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Tue, 25 Aug 2026 05:43:12 -0700 (PDT) Received: from localhost ([2001:4090:a244:80d4:489b:7642:1b32:84d6]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c24966f809bsm1943085966b.41.2026.08.25.05.43.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Aug 2026 05:43:11 -0700 (PDT) Mime-Version: 1.0 Content-Type: multipart/signed; boundary=14a369f1291804ff25a36242752313e74f8647a8095442ea6e38a796f654; micalg=pgp-sha512; protocol="application/pgp-signature" Date: Tue, 25 Aug 2026 14:43:01 +0200 Message-Id: From: "Markus Schneider-Pargmann" To: "Andrew Davis" , "Markus Schneider-Pargmann (TI)" , "Nishanth Menon" , "Vignesh Raghavendra" , "Tero Kristo" , "Rob Herring" , "Krzysztof Kozlowski" , "Conor Dooley" , "Nathan Chancellor" , "Nick Desaulniers" , "Bill Wendling" , "Justin Stitt" , "Judith Mendez" , "Daniel Schultz" , "Siddharth Vadapalli" , "Paresh Bhagat" , "Bryan Brattlof" , "Jai Luthra" , "Devarsh Thakkar" , "Beleswar Padhi" , "Francesco Dolcini" , "Stefano Radaelli" Cc: "Vishal Mahaveer" , "Kevin Hilman" , "Sebin Francis" , "Kendall Willis" , "Akashdeep Kaur" , , , , , "Hari Nagalla" Subject: Re: [PATCH v7 07/11] arm64: dts: ti: k3-am62a-ti-ipc-firmware: Move wkup reserved memory X-Mailer: aerc 0.21.0-146-gb5c16ebe1835 References: <20260701-topic-am62a-ioddr-dt-v6-19-v7-0-e9db8b16821a@baylibre.com> <20260701-topic-am62a-ioddr-dt-v6-19-v7-7-e9db8b16821a@baylibre.com> In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260825_054314_825683_9B39FB60 X-CRM114-Status: GOOD ( 19.65 ) 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 --14a369f1291804ff25a36242752313e74f8647a8095442ea6e38a796f654 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Hi Andrew, On Thu Jul 9, 2026 at 9:33 PM CEST, Andrew Davis wrote: > On 7/1/26 7:39 AM, Markus Schneider-Pargmann (TI) wrote: >> Move the reserved memory regions used for wkup_r5fss0_core0 to the >> k3-am62a-ti-ipc-firmware.dtsi. These are all the same for the other >> boards as well, so we can combine them here similar to what is already >> done for the mcu_r5fss0_core0 memory regions. > > The reason we left this region here in the base DTSI is this region > is for the DM firmware and is required for the SoC to function. > The other firmware regions are all optional. I left this in the base dts before and Nishanth pointed out that it should be in the ipc-firmware.dtsi so it only needs to be changed in one place: That was the entire purpose of splitting ipc-firmware.dtsi out - if the default firmware carveouts have changed, do the change in ipc-firmware.dtsi. That way some other firmware people will have could potentially have their own dtsi files and handle things appropriately there, even if they are using the same evm OR if they use the exact ipc-firmware on different boards, that will appropriately introduce the change there as well. BUT, do check first. https://lore.kernel.org/r/20260507155710.5zch4ghhzrj7hnlh@immovably Maybe I am misunderstanding what you are suggesting. Also note that the memory-region list in wkup_r5fss0_core0 which references the memory regions defined in the base dts were always in the ipc-firmware.dtsi. Could you please help me understand how this is modeled so I can update the patches appropriately? Thanks! Best Markus --14a369f1291804ff25a36242752313e74f8647a8095442ea6e38a796f654 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iKMEABYKAEsWIQSJYVVm/x+5xmOiprOFwVZpkBVKUwUCao2N1RsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMiwyLDIRHG1zcEBiYXlsaWJyZS5jb20ACgkQhcFWaZAVSlMY 0wD+MW1P+fXLHbnT0Q5q0xRZNdlX5mzZrZjflYaQeXlZQVkBALnL4EjrbB40bxbu e80zmZ+OmW/bF+SzGKpJy8SoyqYK =pVaV -----END PGP SIGNATURE----- --14a369f1291804ff25a36242752313e74f8647a8095442ea6e38a796f654--