[RFC 2/2] usb: gadget: composite: parse dt overrides

[Michal Nazarewicz]

On Mon, 25 Jun 2012 22:23:52 +0200, Alexandre Pereira da Silva <aletes.xgr at gmail.com> wrote:
> Grab the devicetree node properties to override VendorId, ProductId,
> bcdDevice, Manucacturer, Product and SerialNumber
>
> Signed-off-by: Alexandre Pereira da Silva <aletes.xgr at gmail.com>

Acked-by: Michal Nazarewicz <mina86 at mina86.com>

> @@ -1470,6 +1472,35 @@ static int composite_bind(struct usb_gadget *gadget)
> 	cdev->desc = *composite->dev;
>+	/* grab overrides from devicetree */
> +	if (np) {
> +		u32 reg;
> +
> +		if (!idVendor &&
> +			of_property_read_u32(np, "vendor_id", &reg) == 0)
> +			idVendor = reg;
> +
> +		if (!idProduct &&
> +			of_property_read_u32(np, "product_id", &reg) == 0)
> +			idProduct = reg;
> +
> +		if (!bcdDevice &&
> +			of_property_read_u32(np, "bcd_device", &reg) == 0)
> +			bcdDevice = reg;
> +
> +		if (!iManufacturer)
> +			of_property_read_string(np, "manufacturer",
> +				&iManufacturer);
> +
> +		if (!iProduct)
> +			of_property_read_string(np, "product",
> +				&iProduct);
> +
> +		if (!iSerialNumber)
> +			of_property_read_string(np, "serial_number",
> +				&iSerialNumber);
> +	}
> +
>  	/* standardized runtime overrides for device ID data */
>  	if (idVendor)
>  		cdev->desc.idVendor = cpu_to_le16(idVendor);


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.o. | Liege of Serenely Enlightened Majesty of      o' \,=./ `o
..o | Computer Science,  Michał “mina86” Nazarewicz    (o o)
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