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@ -37,7 +37,8 @@ static void usb_urb_complete(struct urb *urb) |
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case -ESHUTDOWN: |
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return; |
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default: /* error */ |
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deb_ts("urb completition error %d.\n", urb->status); |
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pr_debug("%s: URB completition failed=%d\n", __func__, |
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urb->status); |
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break; |
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} |
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@ -46,9 +47,9 @@ static void usb_urb_complete(struct urb *urb) |
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case PIPE_ISOCHRONOUS: |
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for (i = 0; i < urb->number_of_packets; i++) { |
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if (urb->iso_frame_desc[i].status != 0) |
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deb_ts("iso frame descriptor has an" \
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" error: %d\n", |
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urb->iso_frame_desc[i].status); |
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pr_debug("%s: iso frame descriptor has an" \
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" error=%d\n", __func__, |
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urb->iso_frame_desc[i].status); |
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else if (urb->iso_frame_desc[i].actual_length > 0) |
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stream->complete(stream, |
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b + urb->iso_frame_desc[i].offset, |
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@ -74,8 +75,7 @@ int usb_urb_kill(struct usb_data_stream *stream) |
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{ |
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int i; |
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for (i = 0; i < stream->urbs_submitted; i++) { |
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deb_ts("killing URB no. %d.\n", i); |
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pr_debug("%s: kill URB=%d\n", __func__, i); |
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/* stop the URB */ |
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usb_kill_urb(stream->urb_list[i]); |
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} |
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@ -95,7 +95,7 @@ int usb_urb_submit(struct usb_data_stream *stream, |
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} |
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for (i = 0; i < stream->urbs_initialized; i++) { |
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deb_ts("submitting URB no. %d\n", i); |
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pr_debug("%s: submit URB=%d\n", __func__, i); |
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ret = usb_submit_urb(stream->urb_list[i], GFP_ATOMIC); |
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if (ret) { |
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err("could not submit URB no. %d - get them all back", |
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@ -116,7 +116,6 @@ int usb_urb_free_urbs(struct usb_data_stream *stream) |
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for (i = 0; i < stream->urbs_initialized; i++) { |
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if (stream->urb_list[i] != NULL) { |
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deb_mem("freeing URB no. %d.\n", i); |
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pr_debug("%s: free URB=%d\n", __func__, i); |
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/* free the URBs */ |
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usb_free_urb(stream->urb_list[i]); |
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@ -136,7 +135,7 @@ static int usb_urb_alloc_bulk_urbs(struct usb_data_stream *stream) |
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pr_debug("%s: alloc URB=%d\n", __func__, i); |
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stream->urb_list[i] = usb_alloc_urb(0, GFP_ATOMIC); |
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if (!stream->urb_list[i]) { |
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deb_mem("not enough memory for urb_alloc_urb!.\n"); |
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pr_debug("%s: failed\n", __func__); |
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for (j = 0; j < i; j++) |
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usb_free_urb(stream->urb_list[j]); |
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return -ENOMEM; |
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@ -168,7 +167,7 @@ static int usb_urb_alloc_isoc_urbs(struct usb_data_stream *stream) |
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stream->urb_list[i] = usb_alloc_urb( |
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stream->props.u.isoc.framesperurb, GFP_ATOMIC); |
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if (!stream->urb_list[i]) { |
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deb_mem("not enough memory for urb_alloc_urb!\n"); |
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pr_debug("%s: failed\n", __func__); |
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for (j = 0; j < i; j++) |
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usb_free_urb(stream->urb_list[j]); |
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return -ENOMEM; |
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@ -206,7 +205,8 @@ int usb_free_stream_buffers(struct usb_data_stream *stream) |
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if (stream->state & USB_STATE_URB_BUF) { |
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while (stream->buf_num) { |
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stream->buf_num--; |
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deb_mem("freeing buffer %d\n", stream->buf_num); |
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pr_debug("%s: free buf=%d\n", __func__, |
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stream->buf_num); |
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usb_free_coherent(stream->udev, stream->buf_size, |
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stream->buf_list[stream->buf_num], |
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stream->dma_addr[stream->buf_num]); |
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@ -224,27 +224,27 @@ int usb_alloc_stream_buffers(struct usb_data_stream *stream, int num, |
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stream->buf_num = 0; |
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stream->buf_size = size; |
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deb_mem("all in all I will use %lu bytes for streaming\n", num * size); |
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pr_debug("%s: all in all I will use %lu bytes for streaming\n", |
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__func__, num * size); |
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for (stream->buf_num = 0; stream->buf_num < num; stream->buf_num++) { |
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deb_mem("allocating buffer %d\n", stream->buf_num); |
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pr_debug("%s: alloc buf=%d\n", __func__, stream->buf_num); |
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stream->buf_list[stream->buf_num] = usb_alloc_coherent( |
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stream->udev, size, GFP_ATOMIC, |
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&stream->dma_addr[stream->buf_num]); |
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if (stream->buf_list[stream->buf_num] == NULL) { |
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deb_mem("not enough memory for urb-buffer" \
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" allocation.\n"); |
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pr_debug("%s: failed\n", __func__); |
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usb_free_stream_buffers(stream); |
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return -ENOMEM; |
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} |
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deb_mem("buffer %d: %p (dma: %llu)\n", |
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pr_debug("%s: buf %d: %p (dma %llu)\n", __func__, |
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stream->buf_num, |
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stream->buf_list[stream->buf_num], |
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(long long)stream->dma_addr[stream->buf_num]); |
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memset(stream->buf_list[stream->buf_num], 0, size); |
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stream->state |= USB_STATE_URB_BUF; |
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} |
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deb_mem("allocation successful\n"); |
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return 0; |
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} |
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@ -258,12 +258,14 @@ int usb_urb_reconfig(struct usb_data_stream *stream, |
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return 0; |
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/* check allocated buffers are large enough for the request */ |
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if (props->type == USB_BULK) |
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if (props->type == USB_BULK) { |
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buf_size = stream->props.u.bulk.buffersize; |
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else if (props->type == USB_ISOC) |
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} else if (props->type == USB_ISOC) { |
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buf_size = props->u.isoc.framesize * props->u.isoc.framesperurb; |
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else |
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} else { |
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err("invalid endpoint type=%d", props->type); |
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return -EINVAL; |
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} |
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if (stream->buf_num < props->count || stream->buf_size < buf_size) { |
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err("cannot reconfigure as allocated buffers are too small"); |
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