linux-kernel - Re: [PATCH v5 0/7] remoteproc: Add driver for STMicroelectronics platforms

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Date:	Wed, 27 Jan 2016 11:19:29 -0800
From:	Bjorn Andersson <bjorn@...o.se>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	kernel@...inux.com, Maxime Coquelin <maxime.coquelin@...com>,
	Ohad Ben-Cohen <ohad@...ery.com>,
	Nathan Lynch <Nathan_Lynch@...tor.com>,
	Florian Fainelli <f.fainelli@...il.com>, ludovic.barre@...com,
	Suman Anna <s-anna@...com>
Subject: Re: [PATCH v5 0/7] remoteproc: Add driver for STMicroelectronics platforms

On Tue, Jan 26, 2016 at 11:31 PM, Lee Jones <lee.jones@...aro.org> wrote:
>
> Apologies for ping (I hate doing that), but I haven't heard anything
> from you.  Do you want me to re-submit this set, or are you willing to
> take this and apply the relevant Acks?
>

I had a chat with Ohad and offered my assistance with his work. So I
will pick up the role as co-maintainer of his subsystems.

I will pick up patch 1-4 of your v5 as soon as I've sorted out the
practicalities around this, no need to resubmit them.

Sorry for the delay!

Regards,
Bjorn

> > ST's platforms often have multiple co-processors (usually ST40s or ST231s)
> > on-board.  This provides the Linux-side infrastructure to flash and boot
> > them successfully.
> >
> > This set has been tested on an STiH410-B2120.
> >
> > v4 => v5:
> >  - Check for invalid 'count' (command read length) in write fn()s
> >
> > v3 => v4:
> >  Suggested-by: Suman Anna <s-anna@...com>
> >  - Move to using 'reserved-memory' API
> >    - New 'reserved-memory' nodes
> >    - Remove memory locations from RemoteProc's DT node's reg properties
> >    - Remove C code obtaining/allocating DMA memory
> >  - Re-order .start() and .stop() ops
> >  - Add protection around Reset API in error path
> >  - Explicitly set .has_iommu to false
> >
> > v2 => v3:
> >  - Generify syscon property (st,syscfg-boot => st,syscfg)
> >  - Rename IP in DT bindings doc (Remote Processor => Co-Processor)
> >  - Remove superfluous 'clock-names' property
> >  - Remove superfluous 'reg-names' property
> >  - Populate MAINTAINERS
> >  - Clean-up DTS formatting
> >  - Use strings in debugfs to control procs ('1|0' => 'start|stop')
> >  - Align copyright statement with MODULE() macros
> >  - Rename driver data structure ('st_rproc' => 'ddata')
> >  - Addition of a full error path in .start()
> >
> > v1 => v2:
> >  - Remove Linux implementation specific comment from binding document
> >  - Force debugfs '0' to shutdown co-processor - rather than !1
> >  - Supply more detailed commit message
> >  - Propagate errors back from .stop()
> >  - Review GPL wording
> >  - Supply original author's SoBs
> >
> > Lee Jones (7):
> >   remoteproc: debugfs: Check of invalid 'count' value
> >   remoteproc: dt: Provide bindings for ST's Remote Processor Controller
> >     driver
> >   remoteproc: debugfs: Add ability to boot remote processor using
> >     debugfs
> >   remoteproc: Supply controller driver for ST's Remote Processors
> >   MAINTAINERS: Add ST's Remote Processor Driver to ARM/STI ARCHITECTURE
> >   ARM: STiH407: Add nodes for RemoteProc
> >   ARM: STiH407: Move over to using the 'reserved-memory' API for
> >     obtaining DMA memory
> >
> >  .../devicetree/bindings/remoteproc/st-rproc.txt    |  41 +++
> >  MAINTAINERS                                        |   1 +
> >  arch/arm/boot/dts/stih407-family.dtsi              |  70 +++++
> >  drivers/remoteproc/Kconfig                         |   9 +
> >  drivers/remoteproc/Makefile                        |   1 +
> >  drivers/remoteproc/remoteproc_debugfs.c            |  38 ++-
> >  drivers/remoteproc/st_remoteproc.c                 | 297 +++++++++++++++++++++
> >  7 files changed, 455 insertions(+), 2 deletions(-)
> >  create mode 100644 Documentation/devicetree/bindings/remoteproc/st-rproc.txt
> >  create mode 100644 drivers/remoteproc/st_remoteproc.c
> >
>
> --
> Lee Jones
> Linaro STMicroelectronics Landing Team Lead
> Linaro.org │ Open source software for ARM SoCs
> Follow Linaro: Facebook | Twitter | Blog
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