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net: stmmac: ptp: stmmac_enable(): move change of plat->flags into mutex

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This is a preparation patch. The next patch will check if an external TS
is active and return with an error. So we have to move the change of the
plat->flags that tracks if external timestamping is enabled after that
check.

Prepare for this change and move the plat->flags change into the mutex
and the if (on).

Signed-off-by: Johannes Zink <j.zink@pengutronix.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Johannes Zink 2023-10-18 09:09:56 +02:00 committed by Paolo Abeni
parent 1dbfe73bd6
commit 7d30774825
1 changed files with 4 additions and 4 deletions
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8
drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
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@ -192,17 +192,17 @@ static int stmmac_enable(struct ptp_clock_info *ptp,
write_unlock_irqrestore(&priv->ptp_lock, flags);
break;
case PTP_CLK_REQ_EXTTS:
if (on)
priv->plat->flags |= STMMAC_FLAG_EXT_SNAPSHOT_EN;
else
priv->plat->flags &= ~STMMAC_FLAG_EXT_SNAPSHOT_EN;
mutex_lock(&priv->aux_ts_lock);
acr_value = readl(ptpaddr + PTP_ACR);
acr_value &= ~PTP_ACR_MASK;
if (on) {
priv->plat->flags |= STMMAC_FLAG_EXT_SNAPSHOT_EN;
/* Enable External snapshot trigger */
acr_value |= PTP_ACR_ATSEN(rq->extts.index);
acr_value |= PTP_ACR_ATSFC;
} else {
priv->plat->flags &= ~STMMAC_FLAG_EXT_SNAPSHOT_EN;
}
netdev_dbg(priv->dev, "Auxiliary Snapshot %d %s.\n",
rq->extts.index, on ? "enabled" : "disabled");