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authorFrancois Romieu <romieu@fr.zoreil.com>2011-12-30 14:43:54 +0100
committerFrancois Romieu <romieu@fr.zoreil.com>2012-01-07 23:02:37 +0100
commit269f3114b53a3ce93eb5977852ac2624a380f600 (patch)
tree69edc14121322f20696ccf2d0463dbea1cd664e6 /drivers/net/ethernet
parent356b95424cfb456e14a59eaa579422ce014c424b (diff)
via-rhine: factor out tx_thresh handling
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/via/via-rhine.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
index 5c4983b2870a..93987e84be18 100644
--- a/drivers/net/ethernet/via/via-rhine.c
+++ b/drivers/net/ethernet/via/via-rhine.c
@@ -657,6 +657,16 @@ static void rhine_poll(struct net_device *dev)
}
#endif
+static void rhine_kick_tx_threshold(struct rhine_private *rp)
+{
+ if (rp->tx_thresh < 0xe0) {
+ void __iomem *ioaddr = rp->base;
+
+ rp->tx_thresh += 0x20;
+ BYTE_REG_BITS_SET(rp->tx_thresh, 0x80, ioaddr + TxConfig);
+ }
+}
+
static int rhine_napipoll(struct napi_struct *napi, int budget)
{
struct rhine_private *rp = container_of(napi, struct rhine_private, napi);
@@ -1910,8 +1920,7 @@ static void rhine_error(struct net_device *dev, int intr_status)
intr_status);
}
if (intr_status & IntrTxUnderrun) {
- if (rp->tx_thresh < 0xE0)
- BYTE_REG_BITS_SET((rp->tx_thresh += 0x20), 0x80, ioaddr + TxConfig);
+ rhine_kick_tx_threshold(rp);
if (debug > 1)
netdev_info(dev, "Transmitter underrun, Tx threshold now %02x\n",
rp->tx_thresh);
@@ -1923,9 +1932,7 @@ static void rhine_error(struct net_device *dev, int intr_status)
if ((intr_status & IntrTxError) &&
(intr_status & (IntrTxAborted |
IntrTxUnderrun | IntrTxDescRace)) == 0) {
- if (rp->tx_thresh < 0xE0) {
- BYTE_REG_BITS_SET((rp->tx_thresh += 0x20), 0x80, ioaddr + TxConfig);
- }
+ rhine_kick_tx_threshold(rp);
if (debug > 1)
netdev_info(dev, "Unspecified error. Tx threshold now %02x\n",
rp->tx_thresh);