linux-kernel - Re: [PATCH 3/4] USB: PHY: Tegra: Get rid of instance number to differentiate PHY type

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Date:	Fri, 18 Jan 2013 10:04:09 -0700
From:	Stephen Warren <swarren@...dotorg.org>
To:	Venu Byravarasu <vbyravarasu@...dia.com>
CC:	gregkh@...uxfoundation.org, balbi@...com,
	stern@...land.harvard.edu, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-tegra@...r.kernel.org
Subject: Re: [PATCH 3/4] USB: PHY: Tegra: Get rid of instance number to differentiate
 PHY type

On 01/16/2013 06:30 AM, Venu Byravarasu wrote:
> Tegra20 USB has 3 PHY instances:
> Instance 1 and 3 are UTMI. Instance 2 is ULPI.
> 
> As instance number was used to differentiate ULPI from UTMI,
> used DT param to get this info and processed accordingly.

> diff --git a/include/linux/usb/tegra_usb_phy.h b/include/linux/usb/tegra_usb_phy.h
> index f03e157..a6a89d4 100644
> --- a/include/linux/usb/tegra_usb_phy.h
> +++ b/include/linux/usb/tegra_usb_phy.h
> @@ -60,6 +60,7 @@ struct tegra_usb_phy {
>  	struct usb_phy u_phy;
>  	struct device *dev;
>  	bool is_legacy_phy;
> +	bool is_ulpi_phy;
>  };

I see the code that uses this new field, but it doesn't appear to be set
anywhere...
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