linux-kernel - Re: [PATCH 5/7] pwm: i.MX: add devicetree support

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Message-ID: <20120911144043.GA3824@avionic-0098.mockup.avionic-design.de>
Date:	Tue, 11 Sep 2012 16:40:43 +0200
From:	Thierry Reding <thierry.reding@...onic-design.de>
To:	Sascha Hauer <s.hauer@...gutronix.de>
Cc:	linux-arm-kernel@...ts.infradead.org,
	HACHIMI Samir <shachimi@...neo-embedded.com>,
	shawn.guo@...aro.org, linux-kernel@...r.kernel.org,
	Benoît Thébaudeau 
	<benoit.thebaudeau@...ansee.com>, kernel@...gutronix.de,
	Philipp Zabel <p.zabel@...gutronix.de>
Subject: Re: [PATCH 5/7] pwm: i.MX: add devicetree support

On Mon, Sep 10, 2012 at 10:59:35AM +0200, Sascha Hauer wrote:
> From: Philipp Zabel <p.zabel@...gutronix.de>
> 
> At the same time remove platform based support. No user for
> this driver has made it into mainline so far, so all we break
> is out of tree stuff.
> 
> Signed-off-by: Philipp Zabel <p.zabel@...gutronix.de>
> Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
> Reviewed-by: Shawn Guo <shawn.guo@...aro.org>
> Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@...ansee.com>
[...]

I was just doing some build tests on the series and noticed that it
fails with this:

	  CC [M]  drivers/pwm/pwm-imx.o
	/home/thierry.reding/src/kernel/linux-pwm.git/drivers/pwm/pwm-imx.c: In function 'imx_pwm_config_v2':
	/home/thierry.reding/src/kernel/linux-pwm.git/drivers/pwm/pwm-imx.c:140:2: error: implicit declaration of function 'cpu_is_mx25' [-Werror=implicit-function-declaration]

This breaks bisection in the middle of the series. It seems to be
related to this change.

> diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
> index a1e799e..b4e0ad3 100644
> --- a/drivers/pwm/pwm-imx.c
> +++ b/drivers/pwm/pwm-imx.c
> @@ -16,8 +16,7 @@
>  #include <linux/clk.h>
>  #include <linux/io.h>
>  #include <linux/pwm.h>
> -#include <mach/hardware.h>

This probably needs to be postponed to the next patch, until the final
reference to cpu_is_mx25() is removed.

Thierry

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