linux-kernel - Re: [PATCH v8 00/17] spi: axi-spi-engine: add offload support

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Message-ID: <20250210185940.441a0b8f@jic23-huawei>
Date: Mon, 10 Feb 2025 18:59:40 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Mark Brown <broonie@...nel.org>
Cc: David Lechner <dlechner@...libre.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Nuno Sá <nuno.sa@...log.com>, Uwe
 Kleine-König <ukleinek@...nel.org>, Michael Hennerich
 <Michael.Hennerich@...log.com>, Lars-Peter Clausen <lars@...afoo.de>, David
 Jander <david@...tonic.nl>, Martin Sperl <kernel@...tin.sperl.org>,
 linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org, Jonathan Cameron
 <Jonathan.Cameron@...wei.com>, Axel Haslam <ahaslam@...libre.com>
Subject: Re: [PATCH v8 00/17] spi: axi-spi-engine: add offload support

On Mon, 10 Feb 2025 14:36:24 +0000
Mark Brown <broonie@...nel.org> wrote:

> On Fri, Feb 07, 2025 at 02:08:57PM -0600, David Lechner wrote:
> > Only very minor fixes in this revision.
> > 
> > Also, now that trees are rebased on v6.14-rc1 we no longer have
> > dependencies for the IIO patches. So Mark can pick up all of the
> > patches if we want to go that way. In any case though, Jonathan will
> > need an immutable branch since we have other IIO patches in-flight
> > building on top of this series.  
> 
> The following changes since commit 2014c95afecee3e76ca4a56956a936e23283f05b:
> 
>   Linux 6.14-rc1 (2025-02-02 15:39:26 -0800)
> 
> are available in the Git repository at:
> 
>   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git tags/spi-offload

Thanks. Merged into IIO and patches 8-17 applied on top with a few tweaks
to the patch as mentioned in reply.

Pushed out for now as testing to see if 0-day spots anything new

Thanks,

Jonathan

> 
> for you to fetch changes up to 700a281905f2a4ccf6f3b2d3cd6985e034b4b021:
> 
>   spi: add offload TX/RX streaming APIs (2025-02-07 20:17:11 +0000)
> 
> ----------------------------------------------------------------
> spi: Add offload APIs
> 
> This series adds support for offloading complete SPI transactions,
> including the initiation, to the hardware.
> 
> ----------------------------------------------------------------
> David Lechner (5):
>       spi: add basic support for SPI offloading
>       spi: offload: add support for hardware triggers
>       dt-bindings: trigger-source: add generic PWM trigger source
>       spi: offload-trigger: add PWM trigger driver
>       spi: add offload TX/RX streaming APIs
> 
>  .../bindings/trigger-source/pwm-trigger.yaml       |  37 ++
>  MAINTAINERS                                        |  12 +
>  drivers/spi/Kconfig                                |  15 +
>  drivers/spi/Makefile                               |   4 +
>  drivers/spi/spi-offload-trigger-pwm.c              | 162 +++++++
>  drivers/spi/spi-offload.c                          | 465 +++++++++++++++++++++
>  drivers/spi/spi.c                                  |  10 +
>  include/linux/spi/offload/consumer.h               |  39 ++
>  include/linux/spi/offload/provider.h               |  47 +++
>  include/linux/spi/offload/types.h                  |  99 +++++
>  include/linux/spi/spi.h                            |  20 +
>  11 files changed, 910 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/trigger-source/pwm-trigger.yaml
>  create mode 100644 drivers/spi/spi-offload-trigger-pwm.c
>  create mode 100644 drivers/spi/spi-offload.c
>  create mode 100644 include/linux/spi/offload/consumer.h
>  create mode 100644 include/linux/spi/offload/provider.h
>  create mode 100644 include/linux/spi/offload/types.h