linux-kernel - Re: [PATCH 2/2] OMAP i2c: pinctrl-ify i2c-omap.c

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Message-ID: <20120919172410.GF11762@atomide.com>
Date:	Wed, 19 Sep 2012 10:24:10 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Pantelis Antoniou <panto@...oniou-consulting.com>
Cc:	Shubhrajyoti D <shubhrajyoti@...com>, linux-omap@...r.kernel.org,
	linux-kernel@...r.kernel.org, Matt Porter <mporter@...com>,
	Koen Kooi <koen@...inion.thruhere.net>,
	Benoit Cousson <b-cousson@...com>
Subject: Re: [PATCH 2/2] OMAP i2c: pinctrl-ify i2c-omap.c

* Pantelis Antoniou <panto@...oniou-consulting.com> [120919 01:40]:
> Add support for pinctrl mux settings in the OMAP I2C driver.
> If no such pinctl bindings are found a warning message is printed.
> 
> Signed-off-by: Pantelis Antoniou <panto@...oniou-consulting.com>

Acked-by: Tony Lindgren <tony@...mide.com>

> ---
>  drivers/i2c/busses/i2c-omap.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
> index b149e32..d192614 100644
> --- a/drivers/i2c/busses/i2c-omap.c
> +++ b/drivers/i2c/busses/i2c-omap.c
> @@ -43,6 +43,7 @@
>  #include <linux/slab.h>
>  #include <linux/i2c-omap.h>
>  #include <linux/pm_runtime.h>
> +#include <linux/pinctrl/consumer.h>
>  
>  /* I2C controller revisions */
>  #define OMAP_I2C_OMAP1_REV_2		0x20
> @@ -1057,6 +1058,7 @@ omap_i2c_probe(struct platform_device *pdev)
>  	const struct of_device_id *match;
>  	int irq;
>  	int r;
> +	struct pinctrl *pinctrl;
>  
>  	/* NOTE: driver uses the static register mapping */
>  	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> @@ -1197,6 +1199,10 @@ omap_i2c_probe(struct platform_device *pdev)
>  
>  	of_i2c_register_devices(adap);
>  
> +	pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
> +	if (IS_ERR(pinctrl))
> +		dev_warn(dev->dev, "pins are not configured from the driver\n");
> +
>  	pm_runtime_mark_last_busy(dev->dev);
>  	pm_runtime_put_autosuspend(dev->dev);
>  
> -- 
> 1.7.12
> 
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