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Subject[PATCH net-next v5 08/10] 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>
---
v4 -> v5:
- it can add msleep before call phy_read_poll_timeout()
to keep the code more similar. so add it.
v3 -> v4:
- drop it.
v2 -> v3:
- adapt to it after modifying the parameter order of the
newly added function
v1 -> v2:
- remove the handle of phy_read()'s return error.


drivers/net/phy/phy_device.c | 17 +++++------------
1 file changed, 5 insertions(+), 12 deletions(-)

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index a585faf8b844..24297ee7f626 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1059,23 +1059,16 @@ 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;

+ msleep(50);
+ ret = phy_read_poll_timeout(phydev, MII_BMCR, val, !(val & BMCR_RESET),
+ 50000, 550000);
/* 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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