Koichiro Den
2026-08-30 15:19 ` Koichiro Den
2026-08-30 15:36 ` sashiko-bot
2026-08-31 10:24 ` [PATCH v2 0/3] PCI: endpoint: Support hardware-owned MSI-X table and PBA Niklas Cassel
2026-08-31 10:24 ` Niklas Cassel
2026-08-31 16:11 ` Koichiro Den
2026-08-31 16:11 ` Koichiro Den
2026-08-31 20:01 ` Niklas Cassel
2026-08-31 20:01 ` Niklas Cassel
2026-09-02 2:14 ` Koichiro Den
2026-09-02 2:14 ` Koichiro Den
2026-09-02 7:25 ` Niklas Cassel
2026-09-02 7:25 ` Niklas Cassel
2026-09-03 7:56 ` Koichiro Den
2026-09-03 7:56 ` Koichiro Den
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