linux-kernel - [PATCH net-next v6 0/6] dsa: lan9303: Move to PHYLINK

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Message-ID: <20230109211849.32530-1-jerry.ray@microchip.com>
Date:   Mon, 9 Jan 2023 15:18:43 -0600
From:   Jerry Ray <jerry.ray@...rochip.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        "Paolo Abeni" <pabeni@...hat.com>,
        Russell King <linux@...linux.org.uk>, <jbe@...gutronix.de>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Jerry Ray <jerry.ray@...rochip.com>
Subject: [PATCH net-next v6 0/6] dsa: lan9303: Move to PHYLINK

This patch series moves the lan9303 driver to use the phylink
api away from phylib.

Migrating to phylink means removing the .adjust_link api. The
functionality from the adjust_link is moved to the phylink_mac_link_up
api.  The code being removed only affected the cpu port.  The other
ports on the LAN9303 do not need anything from the phylink_mac_link_up
api.

Patches:
 0001 - Whitespace only change aligning the dsa_switch_ops members.
	No code changes.
 0002 - Moves the Turbo bit initialization out of the adjust_link api and
	places it in a driver initialization execution path. It only needs
	to be initialized once, it is never changed, and it is not a
	per-port flag.
 0003 - Adds exception handling logic in the extremely unlikely event that
	the read of the device fails.
 0004 - Performance optimization that skips a slow register write if there
	is no need to perform it.
 0005 - Change the way we identify the xMII port as phydev will be NULL
	when this logic is moved into phylink_mac_link_up.
 0006 - Removes adjust_link and begins using the phylink dsa_switch_ops
	apis.
---
v5->v6:
  - Moved to using port number to identify xMII port for the LAN9303.
v4->v5:
  - Created prep patches to better show how things migrate.
  - cleaned up comments.
v3->v4:
  - Addressed whitespace issues as a separate patch.
  - Removed port_max_mtu api patch as it is unrelated to phylink migration.
  - Reworked the implementation to preserve the adjust_link functionality
    by including it in the phylink_mac_link_up api.
v2->v3:
  Added back in disabling Turbo Mode on the CPU MII interface.
  Removed the unnecessary clearing of the phyvsupported interfaces.
v1->v2:
  corrected the reported mtu size, removing ETH_HLEN and ETH_FCS_LEN

 drivers/net/dsa/lan9303-core.c | xx ++++++++++++--------
 1 file changed