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Fri, 03 Jul 2026 01:57:41 -0700 (PDT) X-Received: by 2002:ac8:7c51:0:b0:51b:f40b:2faf with SMTP id d75a77b69052e-51c26a7769dmr76953791cf.4.1783069060725; Fri, 03 Jul 2026 01:57:40 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c12b62fc72dsm256179766b.63.2026.07.03.01.57.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 03 Jul 2026 01:57:40 -0700 (PDT) Message-ID: <0b182566-2a54-4e31-9a1e-40bdbb0f4a65@oss.qualcomm.com> Date: Fri, 3 Jul 2026 10:57:37 +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 v2 5/6] dt-bindings: dma: qcom,bam-dma: Increase iommus maxItems to seven To: Kuldeep Singh , Krzysztof Kozlowski Cc: Herbert Xu , "David S. Miller" , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Harshal Dev , Vinod Koul , Bartosz Golaszewski , Konrad Dybcio , Frank Li , Andy Gross , Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org References: <20260702-b4-shikra_crypto_changse-v2-0-66173f2f28b3@qti.qualcomm.com> <20260702-b4-shikra_crypto_changse-v2-5-66173f2f28b3@qti.qualcomm.com> <20260703-steadfast-greedy-seagull-ad32ab@quoll> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAzMDA4NSBTYWx0ZWRfX+FoDWeEQfJ3V zubjUTIWcMKxKEOMI3nq7mOf0IPGH0zcyJHuphiE6DuxSjql8ihrKYOYQJPDwoYtRgywBuTbYkF kHM4bUr7cnMc8oiwkEcJi9SSDyF4poDvs2COiAUVUpIuXVTG8kp+KALyWPdT0grLUg70Pvm9cCo IVhKZUYlfMnN6NSfEK33ANWMguIvjYtOymCByjUohkdd49MJv+u3LMw5ROQnzntX5866ikd8sBh m6cDoGOi/x87m+kUTi9OCitIBks7vKrDX5A3wQh6y3d5FQpC7y3NW1aYBXofExRx13Zug5i9vTT OvwM1yHxqiwaUhQ4CWAVKzXRAcYYEXlwL30AfmSOZs1wks/Z9n7aEyxzoY68m56TNWL5qvqP3Bh 4WknLvh98V285Z1boSAqFuVbCSYbe3d9zCu0rA4jq4AeuPCNIJW1w/9FM1QyR0Wtq0q7hPF4Zyd mXDnFtZHIGXot8qX2hA== X-Proofpoint-GUID: BpmDvmfITkGMLVVbO-cB70xF4AEUt2Xz X-Authority-Analysis: v=2.4 cv=QbFWeMbv c=1 sm=1 tr=0 ts=6a477986 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=7f3yg-VG_fZZVZRDPQcA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-ORIG-GUID: BpmDvmfITkGMLVVbO-cB70xF4AEUt2Xz X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAzMDA4NSBTYWx0ZWRfX9nXWlVEJXBtT RADgHqpBeTQ+9GgTTBD/QTu3kO+x1SRXRgOC7TwAnDrSQkAx3VL1w1Gc9ne1FBB9YdH3EJ9CvWR KXbIXEqcl+K7ikJl+v4O23rvHe1ZH80= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-03_02,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 phishscore=0 malwarescore=0 suspectscore=0 clxscore=1015 bulkscore=0 impostorscore=0 lowpriorityscore=0 spamscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607030085 On 7/3/26 10:38 AM, Kuldeep Singh wrote: > On 03-07-2026 12:24, Krzysztof Kozlowski wrote: >> On Thu, Jul 02, 2026 at 01:47:15AM +0530, Kuldeep Singh wrote: >>> Upcoming Shikra BAM DMA uses 7 IOMMU entries and not 6, so increase the >>> `iommus` maxItems constraint. >>> >>> Fix below error: >>> dma-controller@1b04000 (qcom,bam-v1.7.4): iommus: [[25, 132, 17], [25, >> >> There is no dma-controller@1b04000 in DTS. Please drop all the warnings >> which do not exist. > > Kindly check patch 6/6, it is introducing bam node with 7iommus which IP > describes and hence, updated bindings before to accustom this which also > helps in avoiding rob's dt-schema bot error. Krzysztof is saying that the error doesn't exist in the tree (because the offending DTS hunk is not merged), so you shouldn't claim this fixes an error, rather that Shikra simply needs it Konrad