Re: [PATCH] ARM: at91: fix build for SAMA5D3 w/o L2 cache

From: Nicolas Ferre
Date: Wed Nov 23 2022 - 05:53:52 EST


On 23/11/2022 at 09:38, Peter Rosin wrote:
Hi!

2022-11-23 at 08:19, Claudiu.Beznea@xxxxxxxxxxxxx wrote:
On 22.11.2022 19:14, Clément Léger wrote:
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Le Tue, 22 Nov 2022 16:13:40 +0100,
Thorsten Leemhuis <regressions@xxxxxxxxxxxxx> 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