diff mbox

[U-Boot,02/12,v3] driver/ldpaa_eth:Flush buffer before seeding BMAN after TX_conf

Message ID 1435466341-22901-2-git-send-email-prabhakar@freescale.com
State Superseded
Delegated to: York Sun
Headers show

Commit Message

Prabhakar Kushwaha June 28, 2015, 4:38 a.m. UTC 
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

 drivers/net/ldpaa_eth/ldpaa_eth.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox

Patch

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 {