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Re: [PATCH v3 6/6] watchdog: ts4600: add driver for TS-4600 watchdog

From Shawn Guo <shawnguo@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH v3 6/6] watchdog: ts4600: add driver for TS-4600 watchdog
Date 2017-05-11 09:30 +0200
Message-ID <tFQHT-3k5-7@gated-at.bofh.it> (permalink)
References <tDRf3-63i-5@gated-at.bofh.it> <tDRf4-63i-19@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Fri, May 05, 2017 at 03:32:59PM -0400, Sebastien Bourdelin wrote:
> This watchdog is instantiated in a FPGA and can only be access using a
> GPIOs bit-banged bus, called the NBUS by Technologic Systems.
> The watchdog is made of only one register, called the feed register.
> Writing to this register will re-arm the watchdog for a given time (and
> enable it if it was disable). It can be disabled by writing a special
> value into it.
> 
> Signed-off-by: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com>
> ---
> Changes v2 -> v3:
>   - rebase on master
>   - remove the timeout table to simplify the logic (suggested by
>   Guenter Roeck)
>   - fix the set_timeout function (suggested by Guenter Roeck)
>   - hardcode the max_hw_heartbeat_ms value based on the ts4600 max
>   timeout value supported (suggested by Guenter Roeck)
>   - remove the max_timeout usage and set a default timeout value
> (suggested by Guenter Roeck)
>   - use the devm_watchdog_register_device function instead of
>   watchdog_register_device (suggested by Guenter Roeck)
> 
> Changes v1 -> v2:
>   - rebase on master
>   - retrieve the ts_nbus instantiated by the parent node (suggested by
>   Linus Walleij)
>   - rename the wdt by watchdog in the device tree and in the
>   documentation (suggested by Rob Herring)
>   - add a dependency to the TS_NBUS driver in the Kconfig (suggested by
>   Guenter Roeck)
>   - simplify the set_timeout function (suggested by Guenter Roeck)
>   - use the max_hw_heartbeat_ms callback instead of the max_timeout
>   callback (suggested by Guenter Roeck)
> ---
>  .../devicetree/bindings/watchdog/ts4600-wdt.txt    |  16 ++
>  arch/arm/boot/dts/imx28-ts4600-common.dtsi         |   5 +

The dts change shouldn't be mixed within driver patch.

Shawn

>  drivers/watchdog/Kconfig                           |  11 ++
>  drivers/watchdog/Makefile                          |   1 +
>  drivers/watchdog/ts4600_wdt.c                      | 185 +++++++++++++++++++++
>  5 files changed, 218 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/watchdog/ts4600-wdt.txt
>  create mode 100644 drivers/watchdog/ts4600_wdt.c

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Thread

[PATCH v3 0/6] Add board support for TS-4600 Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com> - 2017-05-05 21:40 +0200
  [PATCH v3 3/6] dt-bindings: bus: Add documentation for the Technologic Systems NBUS Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com> - 2017-05-05 21:40 +0200
    Re: [PATCH v3 3/6] dt-bindings: bus: Add documentation for the  Technologic Systems NBUS Linus Walleij <linus.walleij@linaro.org> - 2017-05-11 16:00 +0200
  [PATCH v3 5/6] ARM: dts: TS-4600: add NBUS support Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com> - 2017-05-05 21:40 +0200
    Re: [PATCH v3 5/6] ARM: dts: TS-4600: add NBUS support Linus Walleij <linus.walleij@linaro.org> - 2017-05-11 16:00 +0200
  [PATCH v3 4/6] bus: add driver for the Technologic Systems NBUS Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com> - 2017-05-05 21:40 +0200
    Re: [PATCH v3 4/6] bus: add driver for the Technologic Systems NBUS Linus Walleij <linus.walleij@linaro.org> - 2017-05-11 16:00 +0200
  [PATCH v3 6/6] watchdog: ts4600: add driver for TS-4600 watchdog Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com> - 2017-05-05 21:40 +0200
    Re: [PATCH v3 6/6] watchdog: ts4600: add driver for TS-4600 watchdog Rob Herring <robh@kernel.org> - 2017-05-08 15:30 +0200
    Re: [PATCH v3 6/6] watchdog: ts4600: add driver for TS-4600 watchdog Shawn Guo <shawnguo@kernel.org> - 2017-05-11 09:30 +0200
  [PATCH v3 2/6] ARM: dts: TS-4600: add basic device tree Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com> - 2017-05-05 21:40 +0200

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