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| author | Florian Fainelli <f.fainelli@gmail.com> | 2014-07-02 08:08:36 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-07-08 07:56:47 +0400 |
| commit | 18e21b01fb94d8f6125cf73a477fdb3f88820608 (patch) | |
| tree | 2c741938a11f6c713e10bcc5ad9e38f53ae5c9f5 /drivers/net/ethernet/broadcom/bcmsysport.c | |
| parent | 4710d806fcb825156e0a7b3a81104915c5e90f5d (diff) | |
| download | linux-18e21b01fb94d8f6125cf73a477fdb3f88820608.tar.xz | |
net: systemport: update umac_enable_set to take a bitmask
Quite often we need to enable either the transmitter or the receiver
bits in UMAC_CMD, use umac_enable_set() to do that for us.
This is a preliminary change to introduce suspend/resume support in the
driver.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bcmsysport.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bcmsysport.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 141160ef249a..bbe74494c629 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1236,15 +1236,15 @@ static void bcm_sysport_set_rx_mode(struct net_device *dev) } static inline void umac_enable_set(struct bcm_sysport_priv *priv, - unsigned int enable) + u32 mask, unsigned int enable) { u32 reg; reg = umac_readl(priv, UMAC_CMD); if (enable) - reg |= CMD_RX_EN | CMD_TX_EN; + reg |= mask; else - reg &= ~(CMD_RX_EN | CMD_TX_EN); + reg &= ~mask; umac_writel(priv, reg, UMAC_CMD); /* UniMAC stops on a packet boundary, wait for a full-sized packet @@ -1313,7 +1313,7 @@ static int bcm_sysport_open(struct net_device *dev) topctrl_flush(priv); /* Disable the UniMAC RX/TX */ - umac_enable_set(priv, 0); + umac_enable_set(priv, CMD_RX_EN | CMD_TX_EN, 0); /* Enable RBUF 2bytes alignment and Receive Status Block */ reg = rbuf_readl(priv, RBUF_CONTROL); @@ -1398,7 +1398,7 @@ static int bcm_sysport_open(struct net_device *dev) napi_enable(&priv->napi); /* Turn on UniMAC TX/RX */ - umac_enable_set(priv, 1); + umac_enable_set(priv, CMD_RX_EN | CMD_TX_EN, 1); phy_start(priv->phydev); @@ -1429,7 +1429,6 @@ static int bcm_sysport_stop(struct net_device *dev) { struct bcm_sysport_priv *priv = netdev_priv(dev); unsigned int i; - u32 reg; int ret; /* stop all software from updating hardware */ @@ -1444,9 +1443,7 @@ static int bcm_sysport_stop(struct net_device *dev) intrl2_1_writel(priv, 0xffffffff, INTRL2_CPU_CLEAR); /* Disable UniMAC RX */ - reg = umac_readl(priv, UMAC_CMD); - reg &= ~CMD_RX_EN; - umac_writel(priv, reg, UMAC_CMD); + umac_enable_set(priv, CMD_RX_EN, 0); ret = tdma_enable_set(priv, 0); if (ret) { @@ -1464,9 +1461,7 @@ static int bcm_sysport_stop(struct net_device *dev) } /* Disable UniMAC TX */ - reg = umac_readl(priv, UMAC_CMD); - reg &= ~CMD_TX_EN; - umac_writel(priv, reg, UMAC_CMD); + umac_enable_set(priv, CMD_TX_EN, 0); /* Free RX/TX rings SW structures */ for (i = 0; i < dev->num_tx_queues; i++) |