linux-kernel - Re: [PATCH] b44: power down PHY when interface down

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20070630120541.GA21339@srcf.ucam.org>
Date:	Sat, 30 Jun 2007 13:05:42 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Török Edvin <edwintorok@...il.com>
Cc:	zambrano@...adcom.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, power@...host.org
Subject: Re: [PATCH] b44: power down PHY when interface down

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?

-- 
Matthew Garrett | mjg59@...f.ucam.org
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/