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| author | Giuseppe CAVALLARO <peppe.cavallaro@st.com> | 2010-09-17 03:23:42 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-09-17 16:12:58 -0700 |
| commit | b71c7aaa1e2a9858f0c469026098fbd6e046d7bb (patch) | |
| tree | 39c7454d1e2230f9176e1a3c47b92e3f76a9f256 /drivers/net/stmmac | |
| parent | c629882ac73cab2cd41d9948caeed633fc570fc0 (diff) | |
| download | kernel_samsung_espresso10-b71c7aaa1e2a9858f0c469026098fbd6e046d7bb.zip kernel_samsung_espresso10-b71c7aaa1e2a9858f0c469026098fbd6e046d7bb.tar.gz kernel_samsung_espresso10-b71c7aaa1e2a9858f0c469026098fbd6e046d7bb.tar.bz2 | |
stmmac: use one memset() to reset TDES01
Use one memset() to reset all TDES01 fields instead
of one by one to reduce number of instructions.
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/stmmac')
| -rw-r--r-- | drivers/net/stmmac/enh_desc.c | 2 | ||||
| -rw-r--r-- | drivers/net/stmmac/norm_desc.c | 17 |
2 files changed, 2 insertions, 17 deletions
diff --git a/drivers/net/stmmac/enh_desc.c b/drivers/net/stmmac/enh_desc.c index 77ff88c..5d1471d 100644 --- a/drivers/net/stmmac/enh_desc.c +++ b/drivers/net/stmmac/enh_desc.c @@ -284,7 +284,7 @@ static void enh_desc_release_tx_desc(struct dma_desc *p) { int ter = p->des01.etx.end_ring; - memset(p, 0, sizeof(struct dma_desc)); + memset(p, 0, offsetof(struct dma_desc, des2)); p->des01.etx.end_ring = ter; } diff --git a/drivers/net/stmmac/norm_desc.c b/drivers/net/stmmac/norm_desc.c index 51f4440..0dce90c 100644 --- a/drivers/net/stmmac/norm_desc.c +++ b/drivers/net/stmmac/norm_desc.c @@ -174,22 +174,7 @@ static void ndesc_release_tx_desc(struct dma_desc *p) { int ter = p->des01.tx.end_ring; - /* clean field used within the xmit */ - p->des01.tx.first_segment = 0; - p->des01.tx.last_segment = 0; - p->des01.tx.buffer1_size = 0; - - /* clean status reported */ - p->des01.tx.error_summary = 0; - p->des01.tx.underflow_error = 0; - p->des01.tx.no_carrier = 0; - p->des01.tx.loss_carrier = 0; - p->des01.tx.excessive_deferral = 0; - p->des01.tx.excessive_collisions = 0; - p->des01.tx.late_collision = 0; - p->des01.tx.heartbeat_fail = 0; - p->des01.tx.deferred = 0; - + memset(p, 0, offsetof(struct dma_desc, des2)); /* set termination field */ p->des01.tx.end_ring = ter; } |