Commit dcf5228c authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: host: xhci: make use of new usb_endpoint_maxp_mult() 



We have introduced a helper to calculate multiplier
value from wMaxPacketSize. Start using it.

Cc: Mathias Nyman <mathias.nyman@intel.com>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent e3b89080

drivers/usb/host/xhci-mem.c

+3 −3
Original line number Diff line number Diff line
@@ -1370,7 +1370,7 @@ static u32 xhci_get_endpoint_max_burst(struct usb_device *udev, 
	if (udev->speed == USB_SPEED_HIGH &&

	    (usb_endpoint_xfer_isoc(&ep->desc) ||

	     usb_endpoint_xfer_int(&ep->desc)))

		return (usb_endpoint_maxp(&ep->desc) & 0x1800) >> 11;

		return usb_endpoint_maxp_mult(&ep->desc) - 1;



	return 0;

}
@@ -1416,9 +1416,9 @@ static u32 xhci_get_max_esit_payload(struct usb_device *udev, 
		return le16_to_cpu(ep->ss_ep_comp.wBytesPerInterval);



	max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc));

	max_burst = (usb_endpoint_maxp(&ep->desc) & 0x1800) >> 11;

	max_burst = usb_endpoint_maxp_mult(&ep->desc);

	/* A 0 in max burst means 1 transfer per ESIT */

	return max_packet * (max_burst + 1);

	return max_packet * max_burst;

}



/* Set up an endpoint with one ring segment.  Do not allocate stream rings.

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