linux-kernel - Re: [PATCH v2 4/6] edac: Document Krait L1/L2 EDAC driver binding

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Date:	Wed, 30 Oct 2013 16:56:19 -0500
From:	Kumar Gala <galak@...eaurora.org>
To:	Stephen Boyd <sboyd@...eaurora.org>
Cc:	linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-msm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 4/6] edac: Document Krait L1/L2 EDAC driver binding


On Oct 30, 2013, at 4:48 PM, Stephen Boyd wrote:

> On 10/30/13 14:45, Kumar Gala wrote:
>> On Oct 30, 2013, at 3:25 PM, Stephen Boyd wrote:
>> 
>>> @@ -75,3 +77,50 @@ Example:
>>> 			reg = <0x101>;
>>> 		};
>>> 	};
>>> +
>>> +If the compatible string contains "qcom,krait" there shall be an interrupts
>>> +property containing the L1/CPU error interrupt number. There shall also be an
>> 'also be a'
> 
> ok
> 
>> 
>>> +l2-cache node containing the following properties:
>> Is the L1 interrupt not per core L1 cache (even if they are OR together at PIC)?
> 
> Yes it is per CPU. That is what the 0xf part of the cpus interrupts
> property is showing.

Than why not have it in each cpu node?

>>> 
>>> + - compatible: Shall contain at least "cache"
>>> + - cache-level: Must be 2
>>> + - interrupts: Shall contain the L2 error interrupt
>>> +
>>> +Example:
>>> +
>>> +	cpus {
>>> +		#address-cells = <1>;
>>> +		#size-cells = <0>;
>>> +		interrupts = <1 9 0xf04>;
>>> +		compatible = "qcom,krait";
>>> 


- k

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation

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