linux-kernel - Re: [PATCH 1/2] dt-bindings: edac: Add bindings for Xilinx ZynqMP OCM

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Date:   Tue, 16 Aug 2022 16:23:42 +0300
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     "Potthuri, Sai Krishna" <sai.krishna.potthuri@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Michal Simek <michal.simek@...inx.com>,
        Borislav Petkov <bp@...en8.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Tony Luck <tony.luck@...el.com>,
        James Morse <james.morse@....com>,
        Robert Richter <rric@...nel.org>
Cc:     "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
        "saikrishna12468@...il.com" <saikrishna12468@...il.com>,
        "git (AMD-Xilinx)" <git@....com>,
        Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>
Subject: Re: [PATCH 1/2] dt-bindings: edac: Add bindings for Xilinx ZynqMP OCM

On 16/08/2022 15:43, Potthuri, Sai Krishna wrote:
> Hi Krzysztof,
> 
>> -----Original Message-----
>> From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>> Sent: Tuesday, August 16, 2022 1:29 PM
>> To: Potthuri, Sai Krishna <sai.krishna.potthuri@....com>; Rob Herring
>> <robh+dt@...nel.org>; Krzysztof Kozlowski
>> <krzysztof.kozlowski+dt@...aro.org>; Michal Simek
>> <michal.simek@...inx.com>; Borislav Petkov <bp@...en8.de>; Mauro
>> Carvalho Chehab <mchehab@...nel.org>; Tony Luck <tony.luck@...el.com>;
>> James Morse <james.morse@....com>; Robert Richter <rric@...nel.org>
>> Cc: devicetree@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; linux-
>> kernel@...r.kernel.org; linux-edac@...r.kernel.org;
>> saikrishna12468@...il.com; git (AMD-Xilinx) <git@....com>; Shubhrajyoti
>> Datta <shubhrajyoti.datta@...inx.com>
>> Subject: Re: [PATCH 1/2] dt-bindings: edac: Add bindings for Xilinx ZynqMP
>> OCM
>>
>> On 16/08/2022 10:32, Sai Krishna Potthuri wrote:
>>> From: Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>
>>>
>>> Add bindings for Xilinx ZynqMP OCM controller.
>>>
>>> Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>
>>> Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@....com>
>>> ---
>>>  .../bindings/edac/xlnx,zynqmp-ocmc.yaml       | 41 +++++++++++++++++++
>>>  1 file changed, 41 insertions(+)
>>>  create mode 100644
>>> Documentation/devicetree/bindings/edac/xlnx,zynqmp-ocmc.yaml
>>>
>>> diff --git
>>> a/Documentation/devicetree/bindings/edac/xlnx,zynqmp-ocmc.yaml
>>> b/Documentation/devicetree/bindings/edac/xlnx,zynqmp-ocmc.yaml
>>> new file mode 100644
>>> index 000000000000..9bcecaccade2
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/edac/xlnx,zynqmp-ocmc.yaml
>>> @@ -0,0 +1,41 @@
>>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/edac/xlnx,zynqmp-ocmc.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Xilinx Zynqmp OCM EDAC driver
>>
>> s/EDAC driver//
>> Is it a memory controller?
> This driver is about Error Detection and Correction feature for OCM (On Chip
> Memory) controller which supports ECC functionality.

I am not talking about driver. What is the hardware exactly? On Chip
Memory Controller sounds like Memory Controller, so use this instead of
EDAC.


Best regards,
Krzysztof