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Mon, 26 Oct 2026 08:23:21 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c46bd64f8c4sm335085266b.47.2026.10.26.08.23.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 26 Oct 2026 08:23:20 -0700 (PDT) Message-ID: Date: Mon, 26 Oct 2026 16:23:18 +0100 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v11 1/2] arm64: dts: qcom: qcm6490-idp/qcs6490-rb3gen2: Keep wlan_ce_mem and drop redundant wifi memory-region To: Mukesh Ojha Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260803121042.3313824-1-mukesh.ojha@oss.qualcomm.com> <20260803121042.3313824-2-mukesh.ojha@oss.qualcomm.com> <23370124-adb0-4b9f-a818-0a864a291099@oss.qualcomm.com> <20260920075457.ftpkl6bpuktom2be@hu-mojha-hyd.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260920075457.ftpkl6bpuktom2be@hu-mojha-hyd.qualcomm.com> Content-Type: text/plain; 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Deleting it in qcm6490-idp.dts and qcs6490-rb3gen2.dts is >>> erroneous — the region must remain present regardless of whether the >>> underlying OS uses it — so drop the /delete-node/ &wlan_ce_mem; from >>> both board files. >> >> But it starts below 0x8000_0000 where RAM starts, so it shouldn't really >> matter, no? > > This region is used by the WLAN driver when Linux is at EL2, and similar to > Kodiak Chrome, Kodiak IOT also needs to use it. Right, it's a sneaky iommu_map Reviewed-by: Konrad Dybcio Konrad