From: Suman Anna <s-anna@ti.com>
To: Mathieu Poirier <mathieu.poirier@linaro.org>,
Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org>
Cc: ohad@wizery.com, devicetree@vger.kernel.org, praneeth@ti.com,
linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org,
bjorn.andersson@linaro.org, rogerq@kernel.org,
robh+dt@kernel.org, ssantosh@kernel.org,
linux-omap@vger.kernel.org, lee.jones@linaro.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 0/5] Introduce PRU remoteproc consumer API
Date: Wed, 6 Jan 2021 18:03:25 -0600 [thread overview]
Message-ID: <11303a1b-5ab4-def5-77b1-c500894c9c87@ti.com> (raw)
In-Reply-To: <20210106232704.GE9149@xps15>
Hi Mathieu,
On 1/6/21 5:27 PM, Mathieu Poirier wrote:
> On Wed, Dec 16, 2020 at 05:52:34PM +0100, Grzegorz Jaszczyk wrote:
>> Hi All,
>>
>> The Programmable Real-Time Unit and Industrial Communication Subsystem
>> (PRU-ICSS or simply PRUSS) on various TI SoCs consists of dual 32-bit
>> RISC cores (Programmable Real-Time Units, or PRUs) for program execution.
>>
>> There are 3 foundation components for PRUSS subsystem: the PRUSS platform
>> driver, the PRUSS INTC driver and the PRUSS remoteproc driver. All were
>> already merged and can be found under:
>> 1) drivers/soc/ti/pruss.c
>> Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml
>> 2) drivers/irqchip/irq-pruss-intc.c
>> Documentation/devicetree/bindings/interrupt-controller/ti,pruss-intc.yaml
>> 3) drivers/remoteproc/pru_rproc.c
>> Documentation/devicetree/bindings/remoteproc/ti,pru-rproc.yaml
>>
>> The programmable nature of the PRUs provide flexibility to implement custom
>> peripheral interfaces, fast real-time responses, or specialized data handling.
>> Example of a PRU consumer drivers will be:
>> - Software UART over PRUSS
>> - PRU-ICSS Ethernet EMAC
>>
>> In order to make usage of common PRU resources and allow the consumer drivers to
>> configure the PRU hardware for specific usage the PRU API is introduced.
>>
>> Patch #3 of this series depends on one not merged remteproc related patch [1].
>>
>> Please see the individual patches for exact changes in each patch, following is
>> the only change from v1:
>> - Change the 'prus' property name to 'ti,prus' as suggested by Rob Herring,
>> which influences patch #1 and patch #2
>>
>> [1] https://patchwork.kernel.org/project/linux-remoteproc/patch/20201121030156.22857-3-s-anna@ti.com/
>>
>> Best regards,
>> Grzegorz
>>
>> Roger Quadros (1):
>> remoteproc: pru: Add pru_rproc_set_ctable() function
>>
>> Suman Anna (2):
>> dt-bindings: remoteproc: Add PRU consumer bindings
>> remoteproc: pru: Deny rproc sysfs ops for PRU client driven boots
>>
>> Tero Kristo (2):
>> remoteproc: pru: Add APIs to get and put the PRU cores
>> remoteproc: pru: Configure firmware based on client setup
>>
>> .../bindings/remoteproc/ti,pru-consumer.yaml | 64 +++++
>> drivers/remoteproc/pru_rproc.c | 221 +++++++++++++++++-
>> include/linux/pruss.h | 78 +++++++
>
> This patchset is giving checkpatch.pl errors and as such will not go further
> with this revision.
Yeah, I am aware of those. Greg has intentionally skipped the checkpatch
warnings around ENOTSUPP, based on some similar discussion on a different patch,
https://lkml.org/lkml/2020/11/10/764.
Let me know if you prefer that we change these to EOPNOTSUPP.
regards
Suman
>
>> 3 files changed, 360 insertions(+), 3 deletions(-)
>> create mode 100644 Documentation/devicetree/bindings/remoteproc/ti,pru-consumer.yaml
>> create mode 100644 include/linux/pruss.h
>>
>> --
>> 2.29.0
>>
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next prev parent reply other threads:[~2021-01-07 0:06 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-16 16:52 [PATCH v2 0/5] Introduce PRU remoteproc consumer API Grzegorz Jaszczyk
2020-12-16 16:52 ` [PATCH v2 1/5] dt-bindings: remoteproc: Add PRU consumer bindings Grzegorz Jaszczyk
2020-12-16 16:52 ` [PATCH v2 2/5] remoteproc: pru: Add APIs to get and put the PRU cores Grzegorz Jaszczyk
2021-01-04 20:56 ` David Lechner
2020-12-16 16:52 ` [PATCH v2 3/5] remoteproc: pru: Deny rproc sysfs ops for PRU client driven boots Grzegorz Jaszczyk
2020-12-16 16:52 ` [PATCH v2 4/5] remoteproc: pru: Add pru_rproc_set_ctable() function Grzegorz Jaszczyk
2020-12-16 16:52 ` [PATCH v2 5/5] remoteproc: pru: Configure firmware based on client setup Grzegorz Jaszczyk
2021-01-04 20:11 ` [PATCH v2 0/5] Introduce PRU remoteproc consumer API David Lechner
2021-01-06 21:05 ` Suman Anna
2021-01-06 23:27 ` Mathieu Poirier
2021-01-07 0:03 ` Suman Anna [this message]
2021-01-07 22:44 ` Mathieu Poirier
2021-01-07 22:49 ` Suman Anna
2021-01-25 4:34 ` santosh.shilimkar
2021-01-25 15:43 ` Suman Anna
2021-01-25 15:56 ` [External] : " Santosh Shilimkar
2021-12-26 13:00 ` Christian Gmeiner
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