ieee1394: eth1394: Move common recv_init code to helper function
There is some common code between ether1394_open and ether1394_add_host
which can be moved to a separate helper function for a slightly smaller
eth1394 driver (-160 bytes on i386.)
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c
index b4fa754..f7b47b9 100644
--- a/drivers/ieee1394/eth1394.c
+++ b/drivers/ieee1394/eth1394.c
@@ -208,38 +208,45 @@
};
-/* This is called after an "ifup" */
-static int ether1394_open (struct net_device *dev)
+static int ether1394_recv_init(struct net_device *dev)
{
struct eth1394_priv *priv = netdev_priv(dev);
- int ret = 0;
+
+ priv->iso = hpsb_iso_recv_init(priv->host,
+ ETHER1394_ISO_BUF_SIZE,
+ ETHER1394_GASP_BUFFERS,
+ priv->broadcast_channel,
+ HPSB_ISO_DMA_PACKET_PER_BUFFER,
+ 1, ether1394_iso);
+ if (priv->iso == NULL) {
+ ETH1394_PRINT(KERN_ERR, dev->name,
+ "Could not allocate isochronous receive "
+ "context for the broadcast channel\n");
+ priv->bc_state = ETHER1394_BC_ERROR;
+ return -EAGAIN;
+ }
+
+ if (hpsb_iso_recv_start(priv->iso, -1, (1 << 3), -1) < 0)
+ priv->bc_state = ETHER1394_BC_STOPPED;
+ else
+ priv->bc_state = ETHER1394_BC_RUNNING;
+ return 0;
+}
+
+/* This is called after an "ifup" */
+static int ether1394_open(struct net_device *dev)
+{
+ struct eth1394_priv *priv = netdev_priv(dev);
+ int ret;
/* Something bad happened, don't even try */
if (priv->bc_state == ETHER1394_BC_ERROR) {
/* we'll try again */
- priv->iso = hpsb_iso_recv_init(priv->host,
- ETHER1394_ISO_BUF_SIZE,
- ETHER1394_GASP_BUFFERS,
- priv->broadcast_channel,
- HPSB_ISO_DMA_PACKET_PER_BUFFER,
- 1, ether1394_iso);
- if (priv->iso == NULL) {
- ETH1394_PRINT(KERN_ERR, dev->name,
- "Could not allocate isochronous receive "
- "context for the broadcast channel\n");
- priv->bc_state = ETHER1394_BC_ERROR;
- ret = -EAGAIN;
- } else {
- if (hpsb_iso_recv_start(priv->iso, -1, (1 << 3), -1) < 0)
- priv->bc_state = ETHER1394_BC_STOPPED;
- else
- priv->bc_state = ETHER1394_BC_RUNNING;
- }
+ ret = ether1394_recv_init(dev);
+ if (ret)
+ return ret;
}
- if (ret)
- return ret;
-
netif_start_queue (dev);
return 0;
}
@@ -628,23 +635,7 @@
* be checked when the eth device is opened. */
priv->broadcast_channel = host->csr.broadcast_channel & 0x3f;
- priv->iso = hpsb_iso_recv_init(host,
- ETHER1394_ISO_BUF_SIZE,
- ETHER1394_GASP_BUFFERS,
- priv->broadcast_channel,
- HPSB_ISO_DMA_PACKET_PER_BUFFER,
- 1, ether1394_iso);
- if (priv->iso == NULL) {
- ETH1394_PRINT(KERN_ERR, dev->name,
- "Could not allocate isochronous receive context "
- "for the broadcast channel\n");
- priv->bc_state = ETHER1394_BC_ERROR;
- } else {
- if (hpsb_iso_recv_start(priv->iso, -1, (1 << 3), -1) < 0)
- priv->bc_state = ETHER1394_BC_STOPPED;
- else
- priv->bc_state = ETHER1394_BC_RUNNING;
- }
+ ether1394_recv_init(dev);
return;
out:
if (dev)