rtl8366_smi: minor code optimalizations

SVN-Revision: 19247

diff --git a/target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c b/target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c
index 6b909b564c378ddc395f9f623076d264af7f8da5..a50366a3315bd7990b97683e1c33fed901d39ed9 100644 (file)
--- a/target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c
+++ b/target/linux/ar71xx/files/drivers/net/phy/rtl8366_smi.c
@@ -553,13 +553,10 @@ static int rtl8366_get_mib_counter(struct rtl8366_smi *smi, int counter,
        if (port > RTL8366_NUM_PORTS || counter >= RTL8366S_MIB_COUNT)
                return -EINVAL;
 
-       i = 0;
        regoffset = RTL8366S_MIB_COUNTER_PORT_OFFSET * (port);
 
-       while (i < counter) {
+       for (i = 0; i < counter; i++)
                regoffset += mibLength[i];
-               i++;
-       }
 
        addr = RTL8366S_MIB_COUNTER_BASE + regoffset;
 
@@ -833,7 +830,7 @@ static int rtl8366_set_port_vlan_index(struct rtl8366_smi *smi, int port,
        if (err)
                return err;
 
-       vlan_data &= ~(vlan_data & bits);
+       vlan_data &= ~bits;
        vlan_data |= data;
 
        err = rtl8366_smi_write_reg(smi, addr, vlan_data);
@@ -918,9 +915,10 @@ static int rtl8366_vlan_set_vlan(struct rtl8366_smi *smi, int enable)
 
        rtl8366_smi_read_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, &data);
 
-       data &= ~(data & RTL8366_CHIP_CTRL_VLAN);
        if (enable)
                data |= RTL8366_CHIP_CTRL_VLAN;
+       else
+               data &= ~RTL8366_CHIP_CTRL_VLAN;
 
        return rtl8366_smi_write_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, data);
 }
@@ -931,9 +929,10 @@ static int rtl8366_vlan_set_4ktable(struct rtl8366_smi *smi, int enable)
 
        rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TB_CTRL_REG, &data);
 
-       data &= ~(data & 1);
        if (enable)
                data |= 1;
+       else
+               data &= ~1;
 
        return rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TB_CTRL_REG, data);
 }
@@ -1274,7 +1273,7 @@ static int rtl8366_global_set_blinkrate(struct switch_dev *dev,
 
        rtl8366_smi_read_reg(smi, RTL8366_LED_BLINKRATE_REG, &data);
 
-       data &= ~(data & RTL8366_LED_BLINKRATE_MASK);
+       data &= ~RTL8366_LED_BLINKRATE_MASK;
        data |= val->value.i;
 
        rtl8366_smi_write_reg(smi, RTL8366_LED_BLINKRATE_REG, data);