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From: Richard Cochran <richardcochran@gmail.com>
To: Jonathan Lemon <jonathan.lemon@gmail.com>
Cc: f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com,
	andrew@lunn.ch, hkallweit1@gmail.com, linux@armlinux.org.uk,
	netdev@vger.kernel.org, kernel-team@fb.com
Subject: Re: [PATCH net-next v1 1/4] net: phy: broadcom: Add PTP support for some Broadcom PHYs.
Date: Wed, 27 Apr 2022 07:40:25 -0700	[thread overview]
Message-ID: <20220427144025.GA23991@hoboy.vegasvil.org> (raw)
In-Reply-To: <20220424022356.587949-2-jonathan.lemon@gmail.com>

On Sat, Apr 23, 2022 at 07:23:53PM -0700, Jonathan Lemon wrote:

> +static int bcm_ptp_adjtime_locked(struct bcm_ptp_private *priv,
> +				  s64 delta_ns)
> +{
> +	struct timespec64 ts;
> +	int err;
> +
> +	err = bcm_ptp_gettime_locked(priv, &ts, NULL);
> +	if (!err) {
> +		timespec64_add_ns(&ts, delta_ns);

When delta_ns is negative, this takes a long time to complete.

> +		err = bcm_ptp_settime_locked(priv, &ts);
> +	}
> +	return err;
> +}

Thanks,
Richard

  parent reply	other threads:[~2022-04-27 14:40 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-24  2:23 [PATCH net-next v1 0/4] Broadcom PTP PHY support Jonathan Lemon
2022-04-24  2:23 ` [PATCH net-next v1 1/4] net: phy: broadcom: Add PTP support for some Broadcom PHYs Jonathan Lemon
2022-04-24 23:27   ` Florian Fainelli
2022-04-25 23:53     ` Jonathan Lemon
2022-04-25  1:19   ` Richard Cochran
2022-04-25 23:30     ` Jonathan Lemon
2022-04-26  2:49       ` Richard Cochran
2022-04-26  3:02         ` Richard Cochran
2022-04-25  1:38   ` Richard Cochran
2022-04-25 23:55     ` Jonathan Lemon
2022-04-26  2:53       ` Richard Cochran
2022-04-26 18:02         ` Florian Fainelli
2022-04-25  3:12   ` Richard Cochran
2022-04-25 23:47     ` Jonathan Lemon
2022-04-27 14:40   ` Richard Cochran [this message]
2022-04-28  5:02     ` Jonathan Lemon
2022-04-24  2:23 ` [PATCH net-next v1 2/4] net: phy: broadcom: Add Broadcom PTP hooks to bcm-phy-lib Jonathan Lemon
2022-04-24 23:35   ` Florian Fainelli
2022-04-24  2:23 ` [PATCH net-next v1 3/4] net: phy: broadcom: Hook up the PTP PHY functions Jonathan Lemon
2022-04-24 23:29   ` Florian Fainelli
2022-04-24  2:23 ` [PATCH net-next v1 4/4] net: phy: Kconfig: Add broadcom PTP PHY library Jonathan Lemon
2022-04-24 23:29   ` Florian Fainelli
2022-04-25  1:01 ` [PATCH net-next v1 0/4] Broadcom PTP PHY support Richard Cochran

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