From mboxrd@z Thu Jan 1 00:00:00 1970 From: balbi@ti.com (Felipe Balbi) Date: Fri, 2 Jan 2015 14:33:20 -0600 Subject: [PATCH 2/3] soc: ti: Add wkup_m3_ipc driver In-Reply-To: <20150102201643.GE4920@saruman> References: <1420228817-41310-1-git-send-email-d-gerlach@ti.com> <1420228817-41310-3-git-send-email-d-gerlach@ti.com> <20150102201643.GE4920@saruman> Message-ID: <20150102203320.GF4920@saruman> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: