On Wed, 28 Sep 2016, Felipe Balbi wrote:
> We have introduced a helper to calculate multiplier
> value from wMaxPacketSize. Start using it.
>
> Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> Cc: <linux-usb@xxxxxxxxxxxxxxx>
> Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
> ---
> drivers/usb/host/ehci-sched.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
> index 1dfe54f14737..6a9fa2c3a24e 100644
> --- a/drivers/usb/host/ehci-sched.c
> +++ b/drivers/usb/host/ehci-sched.c
> @@ -1064,7 +1064,7 @@ iso_stream_init(
>
> /* knows about ITD vs SITD */
> if (dev->speed == USB_SPEED_HIGH) {
> - unsigned multi = hb_mult(maxp);
> + unsigned multi = usb_endpoint_maxp_mult(&urb->ep->desc);
>
> stream->highspeed = 1;
There are lots of other places where the new helpers might be used.
Search for "max_packet" and "hb_mult" in ehci-q.c and ehci-sched.c.
Alan Stern
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