diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/mv643xx_eth.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 2f6cec4..2d43401 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -251,7 +251,7 @@ struct mv643xx_eth_shared_private { /* * Protects access to SMI_REG, which is shared between ports. */ - spinlock_t phy_lock; + struct mutex phy_lock; /* * Per-port MBUS window access register value. @@ -988,11 +988,10 @@ static void smi_reg_read(struct mv643xx_eth_private *mp, unsigned int addr, unsigned int reg, unsigned int *value) { void __iomem *smi_reg = mp->shared_smi->base + SMI_REG; - unsigned long flags; int i; /* the SMI register is a shared resource */ - spin_lock_irqsave(&mp->shared_smi->phy_lock, flags); + mutex_lock(&mp->shared_smi->phy_lock); /* wait for the SMI register to become available */ for (i = 0; readl(smi_reg) & SMI_BUSY; i++) { @@ -1016,7 +1015,7 @@ static void smi_reg_read(struct mv643xx_eth_private *mp, unsigned int addr, *value = readl(smi_reg) & 0xffff; out: - spin_unlock_irqrestore(&mp->shared_smi->phy_lock, flags); + mutex_unlock(&mp->shared_smi->phy_lock); } static void smi_reg_write(struct mv643xx_eth_private *mp, @@ -1024,11 +1023,10 @@ static void smi_reg_write(struct mv643xx_eth_private *mp, unsigned int reg, unsigned int value) { void __iomem *smi_reg = mp->shared_smi->base + SMI_REG; - unsigned long flags; int i; /* the SMI register is a shared resource */ - spin_lock_irqsave(&mp->shared_smi->phy_lock, flags); + mutex_lock(&mp->shared_smi->phy_lock); /* wait for the SMI register to become available */ for (i = 0; readl(smi_reg) & SMI_BUSY; i++) { @@ -1042,7 +1040,7 @@ static void smi_reg_write(struct mv643xx_eth_private *mp, writel(SMI_OPCODE_WRITE | (reg << 21) | (addr << 16) | (value & 0xffff), smi_reg); out: - spin_unlock_irqrestore(&mp->shared_smi->phy_lock, flags); + mutex_unlock(&mp->shared_smi->phy_lock); } @@ -1161,9 +1159,7 @@ static int mv643xx_eth_get_settings(struct net_device *dev, struct ethtool_cmd * struct mv643xx_eth_private *mp = netdev_priv(dev); int err; - spin_lock_irq(&mp->lock); err = mii_ethtool_gset(&mp->mii, cmd); - spin_unlock_irq(&mp->lock); /* * The MAC does not support 1000baseT_Half. @@ -1211,18 +1207,13 @@ static int mv643xx_eth_get_settings_phyless(struct net_device *dev, struct ethto static int mv643xx_eth_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) { struct mv643xx_eth_private *mp = netdev_priv(dev); - int err; /* * The MAC does not support 1000baseT_Half. */ cmd->advertising &= ~ADVERTISED_1000baseT_Half; - spin_lock_irq(&mp->lock); - err = mii_ethtool_sset(&mp->mii, cmd); - spin_unlock_irq(&mp->lock); - - return err; + return mii_ethtool_sset(&mp->mii, cmd); } static int mv643xx_eth_set_settings_phyless(struct net_device *dev, struct ethtool_cmd *cmd) @@ -2324,7 +2315,7 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev) if (msp->base == NULL) goto out_free; - spin_lock_init(&msp->phy_lock); + mutex_init(&msp->phy_lock); /* * (Re-)program MBUS remapping windows if we are asked to. |