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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2015-07-24 21:24:03 +0300
committerDavid S. Miller <davem@davemloft.net>2015-07-27 01:10:29 -0700
commit94b295edc2c678212376a8aca9308cf6ee430b89 (patch)
tree450dfc85c4e3b495301e36a070107d24153a9eee /drivers/net/ethernet/cadence
parent8bcbf82f31a94f8e4f939ac57478d808263c3890 (diff)
downloadlinux-94b295edc2c678212376a8aca9308cf6ee430b89.tar.bz2
net/macb: replace macb_count_tx_descriptors() by DIV_ROUND_UP()
macb_count_tx_descriptors() repeats the generic macro DIV_ROUND_UP(). The patch does a replacement. There is no functional change. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cadence')
-rw-r--r--drivers/net/ethernet/cadence/macb.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index 77a5270ccae5..c638757251e6 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -1157,12 +1157,6 @@ static void macb_poll_controller(struct net_device *dev)
}
#endif
-static inline unsigned int macb_count_tx_descriptors(struct macb *bp,
- unsigned int len)
-{
- return (len + bp->max_tx_length - 1) / bp->max_tx_length;
-}
-
static unsigned int macb_tx_map(struct macb *bp,
struct macb_queue *queue,
struct sk_buff *skb)
@@ -1313,11 +1307,11 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
* socket buffer: skb fragments of jumbo frames may need to be
* splitted into many buffer descriptors.
*/
- count = macb_count_tx_descriptors(bp, skb_headlen(skb));
+ count = DIV_ROUND_UP(skb_headlen(skb), bp->max_tx_length);
nr_frags = skb_shinfo(skb)->nr_frags;
for (f = 0; f < nr_frags; f++) {
frag_size = skb_frag_size(&skb_shinfo(skb)->frags[f]);
- count += macb_count_tx_descriptors(bp, frag_size);
+ count += DIV_ROUND_UP(frag_size, bp->max_tx_length);
}
spin_lock_irqsave(&bp->lock, flags);