[RFC PATCH 6/6] USB: MUSB: OMAP: get PHY by phandle for dt boot

Roger Quadros rogerq at ti.com
Tue Jan 22 00:18:44 EST 2013


On 01/16/2013 05:01 PM, Kishon Vijay Abraham I wrote:
> The OMAP glue has been modified to get PHY by phandle for dt boot.
> 
> Signed-off-by: Kishon Vijay Abraham I <kishon at ti.com>
> ---
>  drivers/usb/musb/omap2430.c |    7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
> index 3628a50..08709cf 100644
> --- a/drivers/usb/musb/omap2430.c
> +++ b/drivers/usb/musb/omap2430.c
> @@ -346,7 +346,12 @@ static int omap2430_musb_init(struct musb *musb)
>  	 * up through ULPI.  TWL4030-family PMICs include one,
>  	 * which needs a driver, drivers aren't always needed.
>  	 */
> -	musb->xceiv = devm_usb_get_phy(dev, 0);
> +	if (dev->parent->of_node)
> +		musb->xceiv = devm_usb_get_phy_by_phandle(dev->parent,
> +		    "usb_phy", 0);

Why dev->parent and not just dev?

> +	else
> +		musb->xceiv = devm_usb_get_phy(dev, 0);
> +
>  	if (IS_ERR_OR_NULL(musb->xceiv)) {
>  		pr_err("HS USB OTG: no transceiver configured\n");
>  		return -ENODEV;
> 

--
cheers,
-roger


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