linux-kernel - Re: [PATCH V3] extcon: palmas: Option to disable ID/VBUS detection based on platform

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Date:	Thu, 11 Jul 2013 13:30:41 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Laxman Dewangan <ldewangan@...dia.com>
Cc:	"myungjoo.ham@...sung.com" <myungjoo.ham@...sung.com>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"rob@...dley.net" <rob@...dley.net>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kishon@...com" <kishon@...com>,
	"gg@...mlogic.co.uk" <gg@...mlogic.co.uk>
Subject: Re: [PATCH V3] extcon: palmas: Option to disable ID/VBUS detection
 based on platform

On 07/11/2013 12:08 PM, Laxman Dewangan wrote:
> On Thursday 11 July 2013 08:12 AM, Chanwoo Choi wrote:
>> Hi Laxman,
>>
>>>   static int palmas_usb_probe(struct platform_device *pdev)
>>> @@ -137,20 +140,26 @@ static int palmas_usb_probe(struct platform_device *pdev)
>>>       struct palmas_usb *palmas_usb;
>>>       int status;
>>>   -    if (node && !pdata) {
>>> -        pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
>>> -
>>> -        if (!pdata)
>>> -            return -ENOMEM;
>>> +    palmas_usb = devm_kzalloc(&pdev->dev, sizeof(*palmas_usb), GFP_KERNEL);
>>> +    if (!palmas_usb)
>>> +        return -ENOMEM;
>>>   -        pdata->wakeup = of_property_read_bool(node, "ti,wakeup");
>>> +    if (node && !pdata) {
>>> +        palmas_usb->wakeup = of_property_read_bool(node, "ti,wakeup");
>>> +        palmas_usb->enable_id_detection = of_property_read_bool(node,
>>> +                        "ti,enable-id-detection");
>>> +        palmas_usb->enable_vbus_detection = of_property_read_bool(node,
>>> +                        "ti,enable-vbus-detection");
>>> +    } else if (pdata) {
>>> +        palmas_usb->wakeup = pdata->wakeup;
>>> +        palmas_usb->enable_id_detection = true;
>>> +        palmas_usb->enable_vbus_detection = true;
>>>       } else if (!pdata) {
>>> -        return -EINVAL;
>>> +        palmas_usb->wakeup = true;
>>> +        palmas_usb->enable_id_detection = true;
>>> +        palmas_usb->enable_vbus_detection = true;
>>>       }
>> I think we could modify it as following patch to remove duplicate line.
>> If you agree about below modification, I will apply your patch with following patch.
>>
> I am fine with this and this looks simple and straight.
> 
> I have seen some patches/discussion from TI to remove the platform data support at all and hence removing from here in future will be very simple.
> 

This patch is applied on extcon-linus branch.

Thanks,
Chanwoo Choi

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