[PATCH 11/11] staging: wilc1000: removes unused local variable

Leo Kim leo.kim at atmel.com
Fri Mar 25 12:16:56 UTC 2016


This patch removes unused local variable.
This variable is operation definition that back off from sending packets
for some time.
However, that has been deleted operation code.
That is removes all relative code.

Signed-off-by: Leo Kim <leo.kim at atmel.com>
---
 drivers/staging/wilc1000/linux_wlan.c | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c
index fae03e8..a858552 100644
--- a/drivers/staging/wilc1000/linux_wlan.c
+++ b/drivers/staging/wilc1000/linux_wlan.c
@@ -309,12 +309,6 @@ static int linux_wlan_txq_task(void *vp)
 	struct wilc_vif *vif;
 	struct wilc *wl;
 	struct net_device *dev = vp;
-#define TX_BACKOFF_WEIGHT_INCR_STEP (1)
-#define TX_BACKOFF_WEIGHT_DECR_STEP (1)
-#define TX_BACKOFF_WEIGHT_MAX (7)
-#define TX_BACKOFF_WEIGHT_MIN (0)
-#define TX_BACKOFF_WEIGHT_UNIT_MS (10)
-	int backoff_weight = TX_BACKOFF_WEIGHT_MIN;
 
 	vif = netdev_priv(dev);
 	wl = vif->wilc;
@@ -338,18 +332,6 @@ static int linux_wlan_txq_task(void *vp)
 				if (netif_queue_stopped(wl->vif[1]->ndev))
 					netif_wake_queue(wl->vif[1]->ndev);
 			}
-
-			if (ret == WILC_TX_ERR_NO_BUF) {
-				backoff_weight += TX_BACKOFF_WEIGHT_INCR_STEP;
-				if (backoff_weight > TX_BACKOFF_WEIGHT_MAX)
-					backoff_weight = TX_BACKOFF_WEIGHT_MAX;
-			} else {
-				if (backoff_weight > TX_BACKOFF_WEIGHT_MIN) {
-					backoff_weight -= TX_BACKOFF_WEIGHT_DECR_STEP;
-					if (backoff_weight < TX_BACKOFF_WEIGHT_MIN)
-						backoff_weight = TX_BACKOFF_WEIGHT_MIN;
-				}
-			}
 		} while (ret == WILC_TX_ERR_NO_BUF && !wl->close);
 	}
 	return 0;
-- 
1.9.1



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