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Date:	Mon, 16 Jun 2014 09:44:27 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Mark Brown <broonie@...nel.org>,
	Mike Turquette <mturquette@...aro.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Doug Anderson <dianders@...omium.org>,
	Olof Johansson <olof@...om.net>,
	Sjoerd Simons <sjoerd.simons@...labora.co.uk>,
	Daniel Stone <daniels@...labora.com>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] clk: Add driver for Maxim 77802 PMIC clocks

> The MAX77802 PMIC has two 32.768kHz Buffered Clock Outputs with
> Low Jitter Mode. This patch adds support for these two clocks.
> 
> Signed-off-by: Javier Martinez Canillas <javier.martinez@...labora.co.uk>
> ---
>  .../devicetree/bindings/clock/maxim,max77802.txt   |  40 ++++
>  drivers/clk/Kconfig                                |   6 +
>  drivers/clk/Makefile                               |   1 +
>  drivers/clk/clk-max77802.c                         | 253 +++++++++++++++++++++
>  drivers/mfd/max77802.c                             |   3 +
>  include/dt-bindings/clock/maxim,max77802.h         |  22 ++
>  6 files changed, 325 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/maxim,max77802.txt
>  create mode 100644 drivers/clk/clk-max77802.c
>  create mode 100644 include/dt-bindings/clock/maxim,max77802.h

[...]

> diff --git a/drivers/mfd/max77802.c b/drivers/mfd/max77802.c
> index 59696dd..33e8023 100644
> --- a/drivers/mfd/max77802.c
> +++ b/drivers/mfd/max77802.c
> @@ -35,6 +35,9 @@
>  
>  static const struct mfd_cell max77802_devs[] = {
>  	{ .name = "max77802-pmic", },
> +#if defined(CONFIG_COMMON_CLK_MAX77802)

No, don't do that.  If COMMON_CLK_MAX77802 is not defined it just
won't be matched, which is enough to ensure it won't be probed.

> +	{ .name = "max77802-clk", },
> +#endif
>  };

[...]

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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