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Make sure to unload loaded DMA area(descriptor, command, event ring).

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This commit is contained in:
Pyun YongHyeon 2011-11-04 20:25:30 +00:00
parent 24a92ae013
commit 5948254c2a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=227091
1 changed files with 2 additions and 0 deletions
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2
sys/dev/ti/if_ti.c
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@ -2522,6 +2522,8 @@ ti_detach(device_t dev)
bus_dma_tag_destroy(sc->ti_mbuftx_dmat);
if (sc->ti_mbufrx_dmat)
bus_dma_tag_destroy(sc->ti_mbufrx_dmat);
if (sc->ti_rdata && sc->ti_rdata_dmamap)
bus_dmamap_unload(sc->ti_rdata_dmat, sc->ti_rdata_dmamap);
if (sc->ti_rdata)
bus_dmamem_free(sc->ti_rdata_dmat, sc->ti_rdata,
sc->ti_rdata_dmamap);