netdev - Re: [PATCH 7/7] gianfar: add support for wake-on-packet

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Message-ID: <4EB4558A.8070105@freescale.com>
Date:	Fri, 4 Nov 2011 16:13:46 -0500
From:	Scott Wood <scottwood@...escale.com>
To:	Zhao Chenhui <chenhui.zhao@...escale.com>
CC:	<netdev@...r.kernel.org>, <linuxppc-dev@...ts.ozlabs.org>,
	<afleming@...escale.com>
Subject: Re: [PATCH 7/7] gianfar: add support for wake-on-packet

On 11/04/2011 04:11 PM, Scott Wood wrote:
> On 11/04/2011 07:40 AM, Zhao Chenhui wrote:
>>  static int gfar_suspend(struct device *dev)
>>  {
>> @@ -1268,9 +1443,17 @@ static int gfar_suspend(struct device *dev)
>>  	struct gfar __iomem *regs = priv->gfargrp[0].regs;
>>  	unsigned long flags;
>>  	u32 tempval;
>> -
>>  	int magic_packet = priv->wol_en &&
>> -		(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
>> +		(priv->wol_opts & GIANFAR_WOL_MAGIC);
>> +	int arp_packet = priv->wol_en &&
>> +		(priv->wol_opts & GIANFAR_WOL_ARP);
>> +
>> +	if (arp_packet) {
>> +		pmc_enable_wake(priv->ofdev, PM_SUSPEND_MEM, 1);
>> +		pmc_enable_lossless(1);
>> +		gfar_arp_suspend(ndev);
>> +		return 0;
>> +	}
> 
> How do we know this isn't standby?

Or suspend to disk, for that matter?

-Scott

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