netdev - Re: [PATCH net v2] net: phy: marvell10g: fix 88x3310 power up

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]

Date: Wed, 19 Jul 2023 10:13:56 +0100
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Jiawen Wu <jiawenwu@...stnetic.com>
Cc: kabel@...nel.org, andrew@...n.ch, hkallweit1@...il.com,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, netdev@...r.kernel.org
Subject: Re: [PATCH net v2] net: phy: marvell10g: fix 88x3310 power up

On Wed, Jul 19, 2023 at 05:22:33PM +0800, Jiawen Wu wrote:
> Clear MV_V2_PORT_CTRL_PWRDOWN bit to set power up for 88x3310 PHY,
> it sometimes does not take effect immediately. And a read of this
> register causes the bit not to clear. This will cause mv3310_reset()
> to time out, which will fail the config initialization. So add a delay
> before the next access.
> 
> Fixes: c9cc1c815d36 ("net: phy: marvell10g: place in powersave mode at probe")
> Signed-off-by: Jiawen Wu <jiawenwu@...stnetic.com>

Reviewed-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>

Thanks!

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!