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 --- Changes for v2: Sending as it is for patchset Changes for v3: Sending as it is for patchset Changes for v4: Sending as it is for patchset
drivers/net/ldpaa_eth/ldpaa_eth.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ldpaa_eth/ldpaa_eth.c b/drivers/net/ldpaa_eth/ldpaa_eth.c index d4be1ba..5636511 100644 --- a/drivers/net/ldpaa_eth/ldpaa_eth.c +++ b/drivers/net/ldpaa_eth/ldpaa_eth.c @@ -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 {