From: Heiner Kallweit <hkallweit1@gmail.com>
To: Florian Fainelli <f.fainelli@gmail.com>,
Andrew Lunn <andrew@lunn.ch>, David Miller <davem@davemloft.net>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: [PATCH net-next 0/5] net: phy: improve and simplify phylib state machine
Date: Wed, 7 Nov 2018 20:41:52 +0100 [thread overview]
Message-ID: <922c223b-7bc0-e0ec-345d-2034b796af91@gmail.com> (raw)
This patch series is based on two axioms:
- During autoneg a PHY always reports the link being down
- Info in clause 22/45 registers doesn't allow to differentiate between
these two states:
1. Link is physically down
2. A link partner is connected and PHY is autonegotiating
In both cases "link up" and "aneg finished" bits aren't set.
One consequence is that having separate states PHY_NOLINK and PHY_AN
isn't needed.
By using these two axioms the state machine can be significantly
simplified.
Heiner Kallweit (5):
net: phy: remove useless check in state machine case PHY_NOLINK
net: phy: remove useless check in state machine case PHY_RESUMING
net: phy: add phy_check_link_status
net: phy: remove state PHY_AN
net: phy: use phy_check_link_status in more places in the state machine
drivers/net/phy/phy.c | 172 +++++++++++-------------------------------
include/linux/phy.h | 19 +----
2 files changed, 46 insertions(+), 145 deletions(-)
--
2.19.1
next reply other threads:[~2018-11-08 5:13 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-07 19:41 Heiner Kallweit [this message]
2018-11-07 19:43 ` [PATCH net-next 1/5] net: phy: remove useless check in state machine case PHY_NOLINK Heiner Kallweit
2018-11-07 19:44 ` [PATCH net-next 2/5] net: phy: remove useless check in state machine case PHY_RESUMING Heiner Kallweit
2018-11-07 19:45 ` [PATCH net-next 3/5] net: phy: add phy_check_link_status Heiner Kallweit
2018-11-07 19:46 ` [PATCH net-next 4/5] net: phy: remove state PHY_AN Heiner Kallweit
2018-11-07 19:47 ` [PATCH net-next 5/5] net: phy: use phy_check_link_status in more places in the state machine Heiner Kallweit
2018-11-07 19:48 ` [PATCH net-next 0/5] net: phy: improve and simplify phylib " Andrew Lunn
2018-11-07 20:05 ` Heiner Kallweit
2018-11-07 20:21 ` Andrew Lunn
2018-11-07 20:45 ` Heiner Kallweit
2018-11-08 7:20 ` Heiner Kallweit
2018-11-08 22:58 ` David Miller
2018-11-08 23:00 ` Florian Fainelli
2018-11-08 23:01 ` Andrew Lunn
2018-11-08 23:04 ` David Miller
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