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From: David Miller <davem@davemloft.net>
To: jeffrey.t.kirsher@intel.com
Cc: netdev@vger.kernel.org, gospo@redhat.com,
	mallikarjuna.chilakala@intel.com,
	peter.p.waskiewicz.jr@intel.com
Subject: Re: [net-2.6 PATCH 3/3] Fix 82598 premature copper PHY link indicatation
Date: Sun, 13 Dec 2009 19:18:58 -0800 (PST)	[thread overview]
Message-ID: <20091213.191858.71104129.davem@davemloft.net> (raw)
In-Reply-To: <20091212075200.10952.13217.stgit@localhost.localdomain>

From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Fri, 11 Dec 2009 23:52:01 -0800

> +	for (timeout = 0;
> +	     timeout < IXGBE_VALIDATE_LINK_READY_TIMEOUT; timeout++) {
> +		hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN, &an_reg);
> +
> +		if ((an_reg & MDIO_AN_STAT1_COMPLETE) &&
> +		    (an_reg & MDIO_STAT1_LSTATUS))
> +			break;
> +
> +		mdelay(100);
> +	}

An up to 5000 msec non-preemptable spin loop.

If this used "msleep()" that would make it OK.

But as it is, sorry, no way.

  reply	other threads:[~2009-12-14  3:18 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-12  7:51 [net-2.6 PATCH 1/3] ixgbe: Fix compiler warning about variable being used uninitialized Jeff Kirsher
2009-12-12  7:51 ` [net-2.6 PATCH 2/3] ixgbe: Fix tx_restart_queue/non_eop_desc statistics counters Jeff Kirsher
2009-12-14  3:18   ` David Miller
2009-12-14  4:57     ` Peter P Waskiewicz Jr
2009-12-14  5:07       ` David Miller
2009-12-12  7:52 ` [net-2.6 PATCH 3/3] Fix 82598 premature copper PHY link indicatation Jeff Kirsher
2009-12-14  3:18   ` David Miller [this message]
2009-12-14 18:37     ` Malli
2009-12-14  3:20 ` [net-2.6 PATCH 1/3] ixgbe: Fix compiler warning about variable being used uninitialized David Miller
2009-12-14  4:55   ` Peter P Waskiewicz Jr

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