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net: hns: Optimise the code in hns_mdio_wait_ready()

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This patch fixes the code to clear pclint warning/info.

Reported-by: Ping Zhang <zhangping5@huawei.com>
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Reviewed-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kejian Yan 2017-04-01 12:03:44 +01:00 committed by David S. Miller
parent 6961acfa5c
commit d592a4a4b9
1 changed files with 6 additions and 4 deletions
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10
drivers/net/ethernet/hisilicon/hns_mdio.c
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@ -175,18 +175,20 @@ static int mdio_sc_cfg_reg_write(struct hns_mdio_device *mdio_dev,
static int hns_mdio_wait_ready(struct mii_bus *bus)
{
struct hns_mdio_device *mdio_dev = bus->priv;
u32 cmd_reg_value;
int i;
u32 cmd_reg_value = 1;
/* waitting for MDIO_COMMAND_REG 's mdio_start==0 */
/* after that can do read or write*/
for (i = 0; cmd_reg_value; i++) {
for (i = 0; i < MDIO_TIMEOUT; i++) {
cmd_reg_value = MDIO_GET_REG_BIT(mdio_dev,
MDIO_COMMAND_REG,
MDIO_CMD_START_B);
if (i == MDIO_TIMEOUT)
return -ETIMEDOUT;
if (!cmd_reg_value)
break;
}
if ((i == MDIO_TIMEOUT) && cmd_reg_value)
return -ETIMEDOUT;
return 0;
}