[PATCH 1/2] mvneta: consolidate autoneg enabling

From: Stas Sergeev
Date: Wed Dec 02 2015 - 12:34:44 EST



This moves autoneg-related bit manipulations to the single place.

CC: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>
CC: netdev@xxxxxxxxxxxxxxx
CC: linux-kernel@xxxxxxxxxxxxxxx

Signed-off-by: Stas Sergeev <stsp@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/marvell/mvneta.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index e84c7f2..8e0e6de 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -1065,15 +1065,28 @@ static void mvneta_defaults_set(struct mvneta_port *pp)
MVNETA_GMAC_AN_SPEED_EN |
MVNETA_GMAC_AN_DUPLEX_EN;
mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
+
val = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
val |= MVNETA_GMAC_1MS_CLOCK_ENABLE;
mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, val);
+
+ val = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
+ val |= MVNETA_GMAC2_INBAND_AN_ENABLE;
+ mvreg_write(pp, MVNETA_GMAC_CTRL_2, val);
} else {
val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
val &= ~(MVNETA_GMAC_INBAND_AN_ENABLE |
MVNETA_GMAC_AN_SPEED_EN |
MVNETA_GMAC_AN_DUPLEX_EN);
mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
+
+ val = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
+ val &= ~MVNETA_GMAC_1MS_CLOCK_ENABLE;
+ mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, val);
+
+ val = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
+ val &= ~MVNETA_GMAC2_INBAND_AN_ENABLE;
+ mvreg_write(pp, MVNETA_GMAC_CTRL_2, val);
}

mvneta_set_ucast_table(pp, -1);
@@ -3223,9 +3236,6 @@ static int mvneta_port_power_up(struct mvneta_port *pp, int phy_mode)
return -EINVAL;
}

- if (pp->use_inband_status)
- ctrl |= MVNETA_GMAC2_INBAND_AN_ENABLE;
-
/* Cancel Port Reset */
ctrl &= ~MVNETA_GMAC2_PORT_RESET;
mvreg_write(pp, MVNETA_GMAC_CTRL_2, ctrl);
--
2.4.3
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