mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-28 15:20:41 +00:00
Code Issues Releases Wiki Activity

amd-xgbe-phy: Allow more time for Rx/Tx to become ready

Browse source 
The current time range waiting for Rx/Tx to become ready can sometimes
be too short if a connection is not present.  Increase the number of
retries and the sleep to give a bit more time. Also, change level of
the message issued from _err to _dbg if Rx/Tx do not become ready
since the underlying logic will function as if no link is established
and retry eventually.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lendacky, Thomas 2014-08-01 11:56:36 -05:00 committed by David S. Miller
parent 8c43a2cc75
commit 1fa1f2e098
1 changed files with 3 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/net/phy/amd-xgbe-phy.c
View file

@ -95,7 +95,7 @@ MODULE_DESCRIPTION("AMD 10GbE (amd-xgbe) PHY driver");
#define XNP_MP_FORMATTED (1 << 13)
#define XNP_NP_EXCHANGE (1 << 15)
#define XGBE_PHY_RATECHANGE_COUNT 100
#define XGBE_PHY_RATECHANGE_COUNT 500
#ifndef MDIO_PMA_10GBR_PMD_CTRL
#define MDIO_PMA_10GBR_PMD_CTRL 0x0096
@ -411,7 +411,7 @@ static void amd_xgbe_phy_serdes_complete_ratechange(struct phy_device *phydev)
/* Wait for Rx and Tx ready */
wait = XGBE_PHY_RATECHANGE_COUNT;
while (wait--) {
usleep_range(10, 20);
usleep_range(50, 75);
status = XSIR0_IOREAD(priv, SIR0_STATUS);
if (XSIR_GET_BITS(status, SIR0_STATUS, RX_READY) &&
@ -419,7 +419,7 @@ static void amd_xgbe_phy_serdes_complete_ratechange(struct phy_device *phydev)
return;
}
netdev_err(phydev->attached_dev, "SerDes rx/tx not ready (%#hx)\n",
netdev_dbg(phydev->attached_dev, "SerDes rx/tx not ready (%#hx)\n",
status);
}