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Subject[PATCH net-next v4 4/9] net: phy: bcm84881: use phy_read_mmd_poll_timeout() to simplify the code
Date
use phy_read_mmd_poll_timeout() to replace the poll codes for
simplify bcm84881_wait_init() function.

Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
---
v3 -> v4:
- no changed
v2 -> v3:
- adapt to it after modifying the parameter order of the
newly added function
v1 -> v2:
- remove the handle of phy_read_mmd's return error.

drivers/net/phy/bcm84881.c | 27 ++++-----------------------
1 file changed, 4 insertions(+), 23 deletions(-)

diff --git a/drivers/net/phy/bcm84881.c b/drivers/net/phy/bcm84881.c
index 14d55a77eb28..b70be775909c 100644
--- a/drivers/net/phy/bcm84881.c
+++ b/drivers/net/phy/bcm84881.c
@@ -22,30 +22,11 @@ enum {

static int bcm84881_wait_init(struct phy_device *phydev)
{
- unsigned int tries = 20;
- int ret, val;
-
- do {
- val = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_CTRL1);
- if (val < 0) {
- ret = val;
- break;
- }
- if (!(val & MDIO_CTRL1_RESET)) {
- ret = 0;
- break;
- }
- if (!--tries) {
- ret = -ETIMEDOUT;
- break;
- }
- msleep(100);
- } while (1);
+ int val;

- if (ret)
- phydev_err(phydev, "%s failed: %d\n", __func__, ret);
-
- return ret;
+ return phy_read_mmd_poll_timeout(phydev, MDIO_MMD_PMAPMD, MDIO_CTRL1,
+ val, !(val & MDIO_CTRL1_RESET),
+ 100000, 2000000);
}

static int bcm84881_config_init(struct phy_device *phydev)
--
2.25.0
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