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Thu, 6 Feb 2025 01:10:51 +0900 (KST) Received: from INBRO002756 (unknown [107.122.3.168]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20250205161049epsmtip29462bda9337d6f4970716ff4d4d8fe2c~hW8j4dd_a1519415194epsmtip2Y; Wed, 5 Feb 2025 16:10:49 +0000 (GMT) From: "Alim Akhtar" To: "'Krzysztof Kozlowski'" , "'Sudeep Holla'" Cc: "'Devang Tailor'" , , , , , , , , In-Reply-To: <6d4d93a5-9a03-4cc3-9ef4-ab64562560f3@kernel.org> Subject: RE: [PATCH v2] arm64: dts: add cpu cache information to ExynosAuto-v920 Date: Wed, 5 Feb 2025 21:40:48 +0530 Message-ID: <090d01db77e8$8687db10$93979130$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQJnCMNmj1amGSmPwLixER7WDeLbQALDHLFMAzsAx8ICGgWRGwKIqjkLscy4HXA= Content-Language: en-us X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrHJsWRmVeSWpSXmKPExsWy7bCmum5P7+J0g6ufjCzW7D3HZHFvxzJ2 i/lHzrFaXLuxkN3i5ax7bBbnz29gt9j0+BqrxeVdc9gsZpzfx2Txf88Odovlp3awOHB7rJm3 htFj06pONo/NS+o9+rasYvT4vEkugDUq2yYjNTEltUghNS85PyUzL91WyTs43jne1MzAUNfQ 0sJcSSEvMTfVVsnFJ0DXLTMH6DIlhbLEnFKgUEBicbGSvp1NUX5pSapCRn5xia1SakFKToFJ gV5xYm5xaV66Xl5qiZWhgYGRKVBhQnbGrenrmAq+8FTc36bUwLiXq4uRk0NCwERiY/931i5G Lg4hgd2MEpveH2SGcD4xSmzYco8FwvnGKPF6ylZWmJZliz5CVe1llHi8vwPKeckosXHCZUaQ KjYBXYkdi9vYQGwRgQiJW98mMoIUMQvMYJLYvfwCC0iCU8BOYsmUvWBjhQWCJBZMPcIOYrMI qEgcar4AZvMKWEpsOj0fyhaUODnzCVgvs4C2xLKFr5khTlKQ+Pl0GSvEMj+Jhxt2skLUiEu8 PAoykwuoZguHxKsrd9kgGlwk3k/+wAhhC0u8Or6FHcKWknjZ3wZlV0us3zCPBcLuYJRo3F4D YdtL7Hx0EyjOAbRAU2L9Ln2IXXwSvb+fMIGEJQR4JTrahCCqVSWa312FmiItMbG7GxqKHhLv r81inMCoOAvJZ7OQfDYLyQezEJYtYGRZxSiZWlCcm55abFpgmJdaDo/w5PzcTYzghKvluYPx 7oMPeocYmTgYDzFKcDArifCe3r4gXYg3JbGyKrUoP76oNCe1+BCjKTC4JzJLiSbnA1N+Xkm8 oYmlgYmZmZmJpbGZoZI4b/POlnQhgfTEktTs1NSC1CKYPiYOTqkGpoRPPRNf30i7863kxt6j e5jj37xxqm6S7fZdpvHMso3nRZ2V8iwtX/dpR65JV56TONH3vdKISX3R4iKjfcn+m389Pbh3 q6buHZfrD9kYVI+zG6+OPnZddq/J3uornxtcNa89cvxxyUDn94oXK4QLrdJkDv5oeLS2ns1v 0bSPHg8+v5S8dLx4ig3ft4Z5x9fMvRM7UzPjqvFUxd9sG9dpnNvq6GGcLuwn/FWTNXrB5CyW r9YqpyY9zLUPr5/c9X2povnWdKfLsl29T05yTd8Ws3D5iZ9vl1j1tuS3ckYYmpq+jxHZIH23 13/nOj+1AraIDyrTLX6VLucyWLlw3Uvp3ZZ+MfuZHkx+qGWjadZ3ZroSS3FGoqEWc1FxIgDd 4f+zQQQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprOIsWRmVeSWpSXmKPExsWy7bCSvG537+J0g5VrpC3W7D3HZHFvxzJ2 i/lHzrFaXLuxkN3i5ax7bBbnz29gt9j0+BqrxeVdc9gsZpzfx2Txf88Odovlp3awOHB7rJm3 htFj06pONo/NS+o9+rasYvT4vEkugDWKyyYlNSezLLVI3y6BK2PX3mXsBSd4Kn59PMfSwDiR