On Mon, 19 Mar 2012, Lan Tianyu wrote:
> Add the member platform_data in the usb_hub_port to store port's
> platform related data. Provide usb_set_hub_port_platform_data() and
> usb_get_hub_port_platform_data() to access the member.
> +int usb_set_hub_port_platform_data(struct usb_device *udev, int port,
> + unsigned long data)
The argument is a 1-based port number, so it should be called "port1"
instead of "port".
The same change needs to be made in other places in your patch series.
> +{
> + struct usb_hub *hub = hdev_to_hub(udev);
> +
> + if (port > hub->descriptor->bNbrPorts || port < 1)
Use udev->maxchild instead of hub->descriptor->bNbrPorts. Same thing
in usb_get_hub_port_platform_data().
> + return -EINVAL;
> + hub->port_data[port - 1].platform_data = data;
> + return 0;
> +}
Alan Stern
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