linux-kernel - Re: [PATCH RFC NOT TESTED 0/2] PCI: artpec6: Try to clean up artpec6_pcie_cpu_addr

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Message-ID: <Z8huvkENIBxyPKJv@axis.com>
Date: Wed, 5 Mar 2025 16:33:18 +0100
From: Jesper Nilsson <jesper.nilsson@...s.com>
To: Frank Li <Frank.Li@....com>
CC: Jesper Nilsson <jesper.nilsson@...s.com>, Lars Persson
	<lars.persson@...s.com>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski
	<krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Lorenzo Pieralisi
	<lpieralisi@...nel.org>, Krzysztof Wilczyński
	<kw@...ux.com>, Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>, <linux-arm-kernel@...s.com>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-pci@...r.kernel.org>
Subject: Re: [PATCH RFC NOT TESTED 0/2] PCI: artpec6: Try to clean up
 artpec6_pcie_cpu_addr_fixup()

Hi Frank,

I'm the current maintainer of this driver. As Niklas Cassel wrote in
another email, artpec-7 was supposed to be upstreamed, as it is in most
parts identical to the artpec-6, but reality got in the way. I don't
think there is very much left to support it at the same level as artpec-6,
but give me some time to see if the best thing is to drop the artpec-7
support as Niklas suggested.

Unfortunately, I'm travelling right now and don't have access to any
of my boards. I'll perform some testing next week when I'm back and
help to clean this up.

Best regards,

/Jesper


On Tue, Mar 04, 2025 at 12:49:34PM -0500, Frank Li wrote:
> This patches basic on
> https://lore.kernel.org/imx/20250128-pci_fixup_addr-v9-0-3c4bb506f665@nxp.com/
> 
> I have not hardware to test and there are not axis,artpec7-pcie in kernel
> tree.
> 
> Look for driver owner, who help test this and start move forward to remove
> cpu_addr_fixup() work.
> 
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
> Frank Li (2):
>       ARM: dts: artpec6: Move PCIe nodes under bus@...00000
>       PCI: artpec6: Use use_parent_dt_ranges and clean up artpec6_pcie_cpu_addr_fixup()
> 
>  arch/arm/boot/dts/axis/artpec6.dtsi       | 92 +++++++++++++++++--------------
>  drivers/pci/controller/dwc/pcie-artpec6.c | 20 +------
>  2 files changed, 52 insertions(+), 60 deletions(-)
> ---
> base-commit: 1552be4855dacca5ea39b15b1ef0b96c91dbea0d
> change-id: 20250304-axis-6d12970976b4
> 
> Best regards,
> ---
> Frank Li <Frank.Li@....com>

/^JN - Jesper Nilsson
-- 
               Jesper Nilsson -- jesper.nilsson@...s.com