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From: Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org>
To: Praveen Paneri <p.paneri-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
Cc: l.majewski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org,
	linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org,
	gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org,
	devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
	linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	balbi-l0cyMroinI0@public.gmane.org,
	kyungmin.park-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org,
	kgene.kim-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org,
	gautam.vivek-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org,
	ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org,
	broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v7 2/5] usb: s3c-hsotg: Adding phy driver support
Date: Wed, 31 Oct 2012 16:05:48 +0200	[thread overview]
Message-ID: <20121031140548.GE10998@arwen.pp.htv.fi> (raw)
In-Reply-To: <1351573057-22249-3-git-send-email-p.paneri-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>


[-- Attachment #1.1: Type: text/plain, Size: 1030 bytes --]

Hi,

On Tue, Oct 30, 2012 at 10:27:34AM +0530, Praveen Paneri wrote:
> @@ -3501,20 +3511,27 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev)
>  	int ret;
>  	int i;
>  
> -	plat = pdev->dev.platform_data;
> -	if (!plat) {
> -		dev_err(&pdev->dev, "no platform data defined\n");
> -		return -EINVAL;
> -	}
> -
>  	hsotg = devm_kzalloc(&pdev->dev, sizeof(struct s3c_hsotg), GFP_KERNEL);
>  	if (!hsotg) {
>  		dev_err(dev, "cannot get memory\n");
>  		return -ENOMEM;
>  	}
>  
> +	plat = pdev->dev.platform_data;
> +	if (!plat) {
> +		/* Fallback for transceiver */
> +		phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
> +		if (IS_ERR_OR_NULL(phy)) {
> +			dev_err(&pdev->dev, "no platform data or transceiver defined\n");
> +			return -EPROBE_DEFER;
> +		} else {
> +			hsotg->phy = phy;
> +		}
> +	} else {
> +		hsotg->plat = plat;
> +	}

I think this should be the other way around, meaning you try to grab the
phy, if you can't, then you fallback to pdata.

-- 
balbi

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WARNING: multiple messages have this Message-ID (diff)
From: balbi@ti.com (Felipe Balbi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 2/5] usb: s3c-hsotg: Adding phy driver support
Date: Wed, 31 Oct 2012 16:05:48 +0200	[thread overview]
Message-ID: <20121031140548.GE10998@arwen.pp.htv.fi> (raw)
In-Reply-To: <1351573057-22249-3-git-send-email-p.paneri@samsung.com>

Hi,

On Tue, Oct 30, 2012 at 10:27:34AM +0530, Praveen Paneri wrote:
> @@ -3501,20 +3511,27 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev)
>  	int ret;
>  	int i;
>  
> -	plat = pdev->dev.platform_data;
> -	if (!plat) {
> -		dev_err(&pdev->dev, "no platform data defined\n");
> -		return -EINVAL;
> -	}
> -
>  	hsotg = devm_kzalloc(&pdev->dev, sizeof(struct s3c_hsotg), GFP_KERNEL);
>  	if (!hsotg) {
>  		dev_err(dev, "cannot get memory\n");
>  		return -ENOMEM;
>  	}
>  
> +	plat = pdev->dev.platform_data;
> +	if (!plat) {
> +		/* Fallback for transceiver */
> +		phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
> +		if (IS_ERR_OR_NULL(phy)) {
> +			dev_err(&pdev->dev, "no platform data or transceiver defined\n");
> +			return -EPROBE_DEFER;
> +		} else {
> +			hsotg->phy = phy;
> +		}
> +	} else {
> +		hsotg->plat = plat;
> +	}

I think this should be the other way around, meaning you try to grab the
phy, if you can't, then you fallback to pdata.

-- 
balbi
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  parent reply	other threads:[~2012-10-31 14:05 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-30  4:57 [PATCH v7 0/5] usb: phy: samsung: Introducing usb phy driver for samsung SoCs Praveen Paneri
2012-10-30  4:57 ` Praveen Paneri
2012-10-30  4:57 ` [PATCH v7 1/5] usb: phy: samsung: Introducing usb phy driver for hsotg Praveen Paneri
2012-10-30  4:57   ` Praveen Paneri
     [not found]   ` <1351573057-22249-2-git-send-email-p.paneri-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2012-11-07 12:59     ` Vivek Gautam
2012-11-07 12:59       ` Vivek Gautam
2012-10-30  4:57 ` [PATCH v7 2/5] usb: s3c-hsotg: Adding phy driver support Praveen Paneri
2012-10-30  4:57   ` Praveen Paneri
     [not found]   ` <1351573057-22249-3-git-send-email-p.paneri-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2012-10-31 14:05     ` Felipe Balbi [this message]
2012-10-31 14:05       ` Felipe Balbi
     [not found]       ` <20121031140548.GE10998-S8G//mZuvNWo5Im9Ml3/Zg@public.gmane.org>
2012-10-31 14:44         ` Lukasz Majewski
2012-10-31 14:44           ` Lukasz Majewski
2012-11-02  4:26           ` Praveen Paneri
2012-11-02  4:26             ` Praveen Paneri
2012-11-02  5:49             ` [PATCH " Praveen Paneri
2012-11-02  5:49               ` Praveen Paneri
2012-10-30  4:57 ` [PATCH v7 3/5] ARM: S3C64XX: Removing old phy setup code Praveen Paneri
2012-10-30  4:57   ` Praveen Paneri
2012-10-30  4:57 ` [PATCH v7 4/5] ARM: S3C64XX: Enabling samsung-usbphy driver Praveen Paneri
2012-10-30  4:57   ` Praveen Paneri
2012-10-30  4:57 ` [PATCH v7 5/5] ARM: Exynos4210: " Praveen Paneri
2012-10-30  4:57   ` Praveen Paneri
2012-11-09 11:54 ` [PATCH v7 0/5] usb: phy: samsung: Introducing usb phy driver for samsung SoCs Felipe Balbi
2012-11-09 11:54   ` Felipe Balbi
     [not found]   ` <20121109115440.GC8078-S8G//mZuvNWo5Im9Ml3/Zg@public.gmane.org>
2012-11-09 12:15     ` Praveen Paneri
2012-11-09 12:15       ` Praveen Paneri
2012-11-09 12:36   ` Kyungmin Park
2012-11-09 12:36     ` Kyungmin Park
     [not found]     ` <CAH9JG2X1a8MqBpnk8uHRjsGnaD7uob5GBhUh_aS5iCprEvi2XQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-11-09 13:20       ` Praveen Paneri
2012-11-09 13:20         ` Praveen Paneri
2012-11-09 13:54         ` Felipe Balbi
2012-11-09 13:54           ` Felipe Balbi
2012-11-12  4:41           ` Kukjin Kim
2012-11-12  4:41             ` Kukjin Kim
     [not found]             ` <004201cdc08f$fa0fd3d0$ee2f7b70$%kim-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2012-11-14  4:08               ` Praveen Paneri
2012-11-14  4:08                 ` Praveen Paneri
     [not found]                 ` <CAD6zSYM5-GdGHYH=W-My34oXRfH0M+rfettFa0fiit3-_V1RDA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-11-14  4:24                   ` Praveen Paneri
2012-11-14  4:24                     ` Praveen Paneri

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