linux-kernel - Re: [PATCH net 2/3] net: phy: micrel: Remove latency from driver

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: <YkcFYb1SInTCDjIh@lunn.ch>
Date:   Fri, 1 Apr 2022 16:00:01 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Horatiu Vultur <horatiu.vultur@...rochip.com>
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, hkallweit1@...il.com,
        linux@...linux.org.uk, Divya.Koppera@...rochip.com,
        davem@...emloft.net, kuba@...nel.org, richardcochran@...il.com,
        UNGLinuxDriver@...rochip.com
Subject: Re: [PATCH net 2/3] net: phy: micrel: Remove latency from driver

On Fri, Apr 01, 2022 at 03:34:54PM +0200, Horatiu Vultur wrote:
> The 04/01/2022 14:47, Andrew Lunn wrote:
> > 
> > On Fri, Apr 01, 2022 at 11:48:04AM +0200, Horatiu Vultur wrote:
> > > Based on the discussions here[1], the PHY driver is the wrong place
> > > to set the latencies, therefore remove them.
> > >
> > > [1] https://lkml.org/lkml/2022/3/4/325
> > >
> > > Fixes: ece19502834d84 ("net: phy: micrel: 1588 support for LAN8814 phy")
> > > Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
> > 
> > Thanks for the revert.
> > 
> > Reviewed-by: Andrew Lunn <andrew@...n.ch>
> > 
> > > -static struct kszphy_latencies lan8814_latencies = {
> > > -     .rx_10          = 0x22AA,
> > > -     .tx_10          = 0x2E4A,
> > > -     .rx_100         = 0x092A,
> > > -     .tx_100         = 0x02C1,
> > > -     .rx_1000        = 0x01AD,
> > > -     .tx_1000        = 0x00C9,
> > > -};
> > 
> > What are the reset defaults of these? 
> 
> Those are actually the reset values.

Does the driver do a reset, so we can assume the hardware is actually
using these?

      Andrew