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Message-ID: <83198642-2ef7-a12a-2ad4-5839b465c085@microchip.com>
Date: Wed, 23 Nov 2022 11:40:53 +0100
From: Nicolas Ferre <nicolas.ferre@...rochip.com>
To: Peter Rosin <peda@...ntia.se>, <Claudiu.Beznea@...rochip.com>,
<clement.leger@...tlin.com>, <regressions@...mhuis.info>
CC: <alexandre.belloni@...tlin.com>, <linux@...linux.org.uk>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <regressions@...ts.linux.dev>
Subject: Re: [PATCH] ARM: at91: fix build for SAMA5D3 w/o L2 cache
On 23/11/2022 at 09:38, Peter Rosin wrote:
> Hi!
>
> 2022-11-23 at 08:19, Claudiu.Beznea@...rochip.com wrote:
>> On 22.11.2022 19:14, Clément Léger wrote:
>>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>>
>>> Le Tue, 22 Nov 2022 16:13:40 +0100,
>>> Thorsten Leemhuis <regressions@...mhuis.info> a écrit :
>>>
>>>> Hi, this is your Linux kernel regression tracker.
>>>>
>>>> On 12.11.22 16:40, Peter Rosin wrote:
>>>>> The L2 cache is present on the newer SAMA5D2 and SAMA5D4 families, but
>>>>> apparently not for the older SAMA5D3. At least not always.
>>
>> Peter, what do you mean by "at least not always" here? Are you talking
>> about the OUTER_CACHE flag?
>
> I'm not familiar with all options for L2 caching. I was just being cautious
> to not exclude the possibility that there could be some variation within
> the SAMA5D3 series (I'm on SAMA5D31) or with an external L2 cache or
> something such. If there's simply no possible way to have an L2 cache on
> any SAMA5D3, feel free to edit that "At least not always" out while you
> commit.
I confirm that there is no L2 cache in any variant of SAMA5D3.
[..]
Thanks, best regards,
Nicolas
--
Nicolas Ferre
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