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[144.49.247.22]) by smtp-relay.gmail.com with ESMTPS id 98e67ed59e1d1-3b17db57cdcsm406197a91.5.2026.11.10.11.07.12 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 10 Nov 2026 11:07:12 -0800 (PST) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-pj1-f69.google.com with SMTP id 98e67ed59e1d1-3ad704d4760so2746991a91.3 for ; Tue, 10 Nov 2026 11:07:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1794337631; x=1794942431; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=3pk5DW/V6VeFLnQOE3OY9sAFDQ/PzjxAc+hYqzj2LB8=; b=Bphlk1eHgYl509TbK2mjAs+B2rwp4++CaljdvbK/KsWNas2F6yh16MWf/UR5HEODKo eJzT1cZxfaOHvTgxhvWqfCxRrAeKEXMYX7b0MtT6ZyWqhfo1TlPII0PKNfXHnfo6rtTk syUq2O8JLpbSWYCvxTIRdYwx9gA9uFiwIjt7o= X-Forwarded-Encrypted: i=1; AL+hErHtartRdVQGK+AIEt4xKoJSKenwjeu8UfsiDmY+p4Xb8ITUeLp2XODVJTFpHgeJyG4HCvZqrEKSerExzISZ3eXP@lists.infradead.org X-Received: by 2002:a17:90b:3902:b0:3a4:967c:6947 with SMTP id 98e67ed59e1d1-3b166cc1512mr3321462a91.21.1794337631054; Tue, 10 Nov 2026 11:07:11 -0800 (PST) X-Received: by 2002:a17:90b:3902:b0:3a4:967c:6947 with SMTP id 98e67ed59e1d1-3b166cc1512mr3321420a91.21.1794337630434; Tue, 10 Nov 2026 11:07:10 -0800 (PST) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3b17db7df7csm862880a91.11.2026.11.10.11.07.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Nov 2026 11:07:08 -0800 (PST) From: Florian Fainelli To: bcm-kernel-feedback-list@broadcom.com, Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lorenzo Pieralisi , Florian Fainelli , Russell King , William Zhang , Anand Gore , Kursad Oney , =?iso-8859-2?q?Rafa=B3_Mi=B3ecki?= Cc: Florian Fainelli , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v5 1/3] dt-bindings: arm: cpus: Add brcm,bca-smp enable method Date: Tue, 10 Nov 2026 11:07:05 -0800 Message-ID: <20261110190705.2345733-1-florian.fainelli@broadcom.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261105-genexis-xg6846-smp-v7-3-rc1-v5-1-4103df2588d3@kernel.org> References: <20261105-genexis-xg6846-smp-v7-3-rc1-v5-0-4103df2588d3@kernel.org> <20261105-genexis-xg6846-smp-v7-3-rc1-v5-1-4103df2588d3@kernel.org> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261110_110714_538478_F2244661 X-CRM114-Status: GOOD ( 12.07 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 From: Florian Fainelli On Thu, 05 Nov 2026 14:24:46 +0100, Linus Walleij wrote: > BCMBCA systems booted through CFE can release a secondary CPU by > writing its ARM-state entry address to a 32-bit MMIO mailbox and > sending a wakeup interrupt. > > Document brcm,bca-smp and its single-cell cpu-release-addr property. > Require the mailbox address on CPU1, which CFE leaves in a holding pen. > CPU0 is already running and does not need a release address. Add a > Cortex-A7 example with the mailbox address only on CPU1. > > Suggested-by: William Zhang > Reviewed-by: William Zhang > Signed-off-by: Linus Walleij > --- Applied to https://github.com/Broadcom/stblinux/commits/soc/next, thanks! -- Florian