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ath79: ag71xx: remove code for legacy kernels

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ath79 does not support kernels prior to 4.19 anymore.
Remove legacy code for those kernels from the ag71xx driver.

Signed-off-by: David Bauer <mail@david-bauer.net>
This commit is contained in:
David Bauer 2020-04-27 12:18:07 +02:00
parent 3f5997fb28
commit 5358d8b995
1 changed files with 0 additions and 32 deletions
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32
target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
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@ -1080,16 +1080,9 @@ static int ag71xx_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
return -EOPNOTSUPP;
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,15,0))
static void ag71xx_oom_timer_handler(unsigned long data)
{
struct net_device *dev = (struct net_device *) data;
struct ag71xx *ag = netdev_priv(dev);
#else
static void ag71xx_oom_timer_handler(struct timer_list *t)
{
struct ag71xx *ag = from_timer(ag, t, oom_timer);
#endif
napi_schedule(&ag->napi);
}
@ -1214,22 +1207,14 @@ static int ag71xx_rx_packets(struct ag71xx *ag, int limit)
unsigned int offset = ag->rx_buf_offset;
int ring_mask = BIT(ring->order) - 1;
int ring_size = BIT(ring->order);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0))
struct list_head rx_list;
struct sk_buff *next;
#else
struct sk_buff_head queue;
#endif
struct sk_buff *skb;
int done = 0;
DBG("%s: rx packets, limit=%d, curr=%u, dirty=%u\n",
dev->name, limit, ring->curr, ring->dirty);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0))
INIT_LIST_HEAD(&rx_list);
#else
skb_queue_head_init(&queue);
#endif
while (done < limit) {
unsigned int i = ring->curr & ring_mask;
@ -1271,11 +1256,7 @@ static int ag71xx_rx_packets(struct ag71xx *ag, int limit)
} else {
skb->dev = dev;
skb->ip_summed = CHECKSUM_NONE;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0))
list_add_tail(&skb->list, &rx_list);
#else
__skb_queue_tail(&queue, skb);
#endif
}
next:
@ -1287,16 +1268,9 @@ next:
ag71xx_ring_rx_refill(ag);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0))
list_for_each_entry_safe(skb, next, &rx_list, list)
skb->protocol = eth_type_trans(skb, dev);
netif_receive_skb_list(&rx_list);
#else
while ((skb = __skb_dequeue(&queue)) != NULL) {
skb->protocol = eth_type_trans(skb, dev);
netif_receive_skb(skb);
}
#endif
DBG("%s: rx finish, curr=%u, dirty=%u, done=%d\n",
dev->name, ring->curr, ring->dirty, done);
@ -1520,13 +1494,7 @@ static int ag71xx_probe(struct platform_device *pdev)
INIT_DELAYED_WORK(&ag->restart_work, ag71xx_restart_work_func);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,15,0))
init_timer(&ag->oom_timer);
ag->oom_timer.data = (unsigned long) dev;
ag->oom_timer.function = ag71xx_oom_timer_handler;
#else
timer_setup(&ag->oom_timer, ag71xx_oom_timer_handler, 0);
#endif
tx_size = AG71XX_TX_RING_SIZE_DEFAULT;
ag->rx_ring.order = ag71xx_ring_size_order(AG71XX_RX_RING_SIZE_DEFAULT);