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powerpc/fman/memac: use default MDIO_HOLD value
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@freescale.com>
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@ -29,10 +29,8 @@ int memac_mdio_write(struct mii_dev *bus, int port_addr, int dev_addr,
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c45 = 0; /* clause 22 */
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dev_addr = regnum & 0x1f;
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clrbits_be32(®s->mdio_stat, MDIO_STAT_ENC);
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} else {
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} else
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setbits_be32(®s->mdio_stat, MDIO_STAT_ENC);
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setbits_be32(®s->mdio_stat, MDIO_STAT_HOLD_15_CLK);
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}
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/* Wait till the bus is free */
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while ((in_be32(®s->mdio_stat)) & MDIO_STAT_BSY)
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@ -76,10 +74,8 @@ int memac_mdio_read(struct mii_dev *bus, int port_addr, int dev_addr,
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c45 = 0; /* clause 22 */
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dev_addr = regnum & 0x1f;
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clrbits_be32(®s->mdio_stat, MDIO_STAT_ENC);
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} else {
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} else
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setbits_be32(®s->mdio_stat, MDIO_STAT_ENC);
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setbits_be32(®s->mdio_stat, MDIO_STAT_HOLD_15_CLK);
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}
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/* Wait till the bus is free */
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while ((in_be32(®s->mdio_stat)) & MDIO_STAT_BSY)
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