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Fri, 30 Oct 2026 02:39:32 -0700 (PDT) Received: from [10.219.57.214] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-36a42a98f65sm5716667eec.28.2026.10.30.02.39.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 30 Oct 2026 02:39:32 -0700 (PDT) Message-ID: <2e26e864-1f17-48b1-b84d-17057e7a343f@oss.qualcomm.com> Date: Fri, 30 Oct 2026 15:09:26 +0530 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 v2 1/4] dt-bindings: misc: qcom,fastrpc: add iommu-ranges support for context bank To: Krzysztof Kozlowski Cc: Srinivas Kandagatla , Ekansh Gupta , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Arnd Bergmann , Greg Kroah-Hartman , Bharath Kumar , Chenna Kesava Raju , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261007-extended-mapping-v2-0-5dca3aa2c2d3@oss.qualcomm.com> <20261007-extended-mapping-v2-1-5dca3aa2c2d3@oss.qualcomm.com> <20261009-space-crane-of-prosperity-bba4d7@quoll> <1276435d-7102-42f7-ad92-84c61aed6d2c@oss.qualcomm.com> <30044b8e-cd81-4798-991c-dd2e7ca6d502@kernel.org> Content-Language: en-US From: Vinayak Katoch In-Reply-To: <30044b8e-cd81-4798-991c-dd2e7ca6d502@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDMwMDAzOCBTYWx0ZWRfX+eMVKOQf5IXn RTUQ0qe1D9PemkSm1krHkTz/SFnLeiAh8QkUNYAYergS4onqZEKrkox6XZytwUgueq5RmdvY/HV lcyUjAG+4ZrHOHTJmE0rwdBoZmsGPKejp8rna4ubdB5gpbK3xf0+ghZNA3Df3l8MwgitLwt+xTL /ACZ20E+iauNZoUS1FdFnBcONHF2WlXBLC5WOqPnkfjRUbraAHiPJGgb4+RYH3q4veJdO0YQSB5 +DX5CiGoZ1+i6M3onsQUuc+TWKKrYFfiodsgHMX82G6S/F8axZPH9F1wd2FV04MPD+BtXmrEAck Eg4Sy44Q3N5rgh/+JOVAvxA9nIb08zXm54xCFT1jmzBd69xwHyVgOK2InEVub4YwwzhST861/fm bdxcNkpDTYzkwRIfg95H3LXOLcjbQOZkUP+eClf/KN3rWrCgYLzc7NNf3Fuo/xD49YGtK/F741C l2IA9Rtrfs8Xst/rh4Q== X-Proofpoint-GUID: TGqPFpAD43lGV4RARX7tqR8J0xL8Cedx X-Authority-Analysis: v=2.4 cv=Lp4HWXdc c=1 sm=1 tr=0 ts=6ae465d6 cx=c_pps a=wEP8DlPgTf/vqF+yE6f9lg==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=iXeEQ78Lhshhe8WC178A:9 a=QEXdDO2ut3YA:10 a=bBxd6f-gb0O0v-kibOvt:22 X-Proofpoint-ORIG-GUID: TGqPFpAD43lGV4RARX7tqR8J0xL8Cedx X-Proofpoint-Spam-Info: AW1haW4tMjYxMDMwMDAzOCBTYWx0ZWRfX0M40mjCOjtip H3l02fTKNpn9wYAXQJFUzM1NHl2GyNxyRfIdI2qpAQyTngdErgTFusYuYNuADL4lyJ6bTBhXYPK K4jHHvVPothPNqWxlT9b4emhKjJHP1I= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-10-30_03,2026-10-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 malwarescore=0 clxscore=1015 impostorscore=0 spamscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610300038 On 10/27/2026 7:57 PM, Krzysztof Kozlowski wrote: > On 27/10/2026 14:12, Vinayak Katoch wrote: >>>> >>>> Relax #address-cells to enum: [1, 2] and #size-cells to enum: [0, 2] to >>>> allow platforms that require 64-bit values in iommu-ranges to pass >>>> binding validation. >>> >>> Which platforms are these? >>> >> >> Kaanapali onwards, I'll update it in the commit message. > > Then why all of them are changed... anyway, you responded two weeks > after comments, so that's only fair if we also review in two weeks time. > > Best regards, > Krzysztof Agreed, relaxing the cells for all compatibles was too broad, and sorry for the late reply. In the next version, I will add conditions so that the 2/2 layout is accepted only for Kaanapali onwards, and plain "qcom,fastrpc" stays at 1/0. I will also update the commit message and add the new example.