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[66.90.144.107]) by smtp.gmail.com with ESMTPSA id j6-20020acab906000000b00383eaea5e88sm9096118oif.38.2023.04.28.14.24.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Apr 2023 14:24:12 -0700 (PDT) Received: (nullmailer pid 299800 invoked by uid 1000); Fri, 28 Apr 2023 21:24:11 -0000 Date: Fri, 28 Apr 2023 16:24:11 -0500 From: Rob Herring To: Yi-De Wu Cc: Yingshiuan Pan , Ze-Yu Wang , Krzysztof Kozlowski , Jonathan Corbet , Catalin Marinas , Will Deacon , Arnd Bergmann , Matthias Brugger , AngeloGioacchino Del Regno , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arch@vger.kernel.org, linux-mediatek@lists.infradead.org, David Bradil , Trilok Soni , Jade Shih , Miles Chen , Ivan Tseng , My Chuang , Shawn Hsiao , PeiLun Suei , Liju Chen Subject: Re: [PATCH v2 2/7] dt-bindings: hypervisor: Add MediaTek GenieZone hypervisor Message-ID: <20230428212411.GA292303-robh@kernel.org> References: <20230428103622.18291-1-yi-de.wu@mediatek.com> <20230428103622.18291-3-yi-de.wu@mediatek.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230428103622.18291-3-yi-de.wu@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230428_142417_807522_366F54EC X-CRM114-Status: GOOD ( 10.32 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Apr 28, 2023 at 06:36:17PM +0800, Yi-De Wu wrote: > From: "Yingshiuan Pan" > > Add documentation for GenieZone(gzvm) node. This node informs gzvm > driver to start probing if geniezone hypervisor is available and > able to do virtual machine operations. Why can't the driver just try and do virtual machine operations to see if the hypervisor is there? IOW, make your software interfaces discoverable. DT is for non-discoverable hardware. Rob _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel