diff options
Diffstat (limited to 'freebsd/sys/dev/usb/usb_transfer.c')
| -rw-r--r-- | freebsd/sys/dev/usb/usb_transfer.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/freebsd/sys/dev/usb/usb_transfer.c b/freebsd/sys/dev/usb/usb_transfer.c index 3b67c20c..ee1e4c28 100644 --- a/freebsd/sys/dev/usb/usb_transfer.c +++ b/freebsd/sys/dev/usb/usb_transfer.c @@ -2195,6 +2195,9 @@ usbd_xfer_set_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex, /* set virtual address to load and length */ xfer->frbuffers[frindex].buffer = ptr; usbd_xfer_set_frame_len(xfer, frindex, len); +#ifdef __rtems__ + xfer->frbuffers[frindex].dma_do_cache_line_blow_up = 0; +#endif /* __rtems__ */ } void @@ -2209,6 +2212,23 @@ usbd_xfer_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex, *len = xfer->frlengths[frindex]; } +#ifdef __rtems__ +/*------------------------------------------------------------------------* + * usbd_xfer_frame_allow_cache_line_blow_up + * + * Set a flag that the buffer start and end belonging to this frame can be + * aligned to the next cache line on sync and flush. + *------------------------------------------------------------------------*/ +void +usbd_xfer_frame_allow_cache_line_blow_up(struct usb_xfer *xfer, + usb_frcount_t frindex) +{ + KASSERT(frindex < xfer->max_frame_count, ("frame index overflow")); + + xfer->frbuffers[frindex].dma_do_cache_line_blow_up = 1; +} + +#endif /* __rtems__ */ /*------------------------------------------------------------------------* * usbd_xfer_old_frame_length * |