[PATCH 15/17] net: stmmac: remove dead code in stmmac_tx_clean

[Corentin Labbe]

Since commit cf32deec16e4 ("stmmac: add tx_skbuff_dma to save descriptors used 
by PTP"),
the struct dma_desc *p in stmmac_tx_clean was not used at all.

This patch remove this dead code.

Signed-off-by: Corentin Labbe 
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 7 ---
 1 file changed, 7 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c 
b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 3d52b8c..b494bc2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1124,13 +1124,6 @@ static void dma_free_tx_skbufs(struct stmmac_priv *priv)
int i;
 
for (i = 0; i < DMA_TX_SIZE; i++) {
-   struct dma_desc *p;
-
-   if (priv->extend_desc)
-   p = &((priv->dma_etx + i)->basic);
-   else
-   p = priv->dma_tx + i;
-
if (priv->tx_skbuff_dma[i].buf) {
if (priv->tx_skbuff_dma[i].map_as_page)
dma_unmap_page(priv->device,
-- 
2.10.2

Re: [PATCH 15/17] net: stmmac: remove dead code in stmmac_tx_clean

[Giuseppe CAVALLARO]

On 1/31/2017 10:11 AM, Corentin Labbe wrote:

Since commit cf32deec16e4 ("stmmac: add tx_skbuff_dma to save descriptors used by 
PTP"),
the struct dma_desc *p in stmmac_tx_clean was not used at all.

This patch remove this dead code.

Signed-off-by: Corentin Labbe 


Acked-by: Giuseppe Cavallaro 


---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 7 ---
 1 file changed, 7 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c 
b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 3d52b8c..b494bc2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1124,13 +1124,6 @@ static void dma_free_tx_skbufs(struct stmmac_priv *priv)
int i;

for (i = 0; i < DMA_TX_SIZE; i++) {
-   struct dma_desc *p;
-
-   if (priv->extend_desc)
-   p = &((priv->dma_etx + i)->basic);
-   else
-   p = priv->dma_tx + i;
-
if (priv->tx_skbuff_dma[i].buf) {
if (priv->tx_skbuff_dma[i].map_as_page)
dma_unmap_page(priv->device,