[PATCH v3 0/3] soc: ti: Introduce wkup_m3_ipc driver
d-gerlach at ti.com
Wed Dec 2 12:29:53 PST 2015
On 10/20/2015 11:18 AM, Tony Lindgren wrote:
> Hi all,
> * Dave Gerlach <d-gerlach at ti.com> [150922 17:20]:
>> This series is version 3 of the code to introduce a wkup_m3_ipc driver
>> to handle communication between the MPU and Cortex M3 present on TI AM335x
>> and AM437x SoCs. v2 of this series can be found at . Only patch 3
>> has been changed based on a request from Tony and a few cleanups:
>> - Rather than exporting all of the functionality of the driver, added
>> wkup_m3_ipc_get and wkup_m3_ipc_put to allow users to just get a handle
>> containing an ops structure for use.
>> - Changed all ops (previously exported functions) to take pointer to
>> struct wkup_m3_ipc as an argument now that user code will get this
>> from wkup_m3_ipc_get.
>> - General cleanup to probe function
>> - Added MODULE_DEVICE_TABLE so driver can probe automatically.
>> The series containing the DT nodes can be found here . The actual dt
>> nodes for wkup_m3_ipc (last two patches) have been merged but discussion
>> is still open for the ti,mbox-send-noirq flag patches and depends on the
>> comments provided for the omap-mailbox change presented in patch 1 of
>> this series.
>> A full branch containing all necessary PM code for both am335x and am437x
>> has been pushed here  to provide a big picture view of the plan for
>> this series.
>> This driver relies on the firmware at  in the next-upstream branch
>> being present in /lib/firmware in the rootfs or built in to the kernel.
> Anybody got comments on this one? Should I pick up this series or
> what's the plan?
Now that Patch 1 has been merged  can patch 2 and 3 be picked up?
These apply cleanly on v4.4-rc3.
>>  https://lkml.org/lkml/2015/7/17/797
>>  https://lkml.org/lkml/2015/7/17/813
>>  https://github.com/dgerlach/linux-pm/tree/pm-v4.3-rc1-amx3-suspend
>>  https://git.ti.com/ti-cm3-pm-firmware
>> Dave Gerlach (3):
>> mailbox/omap: Add ti,mbox-send-noirq quirk to fix AM33xx CPU Idle
>> Documentation: dt: add bindings for TI Wakeup M3 IPC device
>> soc: ti: Add wkup_m3_ipc driver
>> .../devicetree/bindings/mailbox/omap-mailbox.txt | 8 +
>> .../devicetree/bindings/soc/ti/wkup_m3_ipc.txt | 57 +++
>> drivers/mailbox/omap-mailbox.c | 49 +-
>> drivers/soc/ti/Kconfig | 10 +
>> drivers/soc/ti/Makefile | 1 +
>> drivers/soc/ti/wkup_m3_ipc.c | 508 +++++++++++++++++++++
>> include/linux/wkup_m3_ipc.h | 55 +++
>> 7 files changed, 684 insertions(+), 4 deletions(-)
>> create mode 100644 Documentation/devicetree/bindings/soc/ti/wkup_m3_ipc.txt
>> create mode 100644 drivers/soc/ti/wkup_m3_ipc.c
>> create mode 100644 include/linux/wkup_m3_ipc.h
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