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Re: [PATCH 2/5] mfd: intel_soc_pmic: Select designware i2c-bus driver

From Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH 2/5] mfd: intel_soc_pmic: Select designware i2c-bus driver
Date 2017-03-22 14:00 +0100
Message-ID <tnO1P-2wP-11@gated-at.bofh.it> (permalink)
References <tnMCK-1Dh-17@gated-at.bofh.it> <tnMMq-1H2-25@gated-at.bofh.it>
Organization Intel Finland Oy

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On Wed, 2017-03-22 at 12:29 +0100, Hans de Goede wrote:
> The Crystal Cove PMIC provides an ACPI OPRegion handler, which must be
> available before other drivers using it are loaded, which is why
> INTEL_SOC_PMIC is a bool.
> 
> Just having the driver is not enough, the driver for the i2c-bus must
> also be built in, to ensure this, this patch adds a select for it.
> 

> While at it this patch also changes the human readable name of the
> Kconfig
> option to make clear the INTEL_SOC_PMIC option selects support for the
> Intel Crystal Cove PMIC and documents why this is a bool.

The above is what my patch does, I'm okay if the change is going with
this series as long as Lee is on the same side. Otherwise I would prefer
to go my changes first.

> 
> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> ---
> Note this patch will partially conflicts with (contains the same
> changes as)
> a patch in Andy Shevchenko's tree.
> ---
>  drivers/mfd/Kconfig | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index d427a10..0c6a967 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -425,14 +425,17 @@ config LPC_SCH
>  	  System Management Bus and General Purpose I/O.
>  
>  config INTEL_SOC_PMIC
> -	bool "Support for Intel Atom SoC PMIC"
> +	# This is a bool as it provides an ACPI Opregion which must
> be
> +	# available as soon as possible
> +	bool "Support for Intel Crystal Cove PMIC"
>  	depends on GPIOLIB
>  	depends on I2C=y
>  	select MFD_CORE
>  	select REGMAP_I2C
>  	select REGMAP_IRQ
> +	select I2C_DESIGNWARE_PLATFORM
>  	help
> -	  Select this option to enable support for the PMIC device
> +	  Select this option to enable support for the Crystal Cove
> PMIC
>  	  on some Intel SoC systems. The PMIC provides ADC, GPIO,
>  	  thermal, charger and related power management functions
>  	  on these systems.

-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy

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Thread

[PATCH 0/5] Intel PMIC: Intel PMIC mfd and OPRegion drivers must be built in Hans de Goede <hdegoede@redhat.com> - 2017-03-22 12:30 +0100
  [PATCH 4/5] mfd: intel_soc_pmic_chtwc: This driver must always be builtin when enabled Hans de Goede <hdegoede@redhat.com> - 2017-03-22 12:40 +0100
  [PATCH 3/5] mfd: axp20c-i2c: Select designware i2c-bus driver on x86 Hans de Goede <hdegoede@redhat.com> - 2017-03-22 12:40 +0100
  [PATCH 2/5] mfd: intel_soc_pmic: Select designware i2c-bus driver Hans de Goede <hdegoede@redhat.com> - 2017-03-22 12:40 +0100
    Re: [PATCH 2/5] mfd: intel_soc_pmic: Select designware i2c-bus  driver Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2017-03-22 14:00 +0100
      Re: [PATCH 2/5] mfd: intel_soc_pmic: Select designware i2c-bus driver Lee Jones <lee.jones@linaro.org> - 2017-03-23 17:50 +0100
        Re: [PATCH 2/5] mfd: intel_soc_pmic: Select designware i2c-bus driver Hans de Goede <hdegoede@redhat.com> - 2017-03-23 23:40 +0100
  [PATCH 5/5] ACPI / PMIC: mfd: intel_pmic_chtwc: This driver must always be builtin Hans de Goede <hdegoede@redhat.com> - 2017-03-22 12:40 +0100

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