netdev - Re: [PATCH V2 net-next 3/4] ptp: link the phc device to its parent device

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Date:	Sat, 22 Sep 2012 16:40:52 +0100
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Richard Cochran <richardcochran@...il.com>
CC:	<netdev@...r.kernel.org>, David Miller <davem@...emloft.net>,
	Jacob Keller <jacob.e.keller@...el.com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	John Stultz <john.stultz@...aro.org>,
	Matthew Vick <matthew.vick@...el.com>
Subject: Re: [PATCH V2 net-next 3/4] ptp: link the phc device to its parent
 device

On Sat, 2012-09-22 at 09:42 +0200, Richard Cochran wrote:
> PTP Hardware Clock devices appear as class devices in sysfs. This patch
> changes the registration API to use the parent device, clarifying the
> clock's relationship to the underlying device.
[...]
> --- a/drivers/net/ethernet/sfc/ptp.c
> +++ b/drivers/net/ethernet/sfc/ptp.c
> @@ -931,7 +931,8 @@ static int efx_ptp_probe_channel(struct efx_channel *channel)
>  	ptp->phc_clock_info.settime = efx_phc_settime;
>  	ptp->phc_clock_info.enable = efx_phc_enable;
>  
> -	ptp->phc_clock = ptp_clock_register(&ptp->phc_clock_info);
> +	ptp->phc_clock = ptp_clock_register(&ptp->phc_clock_info,
> +					    &channel->napi_dev->dev);
[...]

channel->napi_dev is the net device, not the PCI device.  The parent
device should be &efx->pci_dev->dev.

Ben.

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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