On Fri, Jan 02, 2015 at 02:16:43PM -0600, Felipe Balbi wrote: > On Fri, Jan 02, 2015 at 02:00:16PM -0600, Dave Gerlach wrote: > > Introduce a wkup_m3_ipc driver to handle communication between the MPU > > and Cortex M3 wkup_m3 present on am335x. > > > > This driver is responsible for actually booting the wkup_m3_rproc and > > also handling all IPC which is done using the IPC registers in the control > > module, a mailbox, and a separate interrupt back from the wkup_m3. A small > > API is exposed for executing specific power commands, which include > > configuring for low power mode, request a transition to a low power mode, > > and status info on a previous transition. another comment is that no user of such API is provided, so it's very difficult to verify that there's no other way of implementing this. -- balbi
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