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-rw-r--r--drivers/net/mv643xx_eth.c23
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 2f6cec4e8499..2d434017a670 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.