Revert "usb: gadget: uvc: limit isoc_sg to super speed gadgets"

This reverts commit 19905240aef0181d1e6944070eb85fce75f75bcd.

It was a new feature, and it doesn't even work properly yet, so revert
it from this branch as it is not needed for 6.1-final.

Cc: Michael Grzeschik <m.grzeschik@pengutronix.de>
Cc: stable <stable@kernel.org>
Fixes: 19905240aef0 ("usb: gadget: uvc: limit isoc_sg to super speed gadgets")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c
index 782eaae..0aa3d7e 100644 (file)
--- a/drivers/usb/gadget/function/uvc_queue.c
+++ b/drivers/usb/gadget/function/uvc_queue.c
@@ -84,9 +84,12 @@ static int uvc_buffer_prepare(struct vb2_buffer *vb)
                return -ENODEV;
 
        buf->state = UVC_BUF_STATE_QUEUED;
-       buf->sgt = vb2_dma_sg_plane_desc(vb, 0);
-       buf->sg = buf->sgt->sgl;
-       buf->mem = vb2_plane_vaddr(vb, 0);
+       if (queue->use_sg) {
+               buf->sgt = vb2_dma_sg_plane_desc(vb, 0);
+               buf->sg = buf->sgt->sgl;
+       } else {
+               buf->mem = vb2_plane_vaddr(vb, 0);
+       }
        buf->length = vb2_plane_size(vb, 0);
        if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
                buf->bytesused = 0;

diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c
index b6ea600..dd1c6b2 100644 (file)
--- a/drivers/usb/gadget/function/uvc_video.c
+++ b/drivers/usb/gadget/function/uvc_video.c
@@ -459,9 +459,6 @@ static void uvcg_video_pump(struct work_struct *work)
  */
 int uvcg_video_enable(struct uvc_video *video, int enable)
 {
-       struct uvc_device *uvc = video->uvc;
-       struct usb_composite_dev *cdev = uvc->func.config->cdev;
-       struct usb_gadget *gadget = cdev->gadget;
        unsigned int i;
        int ret;
 
@@ -493,11 +490,9 @@ int uvcg_video_enable(struct uvc_video *video, int enable)
        if (video->max_payload_size) {
                video->encode = uvc_video_encode_bulk;
                video->payload_size = 0;
-       } else {
-               video->encode = (video->queue.use_sg &&
-                                !(gadget->speed <= USB_SPEED_HIGH)) ?
+       } else
+               video->encode = video->queue.use_sg ?
                        uvc_video_encode_isoc_sg : uvc_video_encode_isoc;
-       }
 
        video->req_int_count = 0;