On Fri, Mar 08, 2024 at 09:53:20AM +0000, Howard Yen wrote: > The reason why it needs multiple regions is that in my system there is > an always-on subsystem which includes a small size memory, and several > functions need to run and occupy the memory from the small memory if > they need to run on the always-on subsystem. These functions must > allocate the memory from the small memory region, so that they can get > benefit from the always-on subsystem. So the small memory is split for > multiple functions which are satisfied with their generic use cases. > But in specific use cases, like USB3 devices which support the stream > trasnsfer or multiple devices connect to the host, they required more > memory than their pre-allocated memory region, so I tried to propose > this patch to give it the ability to get the memory from the other > larger memory to solve the issue. ... > + count = of_property_count_elems_of_size(sysdev->of_node, "memory-region", > + sizeof(u32)); Open coded of_property_count_u32_elems(). -- With Best Regards, Andy Shevchenko
