[PATCH net-next v3 02/12] net: ethernet: aquantia: Removed busy_count field.

[Pavel Belous]

From: Pavel Belous <pavel.bel...@aquantia.com>

 busy_count field and is_busy flag is not needed at all.

Signed-off-by: Pavel Belous <pavel.bel...@aquantia.com>
Reviewed-by: Lino Sanfilippo <linosanfili...@gmx.de>
---
 drivers/net/ethernet/aquantia/atlantic/aq_nic.c   | 11 -----------
 drivers/net/ethernet/aquantia/atlantic/aq_utils.h |  1 -
 2 files changed, 12 deletions(-)

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c 
b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index aa22a7c..a153750 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -122,14 +122,11 @@ static void aq_nic_service_timer_cb(unsigned long param)
        struct aq_nic_s *self = (struct aq_nic_s *)param;
        struct net_device *ndev = aq_nic_get_ndev(self);
        int err = 0;
-       bool is_busy = false;
        unsigned int i = 0U;
        struct aq_hw_link_status_s link_status;
        struct aq_ring_stats_rx_s stats_rx;
        struct aq_ring_stats_tx_s stats_tx;
 
-       atomic_inc(&self->header.busy_count);
-       is_busy = true;
        if (aq_utils_obj_test(&self->header.flags, AQ_NIC_FLAGS_IS_NOT_READY))
                goto err_exit;
 
@@ -170,8 +167,6 @@ static void aq_nic_service_timer_cb(unsigned long param)
        ndev->stats.tx_errors = stats_tx.errors;
 
 err_exit:
-       if (is_busy)
-               atomic_dec(&self->header.busy_count);
        mod_timer(&self->service_timer,
                  jiffies + AQ_CFG_SERVICE_TIMER_INTERVAL);
 }
@@ -574,16 +569,12 @@ __acquires(&ring->lock)
        unsigned int trys = AQ_CFG_LOCK_TRYS;
        int err = 0;
        bool is_nic_in_bad_state;
-       bool is_busy = false;
        struct aq_ring_buff_s buffers[AQ_CFG_SKB_FRAGS_MAX];
 
        frags = skb_shinfo(skb)->nr_frags + 1;
 
        ring = self->aq_ring_tx[AQ_NIC_TCVEC2RING(self, tc, vec)];
 
-       atomic_inc(&self->header.busy_count);
-       is_busy = true;
-
        if (frags > AQ_CFG_SKB_FRAGS_MAX) {
                dev_kfree_skb_any(skb);
                goto err_exit;
@@ -629,8 +620,6 @@ __acquires(&ring->lock)
        }
 
 err_exit:
-       if (is_busy)
-               atomic_dec(&self->header.busy_count);
        return err;
 }
 
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_utils.h 
b/drivers/net/ethernet/aquantia/atlantic/aq_utils.h
index 4446bd9..f6012b3 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_utils.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_utils.h
@@ -19,7 +19,6 @@
 struct aq_obj_s {
        spinlock_t lock; /* spinlock for nic/rings processing */
        atomic_t flags;
-       atomic_t busy_count;
 };
 
 static inline void aq_utils_obj_set(atomic_t *flags, u32 mask)
-- 
2.7.4