]> git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/commit
stmmac: add last_segment field to dma data
authorGiuseppe Cavallaro <peppe.cavallaro@st.com>
Mon, 29 Feb 2016 13:27:32 +0000 (14:27 +0100)
committerDavid S. Miller <davem@davemloft.net>
Wed, 2 Mar 2016 19:21:31 +0000 (14:21 -0500)
commit2a6d8e172639b49a81afc76140dd7ee7c9a24da1
treee6a4c565ea3239542bf26a7c0206095fdce2124e
parent553e2ab3130e9c3d234bee0c80a2a1e5057c8f9a
stmmac: add last_segment field to dma data

last_segment field is read twice from dma descriptors in stmmac_clean().
Add last_segment to dma data so that this flag is from priv
structure in cache instead of memory.
It avoids reading twice from memory for each loop in stmmac_clean().

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/stmicro/stmmac/chain_mode.c
drivers/net/ethernet/stmicro/stmmac/stmmac.h
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c