linux-kernel - Re: [PATCH v5 0/2] PCI: microchip: support using either instance 1 or 2

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Message-ID: <20241102115117.GD2260768@rocinante>
Date: Sat, 2 Nov 2024 20:51:17 +0900
From: Krzysztof Wilczyński <kw@...ux.com>
To: Conor Dooley <conor@...nel.org>
Cc: linux-pci@...r.kernel.org, Conor Dooley <conor.dooley@...rochip.com>,
	Daire McNamara <daire.mcnamara@...rochip.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v5 0/2] PCI: microchip: support using either instance 1
 or 2

Hello,

> The current driver and binding for PolarFire SoC's PCI controller assume
> that the root port instance in use is instance 1. The second reg
> property constitutes the region encompassing both "control" and "bridge"
> registers for both instances. In the driver, a fixed offset is applied to
> find the base addresses for instance 1's "control" and "bridge"
> registers. The BeagleV Fire uses root port instance 2, so something must
> be done so that software can differentiate. This series splits the
> second reg property in two, with dedicated "control" and "bridge"
> entries so that either instance can be used.

Applied to controller/microchip, thank you!

[01/02] PCI: dt-bindings: PCI: microchip,pcie-host: Fix reg properties
        https://git.kernel.org/pci/pci/c/ae5ebdb405dd
[02/02] PCI: microchip: Rework reg region handing to support using either instance 1 or 2
        https://git.kernel.org/pci/pci/c/e071e6bd9940

	Krzysztof