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

From: Lee Jones
Date: Wed Jan 27 2016 - 02:31:48 EST


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?

> 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@xxxxxx>
> - 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 â Open source software for ARM SoCs
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