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path: root/drivers/net/ethernet/renesas/ravb_ptp.c
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Diffstat (limited to 'drivers/net/ethernet/renesas/ravb_ptp.c')
-rw-r--r--drivers/net/ethernet/renesas/ravb_ptp.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/net/ethernet/renesas/ravb_ptp.c b/drivers/net/ethernet/renesas/ravb_ptp.c
index dce2a40a31e3..9a42580693cb 100644
--- a/drivers/net/ethernet/renesas/ravb_ptp.c
+++ b/drivers/net/ethernet/renesas/ravb_ptp.c
@@ -196,7 +196,6 @@ static int ravb_ptp_extts(struct ptp_clock_info *ptp,
ravb_write(ndev, GIE_PTCS, GIE);
else
ravb_write(ndev, GID_PTCD, GID);
- mmiowb();
spin_unlock_irqrestore(&priv->lock, flags);
return 0;
@@ -259,7 +258,6 @@ static int ravb_ptp_perout(struct ptp_clock_info *ptp,
else
ravb_write(ndev, GID_PTMD0, GID);
}
- mmiowb();
spin_unlock_irqrestore(&priv->lock, flags);
return error;
@@ -331,7 +329,6 @@ void ravb_ptp_init(struct net_device *ndev, struct platform_device *pdev)
spin_lock_irqsave(&priv->lock, flags);
ravb_wait(ndev, GCCR, GCCR_TCR, GCCR_TCR_NOREQ);
ravb_modify(ndev, GCCR, GCCR_TCSS, GCCR_TCSS_ADJGPTP);
- mmiowb();
spin_unlock_irqrestore(&priv->lock, flags);
priv->ptp.clock = ptp_clock_register(&priv->ptp.info, &pdev->dev);