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Revert "net: ethernet: fec: Prevent MII event after MII_SPEED write"

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This reverts commit 790ab249b5.

This change needs more work.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2020-04-29 12:15:42 -07:00
parent 0477e032a9
commit 21615efa6a
1 changed files with 0 additions and 17 deletions
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17
drivers/net/ethernet/freescale/fec_main.c
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@@ -996,9 +996,6 @@ fec_restart(struct net_device *ndev)
writel(0x0, fep->hwp + FEC_X_CNTRL);
}
/* Prevent an MII event being report when changing speed */
writel(0, fep->hwp + FEC_MII_DATA);
/* Set MII speed */
writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED);
@@ -1185,10 +1182,6 @@ fec_stop(struct net_device *ndev)
writel(val, fep->hwp + FEC_ECNTRL);
fec_enet_stop_mode(fep, true);
}
/* Prevent an MII event being report when changing speed */
writel(0, fep->hwp + FEC_MII_DATA);
writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED);
/* We have to keep ENET enabled to have MII interrupt stay working */
@@ -2149,16 +2142,6 @@ static int fec_enet_mii_init(struct platform_device *pdev)
if (suppress_preamble)
fep->phy_speed |= BIT(7);
/* Clear MMFR to avoid to generate MII event by writing MSCR.
* MII event generation condition:
* - writing MSCR:
* - mmfr[31:0]_not_zero & mscr[7:0]_is_zero &
* mscr_reg_data_in[7:0] != 0
* - writing MMFR:
* - mscr[7:0]_not_zero
*/
writel(0, fep->hwp + FEC_MII_DATA);
writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED);
/* Clear any pending transaction complete indication */