Thread (8 messages) 8 messages, 5 authors, 2025-02-17

RE: [PATCH v2] arm64: dts: add cpu cache information to ExynosAuto-v920

From: "Alim Akhtar" <alim.akhtar@samsung.com>
Date: 2025-02-05 16:11:02
Also in: linux-arm-kernel, linux-samsung-soc, lkml

Hi Krzysztof
-----Original Message-----
From: Krzysztof Kozlowski <krzk@kernel.org>
Sent: Wednesday, February 5, 2025 9:22 PM
To: Sudeep Holla <redacted>; Alim Akhtar
[off-list ref]
Cc: 'Devang Tailor' <redacted>; robh@kernel.org;
krzk+dt@kernel.org; conor+dt@kernel.org; devicetree@vger.kernel.org;
linux-arm-kernel@lists.infradead.org; linux-samsung-soc@vger.kernel.org;
linux-kernel@vger.kernel.org; faraz.ata@samsung.com
Subject: Re: [PATCH v2] arm64: dts: add cpu cache information to
ExynosAuto-v920

On 31/01/2025 14:27, Sudeep Holla wrote:
quoted
quoted
quoted
[snip]
 > +		l3_cache_cl0: l3-cache0 {
You can add one node for cl0 and cl1, say "l3_cache_cl0_cl1" and
Remove the specific node for CL1, because both are same.
What do you mean by "both are same" ?
Do you mean both have exact same properties but are physically
different caches ? OR Do you mean it is just one shared cache ?

If former, we still need distinct node to get the cacheinfo about
shareability correct. If this is about avoiding duplication of errors,
you can probably define some macro and avoid it, but we need 2 nodes
in the devicetree.

If latter, you suggestion is correct.
No answers here, so I drop this patch from my queue.
It took sometime to get the confirmation internally (because of new year holiday)
Just replied to Sudeep. It will be great if you can consider this patch for this cycle. 
Thanks!
Best regards,
Krzysztof
  
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