netdev - Re: [PATCH RFC] mlx4_en: Add PTP hardware clock

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Message-ID: <CAJZOPZJF=uZWGeC_NMw4u+D6YxkmzNNwRQJ24whvvtNshxkx2Q@mail.gmail.com>
Date:	Wed, 11 Dec 2013 22:47:51 +0200
From:	Or Gerlitz <or.gerlitz@...il.com>
To:	Shawn Bohrer <shawn.bohrer@...il.com>
Cc:	Or Gerlitz <ogerlitz@...lanox.com>,
	Amir Vadai <amirv@...lanox.com>,
	Richard Cochran <richardcochran@...il.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	tomk@...advisors.com, Shawn Bohrer <sbohrer@...advisors.com>
Subject: Re: [PATCH RFC] mlx4_en: Add PTP hardware clock

On Wed, Dec 11, 2013 Shawn Bohrer <shawn.bohrer@...il.com> wrote:

> @@ -264,10 +267,6 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
>         mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH)
>                 mdev->port_cnt++;
>
> -       /* Initialize time stamp mechanism */
> -       if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
> -               mlx4_en_init_timestamp(mdev);
> -
>         mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) {
>                 if (!dev->caps.comp_pool) {
>                         mdev->profile.prof[i].rx_ring_num =
> @@ -305,6 +304,10 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
>                         mdev->pndev[i] = NULL;
>         }
>
> +       /* Initialize time stamp mechanism */
> +       if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
> +               mlx4_en_init_timestamp(mdev);
> +
>         return mdev;

so you are reverting here commit 1ec4864b1017 "net/mlx4_en: Fixed
crash when port type is changed" -- why?
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