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sfxge: DMA allocated memory is set to zeros because of BUS_DMA_ZERO flag

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It is not required to set it to zeros once again.

Sponsored by:   Solarflare Communications, Inc.
Approved by:    gnn (mentor)
This commit is contained in:
Andrew Rybchenko 2015-02-22 18:56:03 +00:00
parent 83488e1827
commit 72ca6d78f1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=279179
2 changed files with 0 additions and 2 deletions
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1
sys/dev/sfxge/sfxge_rx.c
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@ -1113,7 +1113,6 @@ sfxge_rx_qinit(struct sfxge_softc *sc, unsigned int index)
/* Allocate and zero DMA space. */
if ((rc = sfxge_dma_alloc(sc, EFX_RXQ_SIZE(sc->rxq_entries), esmp)) != 0)
return (rc);
(void)memset(esmp->esm_base, 0, EFX_RXQ_SIZE(sc->rxq_entries));
/* Allocate buffer table entries. */
sfxge_sram_buf_tbl_alloc(sc, EFX_RXQ_NBUFS(sc->rxq_entries),

1
sys/dev/sfxge/sfxge_tx.c
View File

@ -1400,7 +1400,6 @@ sfxge_tx_qinit(struct sfxge_softc *sc, unsigned int txq_index,
/* Allocate and zero DMA space for the descriptor ring. */
if ((rc = sfxge_dma_alloc(sc, EFX_TXQ_SIZE(sc->txq_entries), esmp)) != 0)
return (rc);
(void)memset(esmp->esm_base, 0, EFX_TXQ_SIZE(sc->txq_entries));
/* Allocate buffer table entries. */
sfxge_sram_buf_tbl_alloc(sc, EFX_TXQ_NBUFS(sc->txq_entries),