On 22/07/19 10:37 AM, Lokesh Vutla wrote: > Sysfw provides an option for requesting exclusive access for a > device using the flags MSG_FLAG_DEVICE_EXCLUSIVE. If this flag is > not used, the device is meant to be shared across hosts. Once a device > is requested from a host with this flag set, any request to this > device from a different host will be nacked by sysfw. > > Current tisci firmware and pm drivers always requests for device with > exclusive permissions set. But this is not be true for certain devices > that are expcted to be shared across different host contexts. > So add support for getting the shared or exclusive permissions from DT > and request firmware accordingly. Tested Boot log: AM65x-base-board: https://pastebin.ubuntu.com/p/T5fSNrrFCV/ J721e-common-proc-board: https://pastebin.ubuntu.com/p/9fXzCR596n/ Thanks and regards, Lokesh
