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Subject[PATCH net-next 7/7] net: phy: use phy_read_poll_timeout() to simplify the code
Date
use phy_read_poll_timeout() to replace the poll codes for
simplify the code in phy_poll_reset() function.

Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
---
drivers/net/phy/phy_device.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index a585faf8b844..bdef427593c9 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1059,23 +1059,17 @@ EXPORT_SYMBOL(phy_disconnect);
static int phy_poll_reset(struct phy_device *phydev)
{
/* Poll until the reset bit clears (50ms per retry == 0.6 sec) */
- unsigned int retries = 12;
- int ret;
-
- do {
- msleep(50);
- ret = phy_read(phydev, MII_BMCR);
- if (ret < 0)
- return ret;
- } while (ret & BMCR_RESET && --retries);
- if (ret & BMCR_RESET)
- return -ETIMEDOUT;
+ int ret, val;

+ ret = phy_read_poll_timeout(val, val < 0 || !(val & BMCR_RESET),
+ 50000, 600000, phydev, MII_BMCR);
+ if (val < 0)
+ ret = val;
/* Some chips (smsc911x) may still need up to another 1ms after the
* BMCR_RESET bit is cleared before they are usable.
*/
msleep(1);
- return 0;
+ return ret;
}

int phy_init_hw(struct phy_device *phydev)
--
2.25.0
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