linux-kernel - Re: [PATCH v6 0/6] Driver for at91 usart in spi mode

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Message-ID: <CAHp75Vf=CC=UximfkB5a0-PHLiT6ugR4jH3NKdU3w=k=-kPnSA@mail.gmail.com>
Date:   Thu, 7 Jun 2018 16:18:02 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Radu Pirea <radu.pirea@...rochip.com>
Cc:     Mark Brown <broonie@...nel.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        alexandre.belloni@...tlin.com, Lee Jones <lee.jones@...aro.org>,
        Richard Genoud <richard.genoud@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>
Subject: Re: [PATCH v6 0/6] Driver for at91 usart in spi mode

On Thu, Jun 7, 2018 at 2:00 PM, Radu Pirea <radu.pirea@...rochip.com> wrote:
> Hello,
>
> This is the second version of driver. I added a mfd driver which by
> default probes atmel_serial driver and if in dt is specified to probe
> the spi driver, then the spi-at91-usart driver will be probed. The
> compatible for atmel_serial is now the compatible for at91-usart mfd
> driver and compatilbe for atmel_serial driver was changed in order to
> keep the bindings for serial as they are.
>

FWIW,
Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>

for patches 3, 5, 6 only.

> Changes in v1:
> - added spi-at91-usart driver
>
> Changes in v2:
> - added at91-usart mfd driver
> - modified spi-at91-usart driver to work as mfd driver child
> - modified atmel_serial driver to work as mfd driver child
>
> Changes in v3:
> - fixed spi slaves probing
>
> Changes in v4:
> - modified the spi driver to use cs gpio support form spi subsystem
> - fixed dma transfers for serial driver
> - squashed binding for spi and serial and moved them to mfd/atmel-usart.txt
>
> Changes in v5:
> - fixed usage of stdout-path property with atmel_serial driver
>
> Changes in v6:
> - removed unused compatible strings from serial and spi drivers
>
> Radu Pirea (6):
>   MAINTAINERS: add at91 usart mfd driver
>   dt-bindings: add binding for atmel-usart in SPI mode
>   mfd: at91-usart: added mfd driver for usart
>   MAINTAINERS: add at91 usart spi driver
>   spi: at91-usart: add driver for at91-usart as spi
>   tty/serial: atmel: change the driver to work under at91-usart mfd
>
>  .../bindings/{serial => mfd}/atmel-usart.txt  |  25 +-
>  MAINTAINERS                                   |  16 +
>  drivers/mfd/Kconfig                           |   9 +
>  drivers/mfd/Makefile                          |   1 +
>  drivers/mfd/at91-usart.c                      |  68 +++
>  drivers/spi/Kconfig                           |   9 +
>  drivers/spi/Makefile                          |   1 +
>  drivers/spi/spi-at91-usart.c                  | 434 ++++++++++++++++++
>  drivers/tty/serial/Kconfig                    |   1 +
>  drivers/tty/serial/atmel_serial.c             |  42 +-
>  include/dt-bindings/mfd/at91-usart.h          |  17 +
>  11 files changed, 606 insertions(+), 17 deletions(-)
>  rename Documentation/devicetree/bindings/{serial => mfd}/atmel-usart.txt (76%)
>  create mode 100644 drivers/mfd/at91-usart.c
>  create mode 100644 drivers/spi/spi-at91-usart.c
>  create mode 100644 include/dt-bindings/mfd/at91-usart.h
>
> --
> 2.17.1
>
> --
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-- 
With Best Regards,
Andy Shevchenko