On Tue, 12 Jul 2011, Felipe Balbi wrote:
> bMaxPacketSize0 on SuperSpeed devices should be 9 (2 ^ 9 == 512)
>
> Signed-off-by: Felipe Balbi <balbi@xxxxxx>
> ---
>
> diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
> index a428aa0..6964a28 100644
> --- a/drivers/usb/core/hub.c
> +++ b/drivers/usb/core/hub.c
> @@ -2930,7 +2930,7 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
> buf, GET_DESCRIPTOR_BUFSIZE,
> initial_descriptor_timeout);
> switch (buf->bMaxPacketSize0) {
> - case 8: case 16: case 32: case 64: case 255:
> + case 8: case 9: case 16: case 32: case 64: case 255:
> if (buf->bDescriptorType ==
> USB_DT_DEVICE) {
> r = 0;
Unnecessary; this block of code is protected by a !(hcd->driver->flags
& HCD_USB3) test. Besides, if this were really wrong then SuperSpeed
devices would never have worked under Linux. :-)
Alan Stern
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