Changeset af16ebe in mainline for uspace/drv/bus/usb/xhci/trb_ring.c
- Timestamp:
- 2018-02-05T00:54:52Z (7 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 239eea41
- Parents:
- c21e6a5
- git-author:
- Ondřej Hlavatý <aearsis@…> (2018-02-05 00:49:07)
- git-committer:
- Ondřej Hlavatý <aearsis@…> (2018-02-05 00:54:52)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
uspace/drv/bus/usb/xhci/trb_ring.c
rc21e6a5 raf16ebe 223 223 errno_t err; 224 224 assert(trbs > 0); 225 226 if (trbs > xhci_trb_ring_size(ring)) 227 return ELIMIT; 228 225 229 fibril_mutex_lock(&ring->guard); 226 230 … … 309 313 } 310 314 315 size_t xhci_trb_ring_size(xhci_trb_ring_t *ring) 316 { 317 return ring->segment_count * SEGMENT_TRB_USEFUL_COUNT; 318 } 319 311 320 /** 312 321 * Initializes an event ring.
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