Messages in this thread | | | Date | Sat, 30 Jun 2007 07:44:59 -0700 | From | Arjan van de Ven <> | Subject | Re: [PATCH] b44: power down PHY when interface down |
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Matthew Garrett wrote: > On Sat, Jun 30, 2007 at 02:47:35PM +0300, Török Edvin wrote: >> When the interface is down (or driver removed), the BroadCom 44xx card >> remains >> powered on, and both its MAC and PHY is using up power. >> This patch makes the driver issue a MAC_CTRL_PHY_PDOWN when the interface >> is halted, and does a partial chip reset turns off the activity LEDs too. > > Do you still get link beat detection when the phy is powered down? > does that matter? If the interface is down, nic drivers aren't expected to detect link... if userspace wants to find link status it should have the interface up. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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