On Tue, 2020-11-24 at 15:37 +, Russell King - ARM Linux admin wrote:
> On Tue, Nov 24, 2020 at 04:17:42PM +0100, Antonio Borneo wrote:
> > On Tue, 2020-11-24 at 14:56 +, Russell King - ARM Linux admin wrote:
> > > Userspace doesn't expect the advertising mask to change beneath it.
> > > Sin
From: Russell King
> Sent: 24 November 2020 15:17
...
> That said, _if_ the PHY has a way to read the resolved state rather
> than reading the advertisement registers, that is what should be
> used (as I said previously) rather than trying to decode the
> advertisement registers ourselves. That is
On Tue, Nov 24, 2020 at 04:17:42PM +0100, Antonio Borneo wrote:
> On Tue, 2020-11-24 at 14:56 +, Russell King - ARM Linux admin wrote:
> > Userspace doesn't expect the advertising mask to change beneath it.
> > Since updates from userspace are done using a read-modify-write of
> > the ksettings
On Tue, 2020-11-24 at 15:17 +, Russell King - ARM Linux admin wrote:
> On Tue, Nov 24, 2020 at 04:03:40PM +0100, Heiner Kallweit wrote:
> > Am 24.11.2020 um 15:38 schrieb Antonio Borneo:
> > > If the auto-negotiation fails to establish a gigabit link, the phy
> > > can try to 'down-shift': it r
Am 24.11.2020 um 16:17 schrieb Antonio Borneo:
> On Tue, 2020-11-24 at 14:56 +, Russell King - ARM Linux admin wrote:
>> On Tue, Nov 24, 2020 at 03:38:48PM +0100, Antonio Borneo wrote:
>>> If the auto-negotiation fails to establish a gigabit link, the phy
>>> can try to 'down-shift': it resets
On Tue, 2020-11-24 at 14:56 +, Russell King - ARM Linux admin wrote:
> On Tue, Nov 24, 2020 at 03:38:48PM +0100, Antonio Borneo wrote:
> > If the auto-negotiation fails to establish a gigabit link, the phy
> > can try to 'down-shift': it resets the bits in MII_CTRL1000 to
> > stop advertising 1
On Tue, Nov 24, 2020 at 04:03:40PM +0100, Heiner Kallweit wrote:
> Am 24.11.2020 um 15:38 schrieb Antonio Borneo:
> > If the auto-negotiation fails to establish a gigabit link, the phy
> > can try to 'down-shift': it resets the bits in MII_CTRL1000 to
> > stop advertising 1Gbps and retries the nego
Am 24.11.2020 um 15:38 schrieb Antonio Borneo:
> If the auto-negotiation fails to establish a gigabit link, the phy
> can try to 'down-shift': it resets the bits in MII_CTRL1000 to
> stop advertising 1Gbps and retries the negotiation at 100Mbps.
>
I see that Russell answered already. My 2cts:
Are
On Tue, Nov 24, 2020 at 03:38:48PM +0100, Antonio Borneo wrote:
> If the auto-negotiation fails to establish a gigabit link, the phy
> can try to 'down-shift': it resets the bits in MII_CTRL1000 to
> stop advertising 1Gbps and retries the negotiation at 100Mbps.
>
> From commit 5502b218e001 ("net:
If the auto-negotiation fails to establish a gigabit link, the phy
can try to 'down-shift': it resets the bits in MII_CTRL1000 to
stop advertising 1Gbps and retries the negotiation at 100Mbps.
>From commit 5502b218e001 ("net: phy: use phy_resolve_aneg_linkmode
in genphy_read_status") the content o
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