[android-porting] Failed to open /dev/mem from opencore framework

Hi, We try to open /dev/mem from user space, within the opencore multimedia framework. The purpose is to allow access to hardware register of a peripheral, as well as map chunks of DMA safe memory between kernel and user space. We tried changing 777 on /dev/mem, no improvement. What is the

[android-porting] Failed to open /dev/mem from opencore framework

Hi, We try to open /dev/mem from user space, within the opencore multimedia framework. The purpose is to allow access to hardware register of a peripheral, as well as map chunks of DMA safe memory between kernel and user space. We tried changing 777 on /dev/mem, no improvement. What is the