On 12/5/2024 11:12 PM, Konrad Dybcio wrote: > On 3.12.2024 10:18 AM, Raj Kumar Bhagat wrote: >> On 11/4/2024 7:46 PM, Konrad Dybcio wrote: >>> On 15.10.2024 8:26 PM, Raj Kumar Bhagat wrote: >>>> The Ath2k AHB device (IPQ5332) firmware requests BDF_MEM_REGION_TYPE >>>> memory during QMI memory requests. This memory is part of the >>>> HOST_DDR_REGION_TYPE. Therefore, add the BDF memory address to the >>>> hardware parameter and provide this memory address to the firmware >>>> during QMI memory requests. >>> >>> Sounds like something to put in the device tree, no? >>> >> >> This BDF memory address is the RAM offset. We did add this in device tree in >> version 1. This is removed from device tree in v2 based on the review comment that >> DT should not store RAM offset. >> >> refer below link: >> Link: https://lore.kernel.org/all/f8cd9c3d-47e1-4709-9334-78e4790acef0@xxxxxxxxxx/ > > Right, I think this could be something under /reserved-memory instead > Thanks for the suggestion. However, the BDF_MEM_REGION_TYPE is already within the memory reserved for HOST_DDR_REGION_TYPE through /reserved-memory. Therefore, reserving the memory for BDF_MEM_REGION_TYPE again in the Device Tree (DT) will cause a warning for 'overlapping memory reservation'.
