netdev - RE: [PATCH net] r8169: check ALDPS bit and disable it if enabled for the 8168g

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Date:	Thu, 28 Nov 2013 11:37:18 +0800
From:	hayeswang <hayeswang@...ltek.com>
To:	'David Chang' <dchang@...e.com>, <netdev@...r.kernel.org>
CC:	"'David S. Miller'" <davem@...emloft.net>,
	'Francois Romieu' <romieu@...zoreil.com>, <jlee@...e.com>,
	'nic_swsd' <nic_swsd@...ltek.com>
Subject: RE: [PATCH net] r8169: check ALDPS bit and disable it if enabled for the 8168g

 David Chang [mailto:dchang@...e.com] 
> Sent: Wednesday, November 27, 2013 3:49 PM
> To: netdev@...r.kernel.org
> Cc: David S. Miller; Francois Romieu; Hayeswang; jlee@...e.com
> Subject: [PATCH net] r8169: check ALDPS bit and disable it if 
> enabled for the 8168g
> 
[...]
> +	/* Check ALDPS bit, disable it if enabled */
> +	rtl_writephy(tp, 0x1f, 0x0a43);
> +	if (rtl_readphy(tp, 0x10) & 0x0004)
> +		rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0004);
> +

You have to delay at least 10 ms after disable it.
This makes sure the hw completes the action.
 
Best Regards,
Hayes

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