[U-Boot] [PATCH] powerpc/fman/memac: use default MDIO_HOLD value
shh.xie at gmail.com
shh.xie at gmail.com
Tue Apr 22 12:21:37 CEST 2014
From: Shaohui Xie <Shaohui.Xie at freescale.com>
Current driver uses a Maximum value for MDIO_HOLD when doing 10G MDIO
access, this is due to an errata A-006260 on T4 rev1.0 which is fixed
on rev2.0, so remove the maximum value to use the default value for rev2.0.
Signed-off-by: Shaohui Xie <Shaohui.Xie at freescale.com>
---
drivers/net/fm/memac_phy.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/net/fm/memac_phy.c b/drivers/net/fm/memac_phy.c
index 2f4bc11..de9c0e9 100644
--- a/drivers/net/fm/memac_phy.c
+++ b/drivers/net/fm/memac_phy.c
@@ -29,10 +29,8 @@ int memac_mdio_write(struct mii_dev *bus, int port_addr, int dev_addr,
c45 = 0; /* clause 22 */
dev_addr = regnum & 0x1f;
clrbits_be32(®s->mdio_stat, MDIO_STAT_ENC);
- } else {
+ } else
setbits_be32(®s->mdio_stat, MDIO_STAT_ENC);
- setbits_be32(®s->mdio_stat, MDIO_STAT_HOLD_15_CLK);
- }
/* Wait till the bus is free */
while ((in_be32(®s->mdio_stat)) & MDIO_STAT_BSY)
@@ -76,10 +74,8 @@ int memac_mdio_read(struct mii_dev *bus, int port_addr, int dev_addr,
c45 = 0; /* clause 22 */
dev_addr = regnum & 0x1f;
clrbits_be32(®s->mdio_stat, MDIO_STAT_ENC);
- } else {
+ } else
setbits_be32(®s->mdio_stat, MDIO_STAT_ENC);
- setbits_be32(®s->mdio_stat, MDIO_STAT_HOLD_15_CLK);
- }
/* Wait till the bus is free */
while ((in_be32(®s->mdio_stat)) & MDIO_STAT_BSY)
--
1.8.0
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