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Mon, 29 Jul 2024 02:02:04 -0700 (PDT) Received: from [10.176.68.61] ([192.19.176.250]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6bb3f8d81e2sm49047726d6.25.2024.07.29.02.02.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 29 Jul 2024 02:02:04 -0700 (PDT) Message-ID: <225279b3-882b-4d97-b7f4-08129c1f05a7@broadcom.com> Date: Mon, 29 Jul 2024 11:01:59 +0200 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 v4 2/5] dt-bindings: net: wireless: brcm4329-fmac: add clock description for AP6275P Wi-Fi device To: Jacobe Zang , Krzysztof Kozlowski , "robh@kernel.org" , "krzk+dt@kernel.org" , "heiko@sntech.de" , "kvalo@kernel.org" , "davem@davemloft.net" , "edumazet@google.com" , "kuba@kernel.org" , "pabeni@redhat.com" , "conor+dt@kernel.org" Cc: "efectn@protonmail.com" , "dsimic@manjaro.org" , "jagan@edgeble.ai" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-rockchip@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "arend@broadcom.com" , "linux-wireless@vger.kernel.org" , "netdev@vger.kernel.org" , "megi@xff.cz" , "duoming@zju.edu.cn" , "bhelgaas@google.com" , "minipli@grsecurity.net" , "brcm80211@lists.linux.dev" , "brcm80211-dev-list.pdl@broadcom.com" , Nick Xie References: <20240729070102.3770318-1-jacobe.zang@wesion.com> <20240729070102.3770318-3-jacobe.zang@wesion.com> <1724f480-369d-4b4a-9384-1c6b33b00433@kernel.org> Content-Language: en-US From: Arend van Spriel Autocrypt: addr=arend.vanspriel@broadcom.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 7/29/2024 10:17 AM, Jacobe Zang wrote: >>> Add clocks and clock-names for brcm4329-fmac. >> >> Why? Which devices have it? If only your newest addon, then squash the >> patches and add appropriate allOf:if:then disallowing the clocks for >> others. Or maybe all of them have it? Why commit msg does not explain >> anything about the hardware? > > Alright... Becuase of the datasheet said hardware has one LPO clock input. So > I will add allOf:if:then for this specific hardware Maybe this can help clarifying the commit message. All Broadcom wireless chips have this clock input, but often the chip end up on a wifi module that may or may not provide the clock. From chip perspective the clock input is always present, but it is optional as the chip can also use an internal clock. As such I would not choose to make this specific to this AP6275P hardware (just my 2 cents). Regards, Arend