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Thu, 6 Feb 2025 01:07:05 +0900 (KST) Received: from INBRO002756 (unknown [107.122.3.168]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20250205160703epsmtip2aa5667ef559938479af04ee473001a39~hW5RQ__Nz0781307813epsmtip2d; Wed, 5 Feb 2025 16:07:03 +0000 (GMT) From: "Alim Akhtar" To: "'Sudeep Holla'" Cc: "'Devang Tailor'" , , , , , , , , In-Reply-To: Subject: RE: [PATCH v2] arm64: dts: add cpu cache information to ExynosAuto-v920 Date: Wed, 5 Feb 2025 21:37:02 +0530 Message-ID: <090c01db77e7$ffa892b0$fef9b810$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQJnCMNmj1amGSmPwLixER7WDeLbQALDHLFMAzsAx8ICGgWRG7Hg+i6A Content-Language: en-us X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrJJsWRmVeSWpSXmKPExsWy7bCmuu7KnsXpBpdb1CzW7D3HZHFvxzJ2 i/lHzrFaXLuxkN3i5ax7bBabHl9jtbi8aw6bxYzz+5gs/u/ZwW6x/NQOFgcujzXz1jB6bFrV yeaxeUm9R9+WVYwenzfJBbBGZdtkpCampBYppOYl56dk5qXbKnkHxzvHm5oZGOoaWlqYKynk Jeam2iq5+AToumXmAB2lpFCWmFMKFApILC5W0rezKcovLUlVyMgvLrFVSi1IySkwKdArTswt Ls1L18tLLbEyNDAwMgUqTMjOuNhZULCbu2LdoV2MDYwrObsYOTkkBEwk/r7cxN7FyMUhJLCb UWL6pDXMEM4nRokvt3cyQTjfGCW+nexkhWl5tXsFVNVeRom3rzeyQjgvGSXmzuhlAaliE9CV 2LG4jQ3EFhHQlti8+xELSBGzwAwmid3LL4AVcQqoSkxs7WcHsYUFgiQWTD0CZrMIqEi87TzL CGLzClhKNG9+xAJhC0qcnPkEzGYWkJfY/nYOM8RJChI/ny5jhVjmJvFk82JWiBpxiZdHj4B9 JyGwhUNiztG9UD+4SFxYtQbKFpZ4dXwLO4QtJfH53V42CLtaYv2GeSwQdgejROP2GgjbXmLn o5tAcQ6gBZoS63fpQ+zik+j9/YQJJCwhwCvR0SYEUa0q0fzuKtQUaYmJ3d1QWz0k3l+bxTiB UXEWks9mIflsFpIPZiEsW8DIsopRMrWgODc9tdi0wCgvtRwe4cn5uZsYwWlWy2sH48MHH/QO MTJxMB5ilOBgVhLhPb19QboQb0piZVVqUX58UWlOavEhRlNgcE9klhJNzgcm+rySeEMTSwMT MzMzE0tjM0Mlcd7mnS3pQgLpiSWp2ampBalFMH1MHJxSDUxblVVCP/CwBLebnpzyx7OE901I yM1UvQPzeKVPTvf5Kcv6/zRXRbXuzMrjHMzlXpHGs3/OXDlvX4DH95lBqifeS+hr8R/9uPLj vzovxW4ni2cfNt7JYjY0/SBmxBvEzZC+Oev+xtCyo1JLv66Tm7Hx0W0T/fUKE6U3Rr1lX9zc tv7l3rmuHO/P79nTrL49xseyfdFVoQ3FnCUtgodXrZ/hovIn86vmpofL2u/fNY3/7nXKf9X8 E/u6BI3qts3/uXxq25Lw9zNtYxWf/Jn8s2jpHU/TBdb5hb98wlffsTjoo5J2UnrPkn6eE33O cQpG3qU2Xt8/9C/Vutp194WFoH/CCxfBRZ+v/42ZJF/KV1qjxFKckWioxVxUnAgAYb4TWjwE AAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupnkeLIzCtJLcpLzFFi42LZdlhJXndlz+J0g7stXBZr9p5jsri3Yxm7 xfwj51gtrt1YyG7xctY9NotNj6+xWlzeNYfNYsb5fUwW//fsYLdYfmoHiwOXx5p5axg9Nq3q ZPPYvKTeo2/LKkaPz5vkAlijuGxSUnMyy1KL9O0SuDIudhYU7OauWHdoF2MD40rOLkZODgkB E4lXu1cwdzFycQgJ7GaUeLR8LhNEQlri+sYJ7BC2sMTKf8/ZIYqeM0o8O36LDSTBJqArsWNx G5gtIqAtsXn3IxaQImaBRUwSm5ZeZ4XouMYo8efRUxaQKk4BVYmJrf1Aozg4hAUCJA7skQYJ swioSLztPMsIYvMKWEo0b37EAmELSpyc+YQFpJxZQE+ibSNYCbOAvMT2t3OYIY5TkPj5dBkr xA1uEk82L2aFqBGXeHn0CPsERuFZSCbNQpg0C8mkWUg6FjCyrGKUTC0ozk3PLTYsMMpLLdcr TswtLs1L10vOz93ECI4zLa0djHtWfdA7xMjEwXiIUYKDWUmE9/T2BelCvCmJlVWpRfnxRaU5 qcWHGKU5WJTEeb+97k0REkhPLEnNTk0tSC2CyTJxcEo1MPGGTY1b1Ty7r3jVxBqjsi0HeAJN YuNyzl+Nk+8R18ngvCqtzVIRvn9D1feXdzz4dh/avHqrVDXbnObMiXu/mHCkfBPe6327bcq9 lDfe890efZ0TFiaccIZvn0LV8/+6wQ1nTx6e+kTQ8+syh0kuUkZc4ctqm42eLeSSydnPs0JZ pW7aYU3TuL1u684b/foX/ng9/4ptSx4di/f6Kl0tXV+X6zjtZfvrOT6Si6QPB+9fnHFDNT3S i6fwbWvj2Yi1D9vXuGh+DpKdlfp6g3H/lwbeIx/dSpm2Po38vpZZZVZ6HkvpGg7HPfVv9zRu WDnl0zTTZ9KHuhS+v3ve+ER0feC6lfVn0komXmQL5l9fraDEUpyRaKjFXFScCADJ6BzEIgMA AA== X-CMS-MailID: 20250205160705epcas5p4c645ccf4051eb12a252d7d9d4c3c300b 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250205_080713_860987_C5E52802 X-CRM114-Status: GOOD ( 20.12 ) 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 Sudeep > -----Original Message----- > From: Sudeep Holla > Sent: Friday, January 31, 2025 6:57 PM > To: Alim Akhtar > Cc: 'Devang Tailor' ; 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 > [snip] > > 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 ? > Thanks for review and pointing it out, v920 has physically different caches (two of them are same properties, but the 3rd has 1MB lesser size) Got you point about having distinct node for cacheinfo population So for this patch: Reviewed-by: Alim Akhtar > 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. > > -- > Regards, > Sudeep