diff options
| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-11-25 12:53:42 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-01-21 15:00:20 +0100 |
| commit | cd179c472bf1c0c6d59a05f51b41c70b39e165a8 (patch) | |
| tree | bd5405a82fe1501182e6b5b20af6e92006221f9d | |
| parent | if_cgem: Silence warning (diff) | |
| download | rtems-libbsd-cd179c472bf1c0c6d59a05f51b41c70b39e165a8.tar.bz2 | |
if_cgem: Add volatile to rx/tx desc rings
| -rw-r--r-- | freebsd/sys/dev/cadence/if_cgem.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/freebsd/sys/dev/cadence/if_cgem.c b/freebsd/sys/dev/cadence/if_cgem.c index b25cdc05..08afb342 100644 --- a/freebsd/sys/dev/cadence/if_cgem.c +++ b/freebsd/sys/dev/cadence/if_cgem.c @@ -123,7 +123,7 @@ struct cgem_softc { bus_dma_tag_t mbuf_dma_tag; /* receive descriptor ring */ - struct cgem_rx_desc *rxring; + struct cgem_rx_desc volatile *rxring; bus_addr_t rxring_physaddr; struct mbuf *rxring_m[CGEM_NUM_RX_DESCS]; bus_dmamap_t rxring_m_dmamap[CGEM_NUM_RX_DESCS]; @@ -139,7 +139,7 @@ struct cgem_softc { uint32_t rx_frames_prev; /* transmit descriptor ring */ - struct cgem_tx_desc *txring; + struct cgem_tx_desc volatile *txring; bus_addr_t txring_physaddr; struct mbuf *txring_m[CGEM_NUM_TX_DESCS]; bus_dmamap_t txring_m_dmamap[CGEM_NUM_TX_DESCS]; @@ -1804,7 +1804,7 @@ cgem_detach(device_t dev) bus_dmamap_unload(sc->desc_dma_tag, sc->rxring_dma_map); sc->rxring_physaddr = 0; } - bus_dmamem_free(sc->desc_dma_tag, sc->rxring, + bus_dmamem_free(sc->desc_dma_tag, __DEVOLATILE(void *, sc->rxring), sc->rxring_dma_map); sc->rxring = NULL; for (i = 0; i < CGEM_NUM_RX_DESCS; i++) @@ -1819,7 +1819,7 @@ cgem_detach(device_t dev) bus_dmamap_unload(sc->desc_dma_tag, sc->txring_dma_map); sc->txring_physaddr = 0; } - bus_dmamem_free(sc->desc_dma_tag, sc->txring, + bus_dmamem_free(sc->desc_dma_tag, __DEVOLATILE(void *, sc->txring), sc->txring_dma_map); sc->txring = NULL; for (i = 0; i < CGEM_NUM_TX_DESCS; i++) |