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| author | Prabhakar Kushwaha <prabhakar@freescale.com> | 2015-07-02 05:58:57 (GMT) |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2015-07-20 18:44:36 (GMT) |
| commit | e247db4fadc4e00b6f61f28f4df012bcb3b083c1 (patch) | |
| tree | eb8152bb75fdf641cf293bc0bcd78db4db04d391 | |
| parent | cc088c3ac63e3decca1a84c7e64cb31b863bc111 (diff) | |
| download | u-boot-fsl-qoriq-e247db4fadc4e00b6f61f28f4df012bcb3b083c1.tar.xz | |
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>
| -rw-r--r-- | drivers/net/ldpaa_eth/ldpaa_eth.c | 1 |
1 files changed, 1 insertions, 0 deletions
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 { |