[PATCH net-next v4 9/9] net: phy: tja11xx: use phy_read_poll_timeout() to simplify the code

From: Dejin Zheng
Date: Sun Mar 22 2020 - 02:56:43 EST


use phy_read_poll_timeout() to replace the poll codes for
simplify tja11xx_check() function.

Suggested-by: Andrew Lunn <andrew@xxxxxxx>
Signed-off-by: Dejin Zheng <zhengdejin5@xxxxxxxxx>
---
v3 -> v4:
- add this patch by Andrew's suggestion. Thanks Andrew!

drivers/net/phy/nxp-tja11xx.c | 16 +++-------------
1 file changed, 3 insertions(+), 13 deletions(-)

diff --git a/drivers/net/phy/nxp-tja11xx.c b/drivers/net/phy/nxp-tja11xx.c
index b705d0bd798b..32ef32a4af3c 100644
--- a/drivers/net/phy/nxp-tja11xx.c
+++ b/drivers/net/phy/nxp-tja11xx.c
@@ -72,20 +72,10 @@ static struct tja11xx_phy_stats tja11xx_hw_stats[] = {

static int tja11xx_check(struct phy_device *phydev, u8 reg, u16 mask, u16 set)
{
- int i, ret;
-
- for (i = 0; i < 200; i++) {
- ret = phy_read(phydev, reg);
- if (ret < 0)
- return ret;
-
- if ((ret & mask) == set)
- return 0;
-
- usleep_range(100, 150);
- }
+ int val;

- return -ETIMEDOUT;
+ return phy_read_poll_timeout(phydev, reg, val, (val & mask) == set,
+ 150, 30000);
}

static int phy_modify_check(struct phy_device *phydev, u8 reg,
--
2.25.0