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Date: Thu, 29 Oct 2009 22:54:21 -0700 (PDT) From: David Miller <davem@...emloft.net> To: jeffrey.t.kirsher@...el.com Cc: netdev@...r.kernel.org, gospo@...hat.com, bernhard.kaindl@....net, bruce.w.allan@...el.com Subject: Re: [net-2.6 PATCH] e100: e100_phy_init() isolates selected PHY, causes 10 second boot delay From: Jeff Kirsher <jeffrey.t.kirsher@...el.com> Date: Thu, 29 Oct 2009 16:42:41 -0700 > From: Bruce Allan <bruce.w.allan@...el.com> > > A change in how PHYs are electrically isolated caused all PHYs to be > isolated followed by reverting that isolation for the selected PHY. > Unfortunately, isolating the selected PHY for even a short period of > time can result in DHCP negotiation taking more than 10 seconds on certain > embedded configurations delaying boot time as reported by Bernhard Kaindl. > This patch reverts the change to how PHYs are isolated yet still works > around the issue for 82552 needing the selected PHY's BMCR register to > be written after the unused PHYs are isolated. This code is moved below > the setting of nic->phy ID in order to do the 82552-specific workaround. > > Cc: Bernhard Kaindl <bernhard.kaindl@....net> > Signed-off-by: Bruce Allan <bruce.w.allan@...el.com> > Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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