q4uRk0NCwERi2aKPzF2MXBxCArsZJX6vWc4EkZCWuL5xAjuELSyx8t9zdoii54wS/99fYANJ sAnoSuxY3AZmiwhESBw+Mp8FpIhZYBGTxKal11khOjqYJG7/2Qw2llPATmLJlL1ACQ4OYYEA iQN7pEHCLAIqEoeaL4Bt4xWwlNh0ej6ULShxcuYTFhCbWUBbovdhKyOMvWzha2aI6xQkfj5d xgpxhJ/Eww07WSFqxCVeHj3CPoFReBaSUbOQjJqFZNQsJC0LGFlWMUqmFhTnpucWGxYY5qWW 6xUn5haX5qXrJefnbmIEx52W5g7G7as+6B1iZOJgPMQowcGsJMJ7evuCdCHelMTKqtSi/Pii 0pzU4kOM0hwsSuK84i96U4QE0hNLUrNTUwtSi2CyTBycUg1Mu591zj50Jf/e8j/Zb/4nLX4o URKkFVq2Ov3LnZDZExXO/mI00ahjsFF7Ilr/O2jh3Ac3THeaRfqc1k17sdb+Qz1PZxpz/FW2 sv8Z5x27uKftd1ucevPdt8bZxQJXL/jox69XWS6ZoHj8wX4FhX7tnJVPzvqb/3O3e73wUiTX V2WBVyd2P1+l4/P7RHeu2vOc2kDJzRtlr8Welzr3ZvbLc57/uJKnLzku8/ZR1s0dTXY7qwtb 1kXzH+CyCxX83Hryzxqvv+ZfrXjs+6W3HjptVcQXcV/veNZebdG75+axPmd6te/rFJeYrF93 mNIq05vlpQTvVohOX2a46OTnX8IOza+SGVff3+Q8JbydqfJBlhJLcUaioRZzUXEiAMu9VZIq AwAA X-CMS-MailID: 20250205161051epcas5p26dda7521e6fe32f18d6ef155802573b7 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250108054224epcas5p399f3d734f8d9f82e5ae75d183d1a5344 References: <20250108055012.1938530-1-dev.tailor@samsung.com> <006401db73d6$2af35fb0$80da1f10$@samsung.com> <6d4d93a5-9a03-4cc3-9ef4-ab64562560f3@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250205_081102_767514_12DEB476 X-CRM114-Status: GOOD ( 23.68 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Krzysztof > -----Original Message----- > From: Krzysztof Kozlowski > Sent: Wednesday, February 5, 2025 9:22 PM > To: Sudeep Holla ; Alim Akhtar > > Cc: 'Devang Tailor' ; robh=40kernel.org; > krzk+dt=40kernel.org; conor+dt=40kernel.org; devicetree=40vger.kernel.org= ; > linux-arm-kernel=40lists.infradead.org; linux-samsung-soc=40vger.kernel.o= rg; > linux-kernel=40vger.kernel.org; faraz.ata=40samsung.com > Subject: Re: =5BPATCH v2=5D arm64: dts: add cpu cache information to > ExynosAuto-v920 >=20 > On 31/01/2025 14:27, Sudeep Holla wrote: > >>> > >> =5Bsnip=5D > >> > + l3_cache_cl0: l3-cache0 =7B > >> You can add one node for cl0 and cl1, say =22l3_cache_cl0_cl1=22 and > >> Remove the specific node for CL1, because both are same. > >> > > > > What do you mean by =22both are same=22 ? > > 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. >=20 > No answers here, so I drop this patch from my queue. >=20 It took sometime to get the confirmation internally (because of new year ho= liday) Just replied to Sudeep. It will be great if you can consider this patch for= this cycle.=20 Thanks=21 > Best regards, > Krzysztof