Re: [PATCH 1/5] iTCO_wdt: Expose watchdog properties using platform data

[Lee Jones]

On Mon, 27 Jul 2015, Matt Fleming wrote:

> From: Matt Fleming <matt.fleming@xxxxxxxxx>
> 
> Intel Sunrisepoint (Skylake PCH) has the iTCO watchdog accessible across
> the SMBus, unlike previous generations of PCH/ICH where it was on the
> LPC bus. Because it's on the SMBus, it doesn't make sense to pass around
> a 'struct lpc_ich_info', and leaking the type of bus into the iTCO
> watchdog driver is kind of backwards anyway.
> 
> This change introduces a new 'struct iTCO_wdt_platform_data' for use
> inside the iTCO watchdog driver and by the upcoming Intel Sunrisepoint
> code, which neatly avoids having to include lpc_ich headers in the i801
> i2c driver.
> 
> A simple translation layer is provided for converting from the existing
> 'struct lpc_ich_info' inside the lpc_ich mfd driver.

Is this patch related to Andy's patch-set?

  https://lkml.org/lkml/2015/7/27/599

> Cc: Peter Tyser <ptyser@xxxxxxxxxxx>
> Cc: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>
> Cc: Lee Jones <lee.jones@xxxxxxxxxx>
> Cc: Wim Van Sebroeck <wim@xxxxxxxxx>
> Signed-off-by: Matt Fleming <matt.fleming@xxxxxxxxx>
> ---
>  drivers/mfd/lpc_ich.c                  | 32 +++++++++++++++++++++++++++++---
>  drivers/watchdog/Kconfig               |  2 +-
>  drivers/watchdog/iTCO_wdt.c            | 11 +++++------
>  include/linux/mfd/lpc_ich.h            |  6 ------
>  include/linux/platform_data/iTCO_wdt.h | 18 ++++++++++++++++++
>  5 files changed, 53 insertions(+), 16 deletions(-)
>  create mode 100644 include/linux/platform_data/iTCO_wdt.h

How are all of these changes related?

Why do they all have to be in a single patch?

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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