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authorJonas Bonn <jonas@southpole.se>2010-06-11 02:47:34 +0000
committerDavid S. Miller <davem@davemloft.net>2010-06-11 13:28:34 -0700
commitc527f81475aaa18123eebe3d72a40a25d8e244af (patch)
treed71dcb9b809da2e8b3d24ab6e937c5d3e99fae9d /drivers/net/ethoc.c
parent14599f1e341ee219abdd15f4eee5872d6f2d29f1 (diff)
ethoc: calculate number of buffers in ethoc_probe
This moves the calculation of the number of transmission buffers to ethoc_probe where it more logically fits with the rest of the memory allocation code. Signed-off-by: Jonas Bonn <jonas@southpole.se> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethoc.c')
-rw-r--r--drivers/net/ethoc.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/net/ethoc.c b/drivers/net/ethoc.c
index 6ed2df14ec8..68093cfa153 100644
--- a/drivers/net/ethoc.c
+++ b/drivers/net/ethoc.c
@@ -658,8 +658,6 @@ static int ethoc_mdio_probe(struct net_device *dev)
static int ethoc_open(struct net_device *dev)
{
struct ethoc *priv = netdev_priv(dev);
- unsigned int min_tx = 2;
- unsigned int num_bd;
int ret;
ret = request_irq(dev->irq, ethoc_interrupt, IRQF_SHARED,
@@ -667,11 +665,6 @@ static int ethoc_open(struct net_device *dev)
if (ret)
return ret;
- /* calculate the number of TX/RX buffers, maximum 128 supported */
- num_bd = min_t(unsigned int,
- 128, (dev->mem_end - dev->mem_start + 1) / ETHOC_BUFSIZ);
- priv->num_tx = max(min_tx, num_bd / 4);
- priv->num_rx = num_bd - priv->num_tx;
ethoc_write(priv, TX_BD_NUM, priv->num_tx);
ethoc_init_ring(priv);
@@ -884,6 +877,7 @@ static int ethoc_probe(struct platform_device *pdev)
struct resource *mem = NULL;
struct ethoc *priv = NULL;
unsigned int phy;
+ int num_bd;
int ret = 0;
/* allocate networking device */
@@ -978,6 +972,12 @@ static int ethoc_probe(struct platform_device *pdev)
priv->dma_alloc = buffer_size;
}
+ /* calculate the number of TX/RX buffers, maximum 128 supported */
+ num_bd = min_t(unsigned int,
+ 128, (netdev->mem_end - netdev->mem_start + 1) / ETHOC_BUFSIZ);
+ priv->num_tx = max(2, num_bd / 4);
+ priv->num_rx = num_bd - priv->num_tx;
+
/* Allow the platform setup code to pass in a MAC address. */
if (pdev->dev.platform_data) {
struct ethoc_platform_data *pdata =