Spidernet cleanup un-needed API

There is no need to pass a flag into spider_net_decode_one_descr()
so remove this, and perform some othre minor cleanup.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Cc: James K Lewis <jklewis@us.ibm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index 572c754..f97251a 100644 (file)
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -910,7 +910,6 @@ spider_net_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
  * spider_net_pass_skb_up - takes an skb from a descriptor and passes it on
  * @descr: descriptor to process
  * @card: card structure
- * @napi: whether caller is in NAPI context
  *
  * returns 1 on success, 0 if no packet was passed to the stack
  *
@@ -919,7 +918,7 @@ spider_net_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
  */
 static int
 spider_net_pass_skb_up(struct spider_net_descr *descr,
-                      struct spider_net_card *card, int napi)
+                      struct spider_net_card *card)
 {
        struct sk_buff *skb;
        struct net_device *netdev;
@@ -972,10 +971,7 @@ spider_net_pass_skb_up(struct spider_net_descr *descr,
        }
 
        /* pass skb up to stack */
-       if (napi)
-               netif_receive_skb(skb);
-       else
-               netif_rx_ni(skb);
+       netif_receive_skb(skb);
 
        /* update netdevice statistics */
        card->netdev_stats.rx_packets++;
@@ -987,16 +983,15 @@ spider_net_pass_skb_up(struct spider_net_descr *descr,
 /**
  * spider_net_decode_one_descr - processes an rx descriptor
  * @card: card structure
- * @napi: whether caller is in NAPI context
  *
- * returns 1 if a packet has been sent to the stack, otherwise 0
+ * Returns 1 if a packet has been sent to the stack, otherwise 0
  *
- * processes an rx descriptor by iommu-unmapping the data buffer and passing
+ * Processes an rx descriptor by iommu-unmapping the data buffer and passing
  * the packet up to the stack. This function is called in softirq
  * context, e.g. either bottom half from interrupt or NAPI polling context
  */
 static int
-spider_net_decode_one_descr(struct spider_net_card *card, int napi)
+spider_net_decode_one_descr(struct spider_net_card *card)
 {
        struct spider_net_descr_chain *chain = &card->rx_chain;
        struct spider_net_descr *descr = chain->tail;
@@ -1005,18 +1000,15 @@ spider_net_decode_one_descr(struct spider_net_card *card, int napi)
 
        status = spider_net_get_descr_status(descr);
 
-       if (status == SPIDER_NET_DESCR_CARDOWNED) {
-               /* nothing in the descriptor yet */
-               result=0;
-               goto out;
-       }
+       /* nothing in the descriptor yet */
+       if (status == SPIDER_NET_DESCR_CARDOWNED)
+               return 0;
 
        if (status == SPIDER_NET_DESCR_NOT_IN_USE) {
                /* not initialized yet, the ring must be empty */
                spider_net_refill_rx_chain(card);
                spider_net_enable_rxdmac(card);
-               result=0;
-               goto out;
+               return 0;
        }
 
        /* descriptor definitively used -- move on tail */
@@ -1046,13 +1038,10 @@ spider_net_decode_one_descr(struct spider_net_card *card, int napi)
        }
 
        /* ok, we've got a packet in descr */
-       result = spider_net_pass_skb_up(descr, card, napi);
+       result = spider_net_pass_skb_up(descr, card);
 refill:
-       descr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
        /* change the descriptor state: */
-       if (!napi)
-               spider_net_refill_rx_chain(card);
-out:
+       descr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
        return result;
 }
 
@@ -1079,7 +1068,7 @@ spider_net_poll(struct net_device *netdev, int *budget)
        packets_to_do = min(*budget, netdev->quota);
 
        while (packets_to_do) {
-               if (spider_net_decode_one_descr(card, 1)) {
+               if (spider_net_decode_one_descr(card)) {
                        packets_done++;
                        packets_to_do--;
                } else {