From: Pantelis Antoniou <panto@antoniou-consulting.com>
To: Tony Lindgren <tony@atomide.com>
Cc: Benoit Cousson <b-cousson@ti.com>,
linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org,
Matt Porter <mporter@ti.com>,
Koen Kooi <koen@dominion.thruhere.net>,
Shubhrajyoti D <shubhrajyoti@ti.com>
Subject: Re: [PATCH 2/3] OMAP i2c: pinctrl-ify i2c-omap.c
Date: Tue, 18 Sep 2012 22:37:22 +0300 [thread overview]
Message-ID: <34F7CFB5-4E48-4B74-99D3-3C1999A0B3B3@antoniou-consulting.com> (raw)
In-Reply-To: <20120918182358.GZ11762@atomide.com>
Hi Tony,
On Sep 18, 2012, at 9:23 PM, Tony Lindgren wrote:
> * Pantelis Antoniou <panto@antoniou-consulting.com> [120918 11:13]:
>> 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@antoniou-consulting.com>
>>
>> ---
>> drivers/i2c/busses/i2c-omap.c | 7 +++++++
>> 1 file changed, 7 insertions(+)
>>
>> diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
>> index b149e32..f722478 100644
>> --- a/drivers/i2c/busses/i2c-omap.c
>> +++ b/drivers/i2c/busses/i2c-omap.c
>> @@ -43,6 +43,8 @@
>> #include <linux/slab.h>
>> #include <linux/i2c-omap.h>
>> #include <linux/pm_runtime.h>
>> +#include <linux/pinctrl/consumer.h>
>> +#include <linux/err.h>
>>
>> /* I2C controller revisions */
>> #define OMAP_I2C_OMAP1_REV_2 0x20
>> @@ -1057,6 +1059,7 @@ 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 +1200,10 @@ 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);
>
> This must be just a warning here as otherwise things will break
> badly for drivers doing pinmuxing in bootloader only. Other than
> that:
>
It is just a warning indeed. Not many boards do the pinctrl dance yet.
> Acked-by: Tony Lindgren <tony@atomide.com>
Regards
-- Pantelis
next prev parent reply other threads:[~2012-09-18 19:37 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-19 16:07 [PATCH 0/3] Pinctrl-fy OMAP I2C driver Pantelis Antoniou
2012-09-19 16:07 ` [PATCH 1/3] pinctrl: pinctrl-single must be initialized early Pantelis Antoniou
2012-09-18 18:21 ` Tony Lindgren
2012-09-18 19:10 ` Pantelis Antoniou
2012-09-21 0:09 ` Tony Lindgren
2012-09-19 16:07 ` [PATCH 2/3] OMAP i2c: pinctrl-ify i2c-omap.c Pantelis Antoniou
2012-09-18 18:23 ` Tony Lindgren
2012-09-18 19:37 ` Pantelis Antoniou [this message]
2012-09-19 7:09 ` Shubhrajyoti
2012-09-19 8:34 ` Pantelis Antoniou
2012-09-20 6:34 ` [PATCH 0/2] Pinctrl-fy OMAP I2C driver (V2) Pantelis Antoniou
2012-09-20 6:34 ` [PATCH 1/2] pinctrl: pinctrl-single must be initialized early Pantelis Antoniou
2012-09-20 6:34 ` [PATCH 2/2] OMAP i2c: pinctrl-ify i2c-omap.c Pantelis Antoniou
2012-09-19 10:13 ` Shubhrajyoti Datta
2012-09-19 17:24 ` Tony Lindgren
2012-09-21 7:29 ` [PATCH 2/3] " Peter Ujfalusi
2012-09-21 7:34 ` Pantelis Antoniou
2012-09-19 16:07 ` [PATCH 3/3] i2c: OMAP fix driver initialization message Pantelis Antoniou
2012-09-18 18:24 ` Tony Lindgren
2012-09-18 19:24 ` a0919096
2012-09-19 9:57 ` Pantelis Antoniou
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