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

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Date:	Tue, 12 Jan 2016 12:46:14 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	kernel@...inux.com, maxime.coquelin@...com, ohad@...ery.com,
	devicetree@...r.kernel.org, Nathan_Lynch@...tor.com,
	f.fainelli@...il.com, ludovic.barre@...com, s-anna@...com,
	Lee Jones <lee.jones@...aro.org>
Subject: [PATCH v5 0/7] remoteproc: Add driver for STMicroelectronics platforms

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

-- 
1.9.1