Re: [PATCH v4 01/11] PCI: rockchip: Remove writes to unused registers

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Subject: Re: [PATCH v4 01/11] PCI: rockchip: Remove writes to unused registers
From: Damien Le Moal <dlemoal@xxxxxxxxxx>
Date: Tue, 18 Apr 2023 08:58:30 +0900
Cc: xxm@xxxxxxxxxxxxxx, Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>, Bjorn Helgaas <bhelgaas@xxxxxxxxxx>, Lorenzo Pieralisi <lpieralisi@xxxxxxxxxx>, Krzysztof Wilczyński <kw@xxxxxxxxx>, Rob Herring <robh@xxxxxxxxxx>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>, Heiko Stuebner <heiko@xxxxxxxxx>, Brian Norris <briannorris@xxxxxxxxxxxx>, Caleb Connolly <kc@xxxxxxxxxxxxxxxx>, Corentin Labbe <clabbe@xxxxxxxxxxxx>, Johan Jonker <jbx6244@xxxxxxxxx>, Arnaud Ferraris <arnaud.ferraris@xxxxxxxxxxxxx>, Judy Hsiao <judyhsiao@xxxxxxxxxxxx>, Hugh Cole-Baker <sigmaris@xxxxxxxxx>, linux-pci@xxxxxxxxxxxxxxx, linux-rockchip@xxxxxxxxxxxxxxxxxxx, devicetree@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20230417092631.347976-2-rick.wertenbroek@gmail.com>
Organization: Western Digital Research
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0

On 4/17/23 18:26, Rick Wertenbroek wrote:
> Remove write accesses to registers that are marked "unused" (and
> therefore read-only) in the technical reference manual (TRM)
> (see RK3399 TRM 17.6.8.1)
> 
> Signed-off-by: Rick Wertenbroek <rick.wertenbroek@xxxxxxxxx>
> Tested-by: Damien Le Moal <dlemoal@xxxxxxxxxx>

Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx>

References:
- [PATCH v4 00/11] PCI: rockchip: Fix RK3399 PCIe endpoint controller driver
  - From: Rick Wertenbroek
- [PATCH v4 01/11] PCI: rockchip: Remove writes to unused registers
  - From: Rick Wertenbroek

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