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X-MS-Exchange-CrossPremises-SCL: 1 X-MS-Exchange-CrossPremises-Processed-By-Journaling: Journal Agent X-OrganizationHeadersPreserved: AS2P192MB2224.EURP192.PROD.OUTLOOK.COM X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTI3MDA2NyBTYWx0ZWRfX2zuJL0/ikLP0 G/JoqSLoyoeFn82nUW86qNFQivKCpGcMePnRClvZSklOz0V031cjL1lj0Up4XTZQumhnBmvVqI3 aBVYw5yps4pHRuKs1pz1V8DgaIzGDxcauQmhBo1nNtPe0uyHOvpiXI3fbOPKAvC1ASX8uN5MYW7 wvE8wVulUCXpA4q4GZzDLMIeXVsySrZ8kYkOEqAT5uTshojUsGSST0zEoZM4akDqLgnM9vSqcSm bcqxOK3svK1XH5hL3dMWsyvNOv0+v8Urkpnclj97QasiuyjAeOhjWc8azExWxcEqXeLI+CSv3XF QCksMrm0JLGbz0RGiq+XEGQfklCKGtRrJUXSiNMug0Few+6Tqig4lz+4k1fGCnvQN2wEdrbv6+h GPbTw4yBPWvc2pAdhuvUBJ/mGTrivXVL/kdG0kj5UVSgxdYjamUxR0XtMPjUdSNDIQVCRiQ0Q1b +nOEHNfV76X3rG3VI8w== X-Proofpoint-ORIG-GUID: W4LTPrFBrsB4hzBk444Ey4BHIUozP0_7 X-Proofpoint-GUID: W4LTPrFBrsB4hzBk444Ey4BHIUozP0_7 X-Authority-Analysis: v=2.4 cv=P+83RyAu c=1 sm=1 tr=0 ts=6978759a cx=c_pps a=0VTmEJu8kJrSWnrl2fAwgg==:117 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=8gLI3H-aZtYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=3Nu3HZ8-lFzBu4_yR-oA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260127_002202_209568_7F6BA91E X-CRM114-Status: GOOD ( 11.16 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello developers, I’m using an NXP LS1046A SoC with the integrated DWC3 USB controller in host mode. On Linux v5.5.167 my USB flash drive was detected and mountable. After upgrading to Linux v6.6.110 the USB flash drive is no longer recognized. If it is already plugged in during boot phase I get the following errors: xhci-hcd xhci-hcd.2.auto: Error while assigning device slot ID: Command Aborted xhci-hcd xhci-hcd.2.auto: Max number of devices this xHCI host supports is 127 I have narrowed the issue down to the following commit: 136975c33894e7b48a6007af0f4c25f423bbd1de arm64: dts: ls1046a: make dma-coherent global to the SoC When I revert this commit, USB works perfectly on my system. I have already asked on the `linux-usb` mailing list (https://lore.kernel.org/linux-usb/aTFr17xKxnWGG3vU@FUE-ALEWI-WINX/) and also forwarded the message to `linux-arm-kernel`, but I haven’t received any replies so far. Has anyone encountered this problem on the LS1046 or a similar platform? Any hints or experiences would be greatly appreciated. Best regards Alexander Wilhelm