On Fri, Nov 18, 2016 at 02:28:07PM +0530, Jassi Brar wrote: > On Wed, Nov 16, 2016 at 11:11 PM, Thierry Reding > wrote: > > From: Thierry Reding > > > > This driver exposes a mailbox interface for interprocessor communication > > using the Hardware Synchronization Primitives (HSP) module's doorbell > > mechanism. There are multiple HSP instances and they provide additional > > features such as shared mailboxes, shared and arbitrated semaphores. > > > > A driver for a remote processor can use the mailbox client provided by > > the HSP driver and build an IPC protocol on top of this synchronization > > mechanism. > > > > Based on work by Joseph Lo . > > > > Signed-off-by: Thierry Reding > > Acked-by: Jassi Brar Thanks! Thierry