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From: Jan Kiszka <jan.kiszka@siemens.com>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Nishanth Menon <nm@ti.com>,
	Santosh Shilimkar <ssantosh@kernel.org>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Tero Kristo <kristo@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org,
	Siddharth Vadapalli <s-vadapalli@ti.com>,
	Bao Cheng Su <baocheng.su@siemens.com>,
	Hua Qian Li <huaqian.li@siemens.com>,
	Diogo Ivo <diogo.ivo@siemens.com>
Subject: Re: [PATCH v3 4/7] arm64: dts: ti: k3-am65-main: Add VMAP registers to PCI root complexes
Date: Thu, 29 Aug 2024 09:34:15 +0200	[thread overview]
Message-ID: <d215ba71-c652-4c2c-aa19-7c7613a9dd4d@siemens.com> (raw)
In-Reply-To: <bsxsk3zy5wyao7ljdf37idff4jf5g3gsp7amkywbm7z55vrt4j@fz4x4vjkfehm>

On 29.08.24 08:12, Krzysztof Kozlowski wrote:
> On Wed, Aug 28, 2024 at 08:01:17PM +0200, Jan Kiszka wrote:
>> From: Jan Kiszka <jan.kiszka@siemens.com>
>>
>> Rewrap the long lines at this chance.
>>
>> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
>> ---
>>  arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 18 ++++++++++++++----
>>  1 file changed, 14 insertions(+), 4 deletions(-)
>>
> 
> You still have DTS packed in the middle of driver changes, suggesting
> dependency.
> 
> Such ordering does not make sense, because entire DTS goes separate tree
> and branch. It only complicates stuff because if you have dependency,
> which you cannot have, it won't be that easily visible.
> 
> You already got the same comment.
> 
> Please fix your driver to remove dependency and ABI break, and then fix
> the patch order.
> 

Could you be a bit more precise in your review, please? Should I also
pull the last patch to front, or more all DT changes into a separate series?

The PCI driver will not fail unless you ask it for the new feature
(CONFIG_TI_PVU) AND provide an incomplete DT (DMA pools, but no VMAP regs).

Thanks,
Jan

-- 
Siemens AG, Technology
Linux Expert Center


  reply	other threads:[~2024-08-29  7:34 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-28 18:01 [PATCH v3 0/7] soc: ti: Add and use PVU on K3-AM65 for DMA isolation Jan Kiszka
2024-08-28 18:01 ` [PATCH v3 1/7] dt-bindings: soc: ti: Add AM65 peripheral virtualization unit Jan Kiszka
2024-08-29  6:09   ` Krzysztof Kozlowski
2024-08-28 18:01 ` [PATCH v3 2/7] dt-bindings: PCI: ti,am65: Extend for use with PVU Jan Kiszka
2024-08-29  6:14   ` Krzysztof Kozlowski
2024-08-29  7:38     ` Jan Kiszka
2024-09-05  6:54       ` Krzysztof Kozlowski
2024-08-28 18:01 ` [PATCH v3 3/7] arm64: dts: ti: k3-am65-main: Add PVU nodes Jan Kiszka
2024-08-28 18:01 ` [PATCH v3 4/7] arm64: dts: ti: k3-am65-main: Add VMAP registers to PCI root complexes Jan Kiszka
2024-08-29  6:12   ` Krzysztof Kozlowski
2024-08-29  7:34     ` Jan Kiszka [this message]
2024-08-28 18:01 ` [PATCH v3 5/7] soc: ti: Add IOMPU-like PVU driver Jan Kiszka
2024-08-28 18:01 ` [PATCH v3 6/7] PCI: keystone: Add supported for PVU-based DMA isolation on AM654 Jan Kiszka
2024-08-28 18:01 ` [PATCH v3 7/7] arm64: dts: ti: iot2050: Enforce DMA isolation for devices behind PCI RC Jan Kiszka

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