[QUESTION] Arm64: Query L3 cache info via DT

Tan Xiaojun tanxiaojun at huawei.com
Tue Jan 10 02:54:36 PST 2017


On 2017/1/10 18:01, Sudeep Holla wrote:
> 
> 
> On 10/01/17 08:50, Tan Xiaojun wrote:
>> I add this patch, and test in Hisilicon D02/D03. It can work well.
>>
>> I'm sorry to reply so late. I took some time to debug, because I am not familiar with the code.
>>
>>> +	if (level < of_level) {
>>> +		/*
>>> +		 * some external caches not specified in CLIDR_EL1
>>> +		 * the information may be available in the device tree
>>> +		 * only unified external caches are considered here
>>> +		 */
>>> +		level = of_level;
>>> +		leaves += (of_level - level);
>>
>> The above two lines need to exchange the location.
>>
> 
> Ah crap, sorry for such a silly mistake.
> I will post proper patch(es) soon.
> 

OK. Wait for your new patch. ^_^

Thanks.
Xiaojun.





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