evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

usb: gadget: SS Isoc endpoints use comp_desc->bMaxBurst too

Browse source 
SuperSpeed Isoc endpoints also use the bMaxBurst value from the
companion descriptor. See section 9.6.7 in the USB 3.0 spec.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Paul Zimmerman 2012-01-16 13:24:38 -08:00 • committed by Felipe Balbi
parent a850163901
commit 9e878a6bfa
1 changed files with 3 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
drivers/usb/gadget/composite.c
View file

@ -175,13 +175,12 @@ ep_found:
_ep->comp_desc = comp_desc; _ep->comp_desc = comp_desc;
if (g->speed == USB_SPEED_SUPER) { if (g->speed == USB_SPEED_SUPER) {
switch (usb_endpoint_type(_ep->desc)) { switch (usb_endpoint_type(_ep->desc)) {
case USB_ENDPOINT_XFER_BULK:
case USB_ENDPOINT_XFER_INT:
_ep->maxburst = comp_desc->bMaxBurst;
break;
case USB_ENDPOINT_XFER_ISOC: case USB_ENDPOINT_XFER_ISOC:
/* mult: bits 1:0 of bmAttributes */ /* mult: bits 1:0 of bmAttributes */
_ep->mult = comp_desc->bmAttributes & 0x3; _ep->mult = comp_desc->bmAttributes & 0x3;
case USB_ENDPOINT_XFER_BULK:
case USB_ENDPOINT_XFER_INT:
_ep->maxburst = comp_desc->bMaxBurst;
break; break;
default: default:
/* Do nothing for control endpoints */ /* Do nothing for control endpoints */