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| author | Lennert Buytenhek <buytenh@wantstofly.org> | 2008-06-01 21:59:27 +0200 |
|---|---|---|
| committer | Lennert Buytenhek <buytenh@wantstofly.org> | 2008-06-12 08:40:35 +0200 |
| commit | ffd86bbe1c744a25efad5bddd08f1c5b1dbcd9ac (patch) | |
| tree | f8d9d11fcee4626f5aca95d45dc29bbeb5441b21 /drivers/net | |
| parent | 13d6428538feaefa6c796f76b9918de165ae69f8 (diff) | |
| download | blackbird-op-linux-ffd86bbe1c744a25efad5bddd08f1c5b1dbcd9ac.tar.gz blackbird-op-linux-ffd86bbe1c744a25efad5bddd08f1c5b1dbcd9ac.zip | |
mv643xx_eth: remove write-only interrupt coalescing variables
Remove the write-only ->[rt]x_int_coal members from struct
mv643xx_eth_private. In the process, tweak the RX/TX interrupt
mitigation code so that it is compiled by default, and set the
default coalescing delays to 0 usec.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Acked-by: Dale Farnsworth <dale@farnsworth.org>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/mv643xx_eth.c | 29 |
1 files changed, 4 insertions, 25 deletions
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 2ef71c48ef47..ff6460124307 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -60,12 +60,6 @@ static char mv643xx_eth_driver_version[] = "1.0"; #define MV643XX_ETH_CHECKSUM_OFFLOAD_TX #define MV643XX_ETH_NAPI #define MV643XX_ETH_TX_FAST_REFILL -#undef MV643XX_ETH_COAL - -#define MV643XX_ETH_TX_COAL 100 -#ifdef MV643XX_ETH_COAL -#define MV643XX_ETH_RX_COAL 100 -#endif #ifdef MV643XX_ETH_CHECKSUM_OFFLOAD_TX #define MAX_DESCS_PER_SKB (MAX_SKB_FRAGS + 1) @@ -322,8 +316,6 @@ struct mv643xx_eth_private { struct mib_counters mib_counters; spinlock_t lock; - u32 rx_int_coal; - u32 tx_int_coal; struct mii_if_info mii; /* @@ -1681,9 +1673,7 @@ static void port_start(struct net_device *dev) } } -#ifdef MV643XX_ETH_COAL -static unsigned int set_rx_coal(struct mv643xx_eth_private *mp, - unsigned int delay) +static void set_rx_coal(struct mv643xx_eth_private *mp, unsigned int delay) { unsigned int port_num = mp->port_num; unsigned int coal = ((mp->shared->t_clk / 1000000) * delay) / 64; @@ -1693,20 +1683,14 @@ static unsigned int set_rx_coal(struct mv643xx_eth_private *mp, ((coal & 0x3fff) << 8) | (rdl(mp, SDMA_CONFIG(port_num)) & 0xffc000ff)); - - return coal; } -#endif -static unsigned int set_tx_coal(struct mv643xx_eth_private *mp, - unsigned int delay) +static void set_tx_coal(struct mv643xx_eth_private *mp, unsigned int delay) { unsigned int coal = ((mp->shared->t_clk / 1000000) * delay) / 64; /* Set TX Coalescing mechanism */ wrl(mp, TX_FIFO_URGENT_THRESHOLD(mp->port_num), coal << 4); - - return coal; } static void port_init(struct mv643xx_eth_private *mp) @@ -1752,13 +1736,8 @@ static int mv643xx_eth_open(struct net_device *dev) port_start(dev); - /* Interrupt Coalescing */ - -#ifdef MV643XX_ETH_COAL - mp->rx_int_coal = set_rx_coal(mp, MV643XX_ETH_RX_COAL); -#endif - - mp->tx_int_coal = set_tx_coal(mp, MV643XX_ETH_TX_COAL); + set_rx_coal(mp, 0); + set_tx_coal(mp, 0); /* Unmask phy and link status changes interrupts */ wrl(mp, INT_MASK_EXT(port_num), INT_EXT_LINK | INT_EXT_PHY | INT_EXT_TX); |
