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From: Krzysztof Kozlowski <krzk@kernel.org>
To: "Gerlach, Matthew" <matthew.gerlach@altera.com>,
	Rob Herring <robh@kernel.org>
Cc: krzk+dt@kernel.org, conor+dt@kernel.org, dinguyen@kernel.org,
	bp@alien8.de, tony.luck@intel.com, james.morse@arm.com,
	mchehab@kernel.org, rric@kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org
Subject: Re: [PATCH 3/4] arm64: dts: agilex: Update eccmgr in DTSI to reflect hw/yaml
Date: Fri, 21 Mar 2025 08:46:43 +0100	[thread overview]
Message-ID: <d37eb60d-fd84-4274-85ac-6ddfd32de3a5@kernel.org> (raw)
In-Reply-To: <3b325b3b-df64-4f16-9284-cddfaaa40a21@altera.com>

On 21/03/2025 00:24, Gerlach, Matthew wrote:
> 
> On 3/20/2025 12:34 PM, Rob Herring wrote:
>> On Thu, Mar 20, 2025 at 09:46:21AM -0700, Matthew Gerlach wrote:
>>> Update socfpga_agilex.dtsi to track the actual hardware description
>>> provided in altr,socfpga-s10-ecc-manager.yaml.
>>>
>>> Signed-off-by: Matthew Gerlach <matthew.gerlach@altera.com>
>>> ---
>>>  arch/arm64/boot/dts/intel/socfpga_agilex.dtsi | 18 ++++++------------
>>>  1 file changed, 6 insertions(+), 12 deletions(-)
>>>
>>> diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
>>> index 1235ba5a9865..708cb8e762b6 100644
>>> --- a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
>>> +++ b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
>>> @@ -602,8 +602,7 @@ sdr: sdr@f8011100 {
>>>  		};
>>>  
>>>  		eccmgr {
>>> -			compatible = "altr,socfpga-s10-ecc-manager",
>>> -				     "altr,socfpga-a10-ecc-manager";
>>> +			compatible = "altr,socfpga-s10-ecc-manager";
>>
>> You are breaking the ABI here. Before this series, the driver required
>> altr,socfpga-a10-ecc-manager.
> Yes, breaking the ABI required the change in PATCH 2/4, which is 
> suboptimal.


It's still ABI break for no good reason.

Best regards,
Krzysztof

  reply	other threads:[~2025-03-21  7:46 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-20 16:46 [PATCH 0/4] dt-bindings: edac: altera-s10: Convert to YAML Matthew Gerlach
2025-03-20 16:46 ` [PATCH 1/4] " Matthew Gerlach
2025-03-20 19:27   ` Rob Herring
2025-03-20 23:18     ` Gerlach, Matthew
2025-03-20 16:46 ` [PATCH 2/4] EDAC, altera: update driver to reflect hw/yaml Matthew Gerlach
2025-03-21 21:12   ` Borislav Petkov
2025-03-23 16:13     ` Gerlach, Matthew
2025-03-20 16:46 ` [PATCH 3/4] arm64: dts: agilex: Update eccmgr in DTSI " Matthew Gerlach
2025-03-20 19:34   ` Rob Herring
2025-03-20 23:24     ` Gerlach, Matthew
2025-03-21  7:46       ` Krzysztof Kozlowski [this message]
2025-03-20 16:46 ` [PATCH 4/4] arm64: dts: startix10: Update eccmgr in DTSI/DTS " Matthew Gerlach
2025-03-20 18:26 ` [PATCH 0/4] dt-bindings: edac: altera-s10: Convert to YAML Rob Herring (Arm)

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