Re: [PATCH v3 0/3] soc: ti: Introduce wkup_m3_ipc driver

[Dave Gerlach]

Hi,
On 10/20/2015 11:18 AM, Tony Lindgren wrote:
> Hi all,
>
> * Dave Gerlach <d-gerlach@xxxxxx> [150922 17:20]:
> > Hi,
> > 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 [1]. 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 [2]. 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 [3] to provide a big picture view of the plan for
> > this series.
> >
> > This driver relies on the firmware at [4] 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 [1] can patch 2 and 3 be picked up? 
These apply cleanly on v4.4-rc3.

Regards,
Dave

[1] 
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8e3c5952144f045a0c81bf674d3f5e1d9aafceb7

> Regards,
>
> Tony
>
>
> > [1] https://lkml.org/lkml/2015/7/17/797
> > [2] https://lkml.org/lkml/2015/7/17/813
> > [3] https://github.com/dgerlach/linux-pm/tree/pm-v4.3-rc1-amx3-suspend
> > [4] 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
> >
> > --
> > 2.4.6

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