linux-kernel - [PATCH net-next v3 5/7] net: phy: aquantia: use phy_read_mmd_poll

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Message-Id: <20200322024834.31402-6-zhengdejin5@gmail.com>
Date:   Sun, 22 Mar 2020 10:48:32 +0800
From:   Dejin Zheng <zhengdejin5@...il.com>
To:     andrew@...n.ch, f.fainelli@...il.com, hkallweit1@...il.com,
        linux@...linux.org.uk, davem@...emloft.net, allison@...utok.net,
        tglx@...utronix.de, gregkh@...uxfoundation.org,
        mchehab+samsung@...nel.org, netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Dejin Zheng <zhengdejin5@...il.com>
Subject: [PATCH net-next v3 5/7] net: phy: aquantia: use phy_read_mmd_poll_timeout() to simplify the code

use phy_read_mmd_poll_timeout() to replace the poll codes for
simplify the code in aqr107_wait_reset_complete() function.

Signed-off-by: Dejin Zheng <zhengdejin5@...il.com>
---
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/aquantia_main.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/net/phy/aquantia_main.c b/drivers/net/phy/aquantia_main.c
index 31927b2c7d5a..db3e20938729 100644
--- a/drivers/net/phy/aquantia_main.c
+++ b/drivers/net/phy/aquantia_main.c
@@ -451,16 +451,11 @@ static int aqr107_set_tunable(struct phy_device *phydev,
  */
 static int aqr107_wait_reset_complete(struct phy_device *phydev)
 {
-	int val, retries = 100;
-
-	do {
-		val = phy_read_mmd(phydev, MDIO_MMD_VEND1, VEND1_GLOBAL_FW_ID);
-		if (val < 0)
-			return val;
-		msleep(20);
-	} while (!val && --retries);
+	int val;
 
-	return val ? 0 : -ETIMEDOUT;
+	return phy_read_mmd_poll_timeout(phydev, MDIO_MMD_VEND1,
+					 VEND1_GLOBAL_FW_ID, val,
+					 val != 0, 20000, 2000000);
 }
 
 static void aqr107_chip_info(struct phy_device *phydev)
-- 
2.25.0