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Message-ID: <20231026135856.GA3567352-robh@kernel.org>
Date: Thu, 26 Oct 2023 08:58:56 -0500
From: Rob Herring <robh@...nel.org>
To: Herve Codina <herve.codina@...tlin.com>
Cc: Frank Rowand <frowand.list@...il.com>,
Lizhi Hou <lizhi.hou@....com>, Max Zhen <max.zhen@....com>,
Sonal Santan <sonal.santan@....com>,
Stefano Stabellini <stefano.stabellini@...inx.com>,
Jonathan Cameron <Jonathan.Cameron@...wei.com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Allan Nielsen <allan.nielsen@...rochip.com>,
Horatiu Vultur <horatiu.vultur@...rochip.com>,
Steen Hegelund <steen.hegelund@...rochip.com>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v2 0/3] Fix DT based address translations
On Tue, Oct 17, 2023 at 01:02:15PM +0200, Herve Codina wrote:
> Hi,
>
> This patch series fixes a DT based address translation (translations
> using the ranges property).
>
> The issue is present with a ranges property made of a 3 cells child
> address, a 3 cells parent address and a 2 cells child size.
> This can happen with the recent addition of of_pci_prop_ranges() in
> commit 407d1a51921e ("PCI: Create device tree node for bridge")
>
> The issue description is fully described in the first patch commit log.
>
> In this series,
> - The first patch fixes the issue.
> - The second patch avoids duplicated code.
> - The third patch adds unit tests related address translations.
>
> I previously sent the first patch alone:
> https://lore.kernel.org/linux-kernel/20231003065236.121987-1-herve.codina@bootlin.com/
> This series v2 has to be considered as the next iteration based on the
> review done on my previous patch sent alone.
>
> Best regards,
> Hervé
>
> Changes v1 -> v2
>
> - Patch 1
> Simplify of_bus_default_flags_map().
> Fix the commit log (pci-ep-bus ranges[0] size is 0x200_0000 instead
> of 0x2000_0000).
>
> - Patch 2 (new in v2)
> Remove duplicated code.
>
> - Patch 3 (new in v2)
> Add unit tests.
>
> Herve Codina (3):
> of: address: Fix address translation when address-size is greater than
> 2
> of: address: Remove duplicated functions
> of: unittest: Add tests for address translations
>
> drivers/of/address.c | 43 ++++++---
> drivers/of/unittest-data/tests-address.dtsi | 101 ++++++++++++++++++++
> drivers/of/unittest.c | 74 ++++++++++++++
> 3 files changed, 205 insertions(+), 13 deletions(-)
I've applied this. I sent out this series[1] of clean-ups to apply on
top.
Rob
[1] https://lore.kernel.org/all/20231026135358.3564307-2-robh@kernel.org/
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