diff options
| author | Jean Delvare <khali@linux-fr.org> | 2007-04-01 10:06:33 +0200 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2007-04-30 00:00:30 +0200 |
| commit | 09d7a96f5ad1019386594e2795c1f0229dd43305 (patch) | |
| tree | bc713f7ac6ac56bb4a40ec16b4467946775297a0 /drivers | |
| parent | 70093cfde8af52b0b9030d90f9004cbde38f2ff8 (diff) | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ieee1394/eth1394.c | 71 |
1 files changed, 31 insertions, 40 deletions
diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c index b4fa754bfd1a..f7b47b981fd1 100644 --- a/drivers/ieee1394/eth1394.c +++ b/drivers/ieee1394/eth1394.c @@ -208,38 +208,45 @@ static struct hpsb_highlevel eth1394_highlevel = { }; +static int ether1394_recv_init(struct net_device *dev) +{ + struct eth1394_priv *priv = netdev_priv(dev); + + 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) +static int ether1394_open(struct net_device *dev) { struct eth1394_priv *priv = netdev_priv(dev); - int ret = 0; + 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 @@ static void ether1394_add_host (struct hpsb_host *host) * 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) |