linux-kernel - [PATCH 4.12 095/106] net/mlx5e: Fix wrong delay calculation for overflow check scheduling

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Message-Id: <20170809164530.404274133@linuxfoundation.org>
Date:   Wed,  9 Aug 2017 09:53:19 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Eugenia Emantayev <eugenia@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: [PATCH 4.12 095/106] net/mlx5e: Fix wrong delay calculation for overflow check scheduling

4.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Eugenia Emantayev <eugenia@...lanox.com>


[ Upstream commit d439c84509a510e864fdc6166c760482cd03fc57 ]

The overflow_period is calculated in seconds. In order to use it
for delayed work scheduling translation to jiffies is needed.

Fixes: ef9814deafd0 ('net/mlx5e: Add HW timestamping (TS) support')
Signed-off-by: Eugenia Emantayev <eugenia@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_clock.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
@@ -119,7 +119,8 @@ static void mlx5e_timestamp_overflow(str
 	write_lock_irqsave(&tstamp->lock, flags);
 	timecounter_read(&tstamp->clock);
 	write_unlock_irqrestore(&tstamp->lock, flags);
-	schedule_delayed_work(&tstamp->overflow_work, tstamp->overflow_period);
+	schedule_delayed_work(&tstamp->overflow_work,
+			      msecs_to_jiffies(tstamp->overflow_period * 1000));
 }
 
 int mlx5e_hwstamp_set(struct net_device *dev, struct ifreq *ifr)