netdev - Re: [PATCH net-next v2] tg3: move init/deinit from open/close to probe/remove

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Date:	Thu, 8 Jan 2015 12:56:19 -0800
From:	Prashant Sreedharan <prashant@...adcom.com>
To:	Ivan Vecera <ivecera@...hat.com>
CC:	<netdev@...r.kernel.org>, <mchan@...adcom.com>
Subject: Re: [PATCH net-next v2] tg3: move init/deinit from open/close to
 probe/remove

On Thu, 2015-01-08 at 16:13 +0100, Ivan Vecera wrote:
> Move init and deinit of PTP support from open/close functions
> to probe/remove funcs to avoid removing/re-adding of associated PTP
> device(s) during ifup/ifdown.
> 
> v2: tg3_ptp_init call moved to correct place (thx. Prashant)
> 
> Signed-off-by: Ivan Vecera <ivecera@...hat.com>
> ---
>  drivers/net/ethernet/broadcom/tg3.c | 25 +++++++++++--------------
>  1 file changed, 11 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
> index 553dcd8..356bd5b 100644
> --- a/drivers/net/ethernet/broadcom/tg3.c
> +++ b/drivers/net/ethernet/broadcom/tg3.c
> @@ -11556,11 +11556,7 @@ static int tg3_start(struct tg3 *tp, bool reset_phy, bool test_irq,
>  	tg3_flag_set(tp, INIT_COMPLETE);
>  	tg3_enable_ints(tp);
>  
> -	if (init)
> -		tg3_ptp_init(tp);
> -	else
> -		tg3_ptp_resume(tp);
> -
> +	tg3_ptp_resume(tp);
>  
>  	tg3_full_unlock(tp);
>  
> @@ -11681,13 +11677,6 @@ static int tg3_open(struct net_device *dev)
>  		pci_set_power_state(tp->pdev, PCI_D3hot);
>  	}
>  
> -	if (tg3_flag(tp, PTP_CAPABLE)) {
> -		tp->ptp_clock = ptp_clock_register(&tp->ptp_info,
> -						   &tp->pdev->dev);
> -		if (IS_ERR(tp->ptp_clock))
> -			tp->ptp_clock = NULL;
> -	}
> -
>  	return err;
>  }
>  
> @@ -11701,8 +11690,6 @@ static int tg3_close(struct net_device *dev)
>  		return -EAGAIN;
>  	}
>  
> -	tg3_ptp_fini(tp);
> -
>  	tg3_stop(tp);
>  
>  	/* Clear stats across close / open calls */
> @@ -17880,6 +17867,14 @@ static int tg3_init_one(struct pci_dev *pdev,
>  		goto err_out_apeunmap;
>  	}
>  
> +	if (tg3_flag(tp, PTP_CAPABLE)) {
> +		tg3_ptp_init(tp);
> +		tp->ptp_clock = ptp_clock_register(&tp->ptp_info,
> +						   &tp->pdev->dev);
> +		if (IS_ERR(tp->ptp_clock))
> +			tp->ptp_clock = NULL;
> +	}
> +
>  	netdev_info(dev, "Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
>  		    tp->board_part_number,
>  		    tg3_chip_rev_id(tp),
> @@ -17955,6 +17950,8 @@ static void tg3_remove_one(struct pci_dev *pdev)
>  	if (dev) {
>  		struct tg3 *tp = netdev_priv(dev);
>  
> +		tg3_ptp_fini(tp);
> +
>  		release_firmware(tp->fw);
>  
>  		tg3_reset_task_cancel(tp);

Acked-by: Prashant Sreedharan <prashant@...adcom.com>

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