From d592a4a4b9f2727efd8d7718bb5c9ae0d03614bd Mon Sep 17 00:00:00 2001 From: Kejian Yan Date: Sat, 1 Apr 2017 12:03:44 +0100 Subject: net: hns: Optimise the code in hns_mdio_wait_ready() This patch fixes the code to clear pclint warning/info. Reported-by: Ping Zhang Signed-off-by: Kejian Yan Reviewed-by: Salil Mehta Signed-off-by: Salil Mehta Signed-off-by: David S. Miller --- drivers/net/ethernet/hisilicon/hns_mdio.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'drivers/net/ethernet') diff --git a/drivers/net/ethernet/hisilicon/hns_mdio.c b/drivers/net/ethernet/hisilicon/hns_mdio.c index fad1c5b1b991..e5221d95afe1 100644 --- a/drivers/net/ethernet/hisilicon/hns_mdio.c +++ b/drivers/net/ethernet/hisilicon/hns_mdio.c @@ -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; } -- cgit v1.2.3