linux-kernel - Re: [PATCH] mfd: mc13xxx: add I2C support fix building for v3.4

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Date:	Thu, 29 Mar 2012 07:47:50 +1100
From:	Marc Reilly <marc@...esign.com.au>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Alex Gershgorin <alexg@...rolight.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	fabio.estevam@...escale.com, sameo@...ux.intel.com,
	s.hauer@...gutronix.de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mfd: mc13xxx: add I2C support fix building for v3.4

Hi,

As Mark Brown already said, these changes should be squashed into a new 
version of the patches.

On Thursday, March 29, 2012 01:01:13 AM Alex Gershgorin wrote:
> This patch fixes the compilation errors after the patches
> from series mc13xxx-add-I2C-support-V4 were applied.
> 
> Signed-off-by: Alex Gershgorin <alexg@...rolight.com>
> ---
>  drivers/mfd/Kconfig        |    2 ++
>  drivers/mfd/mc13xxx-core.c |    2 +-
>  2 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index c3fbc5e..2119732 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -577,6 +577,8 @@ config MFD_MC13XXX
>  	depends on SPI_MASTER || I2C
>  	select MFD_CORE
>  	select MFD_MC13783
> +	select REGMAP_I2C if I2C
This can go under the "config MFD_MC13XXX_I2C" entry in patch 4/4 (the "if 
I2C" won't be needed)

> +	select REGMAP_SPI if SPI_MASTER
This can go under the "config MFD_MC13XXX_SPI" entry in patch 3/4


>  	help
>  	  Enable support for the Freescale MC13783 and MC13892 PMICs.
>  	  This driver provides common support for accessing the device,
> diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c
> index 31dbf91..5a60273 100644
> --- a/drivers/mfd/mc13xxx-core.c
> +++ b/drivers/mfd/mc13xxx-core.c
> @@ -616,7 +616,7 @@ static int mc13xxx_add_subdevice(struct mc13xxx
> *mc13xxx, const char *format) #ifdef CONFIG_OF
>  static int mc13xxx_probe_flags_dt(struct mc13xxx *mc13xxx)
>  {
> -	struct device_node *np = mc13xxx->dev.of_node;
> +	struct device_node *np = mc13xxx->dev->of_node;

Good catch! This can be fixed up in 4/4

@Alex, you seen keen to do this, so I'll leave it to you :)
Otherwise, I'm happy to do it, just let me know.

Cheers,
Marc

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