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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=9Mr2lXDff0lWl4Oqb0zskCrpJHB3nAzy/iWfb+JzHRg=; b=THHO9nWTFeGOcZnb/SE7HAfFVMQ0P4Kgj+beC+E+VzQIRZwPVpTTT3y/FR9xyD2a+m o1aj16lS9sIk+IuBhui0wd7EOTWP50RfiGeuBnYnniKYcYKtwKnO+g2S1KfVSfvXRi29 n8AkvN7mwUKRHh/pIvza8fW69ThjcfgsT+1+7vuwur2nMBLdv7KzY8RqJFtA/8eihRDd PJ+rdkRaW/9Zw0NyvZtHSvq26dnPyUEglTWHhIX22DzhzEWqEf9f5EUcWZRrMEsoe0B2 XxGTCRzlgx6yjyXIFWkVbhKD/+mbi7UrEJ2vKzHSARdnA2brozRP5vp9VU82CQGwZ/tl JPsA== X-Gm-Message-State: APjAAAWXYbsjJXuiYGW4BILOhwo5ShncQ21DPnCrXGyP4p4K6EZmZQhO UT7pVXK/ZcJpMpfLOr8QW6kV/NUBpBwbwFEqcWs= X-Google-Smtp-Source: APXvYqxVb4j/pK7lQkG3nN5g+e254vhTdNkB8Z78w2sfgUfvMWSJbq4pUkAXHT0nNm5Hub6BqY7u/RfZeo+HumOqsbo= X-Received: by 2002:a50:ad0c:: with SMTP id y12mr57892197edc.25.1563782534815; Mon, 22 Jul 2019 01:02:14 -0700 (PDT) MIME-Version: 1.0 References: <1562298766-25066-1-git-send-email-bmeng.cn@gmail.com> In-Reply-To: From: Bin Meng Date: Mon, 22 Jul 2019 16:02:03 +0800 Message-ID: Subject: Re: [PATCH] riscv: dts: fu540-c000: Add "status" property to cpu node To: Anup Patel X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190722_010217_238798_8011A44D X-CRM114-Status: GOOD ( 10.60 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree , Albert Ou , Palmer Dabbelt , Yash Shah , Rob Herring , Paul Walmsley , linux-riscv Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org On Fri, Jul 5, 2019 at 1:11 PM Bin Meng wrote: > > On Fri, Jul 5, 2019 at 11:59 AM Anup Patel wrote: > > > > > > > > > -----Original Message----- > > > From: linux-riscv On Behalf Of Bin > > > Meng > > > Sent: Friday, July 5, 2019 9:23 AM > > > To: linux-riscv ; devicetree > > > ; Rob Herring ; Mark > > > Rutland ; Albert Ou ; > > > Paul Walmsley ; Palmer Dabbelt > > > ; Yash Shah > > > Subject: [PATCH] riscv: dts: fu540-c000: Add "status" property to cpu node > > > > > > Per device tree spec, the "status" property property shall be present for > > > nodes representing CPUs in a SMP configuration. This property is currently > > > missing in cpu 1/2/3/4 node in the fu540-c000.dtsi. > > > > We don't need explicit "status = okay" for SOC internal devices > > (such as PLIC, INTC, etc) which are always enabled by default. > > > > Yes, that's fine because those device bindings do not require them. > > > Absence of "status" DT prop is treated as enabled by default. > > > > But per current device tree spec, "status" in cpu node is mandatory. > (spec uses "shall"). Missing it is a spec violation. Ping? Regards, Bin _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv