diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-12 08:54:43 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-12 11:22:51 +0100 |
| commit | f108b2de9cd0af9b2e5ba092d6b98ee96176b823 (patch) | |
| tree | 31f53a68c4a76f0ee22e3782644e4c891710f9a3 /drivers/usb/gadget | |
| parent | 6053479cbbc58df088c2ab248f0d1a46109dfc0c (diff) | |
Revert "usb: gadget: composite: always set ep->mult to a sensible value"
This reverts commit c53af76d5de1af844a71e673ae4a02f1786c1b9c which is
commit eaa496ffaaf19591fe471a36cef366146eeb9153 upstream as it was
incorrect.
Reported-by: Bin Liu <b-liu@ti.com>
Cc: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/composite.c | 9 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/uvc_video.c | 2 |
2 files changed, 3 insertions, 8 deletions
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 46d30dbde025..8cf00f6ed043 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -148,12 +148,7 @@ ep_found: _ep->desc = chosen_desc; _ep->comp_desc = NULL; _ep->maxburst = 0; - _ep->mult = 1; - - if (g->speed == USB_SPEED_HIGH && (usb_endpoint_xfer_isoc(_ep->desc) || - usb_endpoint_xfer_int(_ep->desc))) - _ep->mult = usb_endpoint_maxp(_ep->desc) & 0x7ff; - + _ep->mult = 0; if (!want_comp_desc) return 0; @@ -170,7 +165,7 @@ ep_found: switch (usb_endpoint_type(_ep->desc)) { case USB_ENDPOINT_XFER_ISOC: /* mult: bits 1:0 of bmAttributes */ - _ep->mult = (comp_desc->bmAttributes & 0x3) + 1; + _ep->mult = comp_desc->bmAttributes & 0x3; case USB_ENDPOINT_XFER_BULK: case USB_ENDPOINT_XFER_INT: _ep->maxburst = comp_desc->bMaxBurst + 1; diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c index 0f01c04d7cbd..3d0d5d94a62f 100644 --- a/drivers/usb/gadget/function/uvc_video.c +++ b/drivers/usb/gadget/function/uvc_video.c @@ -243,7 +243,7 @@ uvc_video_alloc_requests(struct uvc_video *video) req_size = video->ep->maxpacket * max_t(unsigned int, video->ep->maxburst, 1) - * (video->ep->mult); + * (video->ep->mult + 1); for (i = 0; i < UVC_NUM_REQUESTS; ++i) { video->req_buffer[i] = kmalloc(req_size, GFP_KERNEL); |