[PATCH net-next v2 02/12] net: ethernet: aquantia: Removed busy_count field.
From: Pavel Belous <hidden>
Date: 2017-02-17 21:09:09
Subsystem:
aquantia ethernet driver (atlantic), networking drivers, the rest · Maintainers:
Sukhdeep Singh, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Pavel Belous <redacted> busy_count field and is_busy flag is not needed at all. Signed-off-by: Pavel Belous <redacted> --- 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