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

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Date:	Tue, 30 Oct 2012 20:59:56 +0200
From:	Pantelis Antoniou <panto@...oniou-consulting.com>
To:	<balbi@...com>
Cc:	Tony Lindgren <tony@...mide.com>,
	"Ben Dooks (embedded platforms)" <ben-linux@...ff.org>,
	"Wolfram Sang (embedded platforms)" <w.sang@...gutronix.de>,
	<linux-omap@...r.kernel.org>, <linux-i2c@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	Koen Kooi <koen@...inion.thruhere.net>,
	Matt Porter <mporter@...com>, Russ Dill <Russ.Dill@...com>
Subject: Re: [PATCH] i2c: pinctrl-ify i2c-omap.c

Hi Felipe,

On Oct 30, 2012, at 8:53 PM, Felipe Balbi wrote:

> Hi,
> 
> On Wed, Oct 31, 2012 at 05:55:30PM +0200, Pantelis Antoniou wrote:
>> Enable pinctrl for i2c-omap.
>> 
>> Signed-off-by: Pantelis Antoniou <panto@...oniou-consulting.com>
>> ---
>> drivers/i2c/busses/i2c-omap.c | 10 ++++++++++
>> 1 file changed, 10 insertions(+)
>> 
>> diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
>> index db31eae..4c38aa0 100644
>> --- a/drivers/i2c/busses/i2c-omap.c
>> +++ b/drivers/i2c/busses/i2c-omap.c
>> @@ -44,6 +44,8 @@
>> #include <linux/i2c-omap.h>
>> #include <linux/pm_runtime.h>
>> #include <linux/pm_qos.h>
>> +#include <linux/pinctrl/consumer.h>
>> +#include <linux/err.h>
>> 
>> /* I2C controller revisions */
>> #define OMAP_I2C_OMAP1_REV_2		0x20
>> @@ -1064,6 +1066,7 @@ 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);
>> @@ -1202,6 +1205,13 @@ 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, "unable to select pin group\n");
> 
> if we continue anyway, should this be dev_warn() ? Would you consider
> dev_dbg() instead ?

Sure. No problem.

> 
>> +	dev_info(dev->dev, "bus %d rev%d.%d.%d at %d kHz\n", adap->nr,
>> +		 dev->dtrev, dev->rev >> 4, dev->rev & 0xf, dev->speed);
> 
> this dev_info() doesn't look like it's part of $subject. Care to, at
> least, add a reasoning for adding this to commit log ?
> 

I'll just remove it...

> -- 
> balbi

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