linux-kernel - Re: [PATCH v5 5/9] usb: gadget: s3c-hsotg: use generic phy_init()/phy

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Message-ID: <52AAE8DE.2030801@ti.com>
Date:	Fri, 13 Dec 2013 16:30:46 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	Matt Porter <mporter@...aro.org>, Felipe Balbi <balbi@...com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Kumar Gala <galak@...eaurora.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Christian Daudt <bcm@...thebug.org>,
	Paul Zimmerman <paulz@...opsys.com>
CC:	Tomasz Figa <t.figa@...sung.com>,
	Kamil Debski <k.debski@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Russell King <linux@....linux.org.uk>,
	Linux USB List <linux-usb@...r.kernel.org>,
	Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Devicetree List <devicetree@...r.kernel.org>,
	Linaro Patches <patches@...aro.org>
Subject: Re: [PATCH v5 5/9] usb: gadget: s3c-hsotg: use generic phy_init()/phy_exit()
 support

On Thursday 12 December 2013 06:56 PM, Matt Porter wrote:
> If a generic phy is present, call phy_init()/phy_exit(). This supports
> generic phys that must be soft reset before power on.
> 
> Signed-off-by: Matt Porter <mporter@...aro.org>
Acked-by: Kishon Vijay Abraham I <kishon@...com>
> ---
>  drivers/usb/gadget/s3c-hsotg.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
> index 7c5d8bd..e9683c2 100644
> --- a/drivers/usb/gadget/s3c-hsotg.c
> +++ b/drivers/usb/gadget/s3c-hsotg.c
> @@ -3621,6 +3621,9 @@ static int s3c_hsotg_probe(struct platform_device *pdev)
>  		goto err_supplies;
>  	}
>  
> +	if (hsotg->phy)
> +		phy_init(hsotg->phy);
> +
>  	/* usb phy enable */
>  	s3c_hsotg_phy_enable(hsotg);
>  
> @@ -3714,6 +3717,8 @@ static int s3c_hsotg_remove(struct platform_device *pdev)
>  	}
>  
>  	s3c_hsotg_phy_disable(hsotg);
> +	if (hsotg->phy)
> +		phy_exit(hsotg->phy);
>  	clk_disable_unprepare(hsotg->clk);
>  
>  	return 0;
> 

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