From: Dejin Zheng <zhengdejin5@gmail.com>
To: andrew@lunn.ch, f.fainelli@gmail.com, hkallweit1@gmail.com,
linux@armlinux.org.uk, davem@davemloft.net, allison@lohutok.net,
corbet@lwn.net, alexios.zavras@intel.com, broonie@kernel.org,
tglx@linutronix.de, mchehab+samsung@kernel.org,
netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Dejin Zheng <zhengdejin5@gmail.com>
Subject: [PATCH net-next v2 7/7] net: phy: use phy_read_poll_timeout() to simplify the code
Date: Fri, 20 Mar 2020 21:34:31 +0800 [thread overview]
Message-ID: <20200320133431.9354-8-zhengdejin5@gmail.com> (raw)
In-Reply-To: <20200320133431.9354-1-zhengdejin5@gmail.com>
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>
---
v1 -> v2:
- remove the handle of phy_read()'s return error.
drivers/net/phy/phy_device.c | 16 ++++------------
1 file changed, 4 insertions(+), 12 deletions(-)
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index a585faf8b844..0de4f03ba90c 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1059,23 +1059,15 @@ 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 & BMCR_RESET), 50000, 600000,
+ phydev, MII_BMCR);
/* 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
next prev parent reply other threads:[~2020-03-20 13:35 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-20 13:34 [PATCH net-next v2 0/7] introduce read_poll_timeout Dejin Zheng
2020-03-20 13:34 ` [PATCH net-next v2 1/7] iopoll: introduce read_poll_timeout macro Dejin Zheng
2020-03-20 13:34 ` [PATCH net-next v2 2/7] iopoll: redefined readx_poll_timeout macro to simplify the code Dejin Zheng
2020-03-20 13:34 ` [PATCH net-next v2 3/7] net: phy: introduce phy_read_mmd_poll_timeout macro Dejin Zheng
2020-03-21 16:41 ` Andrew Lunn
2020-03-20 13:34 ` [PATCH net-next v2 4/7] net: phy: bcm84881: use phy_read_mmd_poll_timeout() to simplify the code Dejin Zheng
2020-03-20 13:34 ` [PATCH net-next v2 5/7] net: phy: aquantia: " Dejin Zheng
2020-03-20 13:34 ` [PATCH net-next v2 6/7] net: phy: introduce phy_read_poll_timeout macro Dejin Zheng
2020-03-20 13:34 ` Dejin Zheng [this message]
2020-03-21 16:50 ` [PATCH net-next v2 0/7] introduce read_poll_timeout Andrew Lunn
2020-03-22 3:03 ` Dejin Zheng
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