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driver/ldpaa_eth:Flush buffer before seeding BMAN after TX_conf 

Flush buffer before releasing to BMan after TX_conf to ensure, the core does
not have any cachelines that the WRIOP will DMA to.

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Prabhakar Kushwaha 2015-07-02 11:28:57 +05:30 committed by York Sun
parent cc088c3ac6
commit e247db4fad
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ldpaa_eth/ldpaa_eth.c
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@ -153,6 +153,7 @@ static void ldpaa_eth_tx_conf(struct ldpaa_eth_priv *priv,
}
}
flush_dcache_range(fd_addr, fd_addr + LDPAA_ETH_RX_BUFFER_SIZE);
qbman_release_desc_clear(&releasedesc);
qbman_release_desc_set_bpid(&releasedesc, dflt_dpbp->dpbp_attr.bpid);
do {