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Tue, 30 Jan 2024 23:45:52 -0800 (PST) Message-ID: Date: Wed, 31 Jan 2024 08:45:49 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next 2/3] dt-bindings: net: cdns,macb: Add wol-arp-packet property Content-Language: en-US To: Vineeth Karumanchi , Andrew Lunn Cc: nicolas.ferre@microchip.com, claudiu.beznea@tuxon.dev, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, linux@armlinux.org.uk, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, git@amd.com References: <20240130104845.3995341-1-vineeth.karumanchi@amd.com> <20240130104845.3995341-3-vineeth.karumanchi@amd.com> <824aad4d-6b05-4641-b75d-ceaa08b0a4e8@lunn.ch> <09ce2e81-01cc-431f-8acb-076a54e5a7e6@amd.com> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 31/01/2024 08:39, Vineeth Karumanchi wrote: > Hi Andrew, > > > On 31/01/24 6:56 am, Andrew Lunn wrote: >> On Tue, Jan 30, 2024 at 04:18:44PM +0530, Vineeth Karumanchi wrote: >>> "wol-arp-packet" property enables WOL with ARP packet. >>> It is an extension to "magic-packet for WOL. >> >> It not clear why this is needed. Is this not a standard feature of the >> IP? Is there no hardware bit indicating the capability? >> > > WOL via both ARP and Magic packet is supported by the IP version on ZU+ > and Versal. However, user can choose which type of packet to recognize > as a WOL event - magic packet or ARP. The existing DT binding already > describes one entry for wol via magic packet. Hence, adding a new packet > type using the same methodology. And why would this be board-level configuration? This looks like OS policy. Best regards, Krzysztof