From: Ashish Mhetre <amhetre@nvidia.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
robh+dt@kernel.org, thierry.reding@gmail.com, digetx@gmail.com,
jonathanh@nvidia.com, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org, linux-tegra@vger.kernel.org
Cc: vdumpa@nvidia.com, Snikam@nvidia.com
Subject: Re: [Patch v5 3/4] dt-bindings: memory: Update reg maxitems for tegra186
Date: Tue, 22 Mar 2022 23:42:35 +0530 [thread overview]
Message-ID: <66a3f996-ac12-9165-93c9-e1fa93b80eed@nvidia.com> (raw)
In-Reply-To: <74db8a20-7cce-ff86-7ae4-466416443ba9@canonical.com>
On 3/20/2022 6:12 PM, Krzysztof Kozlowski wrote:
> External email: Use caution opening links or attachments
>
>
> On 16/03/2022 10:25, Ashish Mhetre wrote:
>> From tegra186 onwards, memory controller support multiple channels.
>> Reg items are updated with address and size of these channels.
>> Tegra186 has overall 5 memory controller channels. Tegra194 and tegra234
>> have overall 17 memory controller channels each.
>> There is 1 reg item for memory controller stream-id registers.
>> So update the reg maxItems to 18 in tegra186 devicetree documentation.
>>
>> Signed-off-by: Ashish Mhetre <amhetre@nvidia.com>
>> ---
>> .../nvidia,tegra186-mc.yaml | 20 +++++++++++++------
>> 1 file changed, 14 insertions(+), 6 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
>> index 13c4c82fd0d3..3c4e231dc1de 100644
>> --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
>> +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
>> @@ -34,8 +34,8 @@ properties:
>> - nvidia,tegra234-mc
>>
>> reg:
>> - minItems: 1
>> - maxItems: 3
>> + minItems: 6
>> + maxItems: 18
>
> Still ABI break and now the in-kernel DTS will report dt check errors.
>
The dt check error is because I mistakenly updated example in EMC node
instead of MC. I'll fix it in next version.
> I think you ignored the comments you got about breaking ABI.
>
No, I took care of the ABI break in v5. I have updated details about
how we took care of it in first patch.
> Best regards,
> Krzysztof
next prev parent reply other threads:[~2022-03-22 18:12 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-16 9:25 [Patch v5 0/4] memory: tegra: Add MC channels and error logging Ashish Mhetre
2022-03-16 9:25 ` [Patch v5 1/4] memory: tegra: Add memory controller channels support Ashish Mhetre
2022-03-19 15:42 ` Dmitry Osipenko
2022-03-22 16:13 ` Ashish Mhetre
2022-03-25 4:50 ` Ashish Mhetre
2022-03-29 23:48 ` Dmitry Osipenko
2022-03-30 5:07 ` Ashish Mhetre
2022-03-20 12:31 ` Krzysztof Kozlowski
2022-03-22 18:04 ` Ashish Mhetre
2022-03-22 18:24 ` Krzysztof Kozlowski
2022-03-16 9:25 ` [Patch v5 2/4] memory: tegra: Add MC error logging on tegra186 onward Ashish Mhetre
2022-03-19 15:50 ` Dmitry Osipenko
2022-03-19 16:19 ` Dmitry Osipenko
2022-03-22 17:51 ` Ashish Mhetre
2022-03-22 16:48 ` Ashish Mhetre
2022-03-19 15:59 ` Dmitry Osipenko
2022-03-22 17:23 ` Ashish Mhetre
2022-03-29 23:51 ` Dmitry Osipenko
2022-03-30 5:02 ` Ashish Mhetre
2022-03-19 16:14 ` Dmitry Osipenko
2022-03-22 17:34 ` Ashish Mhetre
2022-03-30 0:01 ` Dmitry Osipenko
2022-03-30 10:16 ` Ashish Mhetre
2022-03-30 10:36 ` Dmitry Osipenko
2022-03-30 11:22 ` Ashish Mhetre
2022-03-31 19:49 ` Dmitry Osipenko
2022-03-31 21:55 ` Ashish Mhetre
2022-03-20 12:53 ` Dmitry Osipenko
2022-03-23 8:36 ` Ashish Mhetre
2022-03-30 0:06 ` Dmitry Osipenko
2022-03-30 9:03 ` Ashish Mhetre
2022-03-30 10:19 ` Dmitry Osipenko
2022-03-30 10:34 ` Ashish Mhetre
2022-03-16 9:25 ` [Patch v5 3/4] dt-bindings: memory: Update reg maxitems for tegra186 Ashish Mhetre
2022-03-19 15:42 ` Dmitry Osipenko
2022-03-20 2:13 ` Rob Herring
2022-03-20 12:42 ` Krzysztof Kozlowski
2022-03-22 18:12 ` Ashish Mhetre [this message]
2022-03-22 18:42 ` Krzysztof Kozlowski
2022-03-16 9:25 ` [Patch v5 4/4] arm64: tegra: Add memory controller channels Ashish Mhetre
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