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net: ethernet: stmmac: GMAC4.xx: Fix TX descriptor preparation
authorAlexandre TORGUE <alexandre.torgue@st.com>
Fri, 8 Apr 2016 09:18:03 +0000 (11:18 +0200)
committerDavid S. Miller <davem@davemloft.net>
Thu, 14 Apr 2016 02:35:17 +0000 (22:35 -0400)
commit18b46810eb61f1d1a66c5511d12e84ea8cb7f35c
tree9118e219d45137a2ea07a32f4476f0d3d8fca25btree | snapshot
parentfbf405e80c8af9ba0a9eb6f52d3bb8cddacd6036commit | diff
net: ethernet: stmmac: GMAC4.xx: Fix TX descriptor preparation

On GMAC4.xx each descriptor contains 2 buffers of 16KB (each).
Initially, those 2 buffers was filled in dwmac4_rd_prepare_tx_desc but
it is actually not needed. Indeed, stmmac driver supports frame up to
9000 bytes (jumbo). So only one buffer is needed.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c diff | blob | history
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