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Tue, 07 Jul 2026 03:35:35 -0700 (PDT) X-Received: by 2002:a05:622a:40d:b0:51c:9fa:bc2e with SMTP id d75a77b69052e-51c4bed6c6bmr126558601cf.10.1783420534637; Tue, 07 Jul 2026 03:35:34 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c15ada04d04sm102848566b.47.2026.07.07.03.35.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Jul 2026 03:35:33 -0700 (PDT) Message-ID: <4afa8797-1cb1-4cf1-bdbd-9cb5725377b8@oss.qualcomm.com> Date: Tue, 7 Jul 2026 12:35:31 +0200 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/3] arm64: dts: qcom: sm8450: Add IPA support To: Esteban Urrutia , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Alex Elder Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org References: <20260622-sm8450-ipa-v1-0-532f0299f96e@proton.me> <20260622-sm8450-ipa-v1-1-532f0299f96e@proton.me> <806046b2-20ed-437e-a7e6-b3c0699f5a2d@oss.qualcomm.com> <66330ed6-826a-431e-9e8e-f2998af55168@oss.qualcomm.com> <1e151b08-5d3b-4b75-8d71-635617868285@proton.me> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <1e151b08-5d3b-4b75-8d71-635617868285@proton.me> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=R7cz39RX c=1 sm=1 tr=0 ts=6a4cd679 cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=l5FYNS5t4BCBesUsx-IA:9 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 X-Proofpoint-GUID: V5qIuhiO-sZ6jnx_WeJLZKOe64DRUpo6 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA3MDEwMiBTYWx0ZWRfXzIOKWfXBB7P5 46cQk2EL1SbVZAZp9OCxYaQz+GQB4gAroq6hH8K+3oLqyb7DYaKGwflV/Co91rxL7eHglZ8Oz3Q tR0uW8KoOpjhTRrw3lKU9MANm2ZLKMTpKL749ij0Cx+4nyclDpzjfBQnR4Q8P0tuGyNP1C1WY5I S6bscJEMNn1OMwJOHh4iOOqfKKlQVKyJNrzHpDgc5cZpwMZ2yjFwLfTCkdSQhbmCOMlKRhyb3AZ +7/pQ26ZV75EsVwsPQhhb19v8SFGvtAnrQdeqWkm9c7LpGOF17a0dtVKJpUW/aw7XHBFohtIsJL IyISrCbBxBmOwAQX/LDF1HpnfoT2LUpzE9qxvNjavxtzxel9JyiSlBjCOD4rCu4W4+wIJlIFXUU R4BQjwfJwytFKKJTmulSjhdmQQNJVuX/kPDk6eLrmzPP+Qa4bcwnQF2D4gsm6gU0jzJgjYtHyIM 1GIso99C0qKvsUrDMmA== X-Proofpoint-ORIG-GUID: V5qIuhiO-sZ6jnx_WeJLZKOe64DRUpo6 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA3MDEwMiBTYWx0ZWRfXydu73w24zBZb YedMoo/xItn2oDRcDA91rjW97UshRSBpCvlMxRw0sD/Cc1k4o7OsPvza9XKE70xenAYFqklhHB0 ccIH5MtCXNIRKsAvXIMX3aQyKH5odR8= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-07_02,2026-07-06_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 lowpriorityscore=0 impostorscore=0 clxscore=1015 malwarescore=0 bulkscore=0 spamscore=0 priorityscore=1501 phishscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607070102 On 6/30/26 3:57 AM, Esteban Urrutia wrote: > On 6/29/26 10:18 AM, Konrad Dybcio wrote: >> Please alter the size of the register range that I mentioned this under, >> as the range is wider than what you specified - the driver takes a big >> offset from this base and accesses far outside the bounds of that range > Just to make sure: > > diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi > index dd151a2c48ec..100daf8120ce 100644 > --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi > +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi > @@ -2643,7 +2643,7 @@ ipa: ipa@3f40000 { > compatible = "qcom,sm8450-ipa"; > > reg = <0 0x3f40000 0 0x10000>, > - <0 0x3f50000 0 0x5000>, > + <0 0x3f50000 0 0xb0000>, > <0 0x3e04000 0 0xfc000>; > reg-names = "ipa-reg", > "ipa-shared", > > Is this what you're referring to? Yes Konrad