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authorLendacky, Thomas <Thomas.Lendacky@amd.com>2014-08-01 16:56:36 (GMT)
committerDavid S. Miller <davem@davemloft.net>2014-08-03 02:29:53 (GMT)
commit1fa1f2e09824abd39fa7e7bffe8769b7b0260b45 (patch)
tree5906971e9fe2ebac9c82004a448800df9def4361
parent8c43a2cc75b3bf4f89ea439f4439a2a61f22c961 (diff)
downloadlinux-1fa1f2e09824abd39fa7e7bffe8769b7b0260b45.tar.xz
amd-xgbe-phy: Allow more time for Rx/Tx to become ready
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>
-rw-r--r--drivers/net/phy/amd-xgbe-phy.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/phy/amd-xgbe-phy.c b/drivers/net/phy/amd-xgbe-phy.c
index 388e302..f3230ee 100644
--- a/drivers/net/phy/amd-xgbe-phy.c
+++ b/drivers/net/phy/amd-xgbe-phy.c
@@ -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);
}