From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: "Marek Behún" <kabel@kernel.org>
Cc: netdev@vger.kernel.org, Andrew Lunn <andrew@lunn.ch>,
Jakub Kicinski <kuba@kernel.org>,
davem@davemloft.net
Subject: Re: [PATCH net 6/6] net: dsa: mv88e6xxx: Link in pcs_get_state() if AN is bypassed
Date: Mon, 29 Nov 2021 23:14:17 +0000 [thread overview]
Message-ID: <YaVeyWsGd06eRUqv@shell.armlinux.org.uk> (raw)
In-Reply-To: <20211129195823.11766-7-kabel@kernel.org>
On Mon, Nov 29, 2021 at 08:58:23PM +0100, Marek Behún wrote:
> static int mv88e6xxx_serdes_pcs_get_state(struct mv88e6xxx_chip *chip,
> - u16 status, u16 lpa,
> + u16 ctrl, u16 status, u16 lpa,
> struct phylink_link_state *state)
> {
> + state->link = !!(status & MV88E6390_SGMII_PHY_STATUS_LINK);
> +
> if (status & MV88E6390_SGMII_PHY_STATUS_SPD_DPL_VALID) {
> - state->link = !!(status & MV88E6390_SGMII_PHY_STATUS_LINK);
> + state->an_complete = !!(ctrl & BMCR_ANENABLE);
I think I'd much rather report the value of BMSR_ANEGCAPABLE - since
an_complete controls the BMSR_ANEGCAPABLE bit in the emulated PHY
that userspace sees. Otherwise, an_complete is not used.
state->link is the key that phylink uses to know whether it can
trust the status being reported.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
next prev parent reply other threads:[~2021-11-29 23:17 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-29 19:58 [PATCH net 0/6] mv88e6xxx fixes (mainly 88E6393X family) Marek Behún
2021-11-29 19:58 ` [PATCH net 1/6] net: dsa: mv88e6xxx: Fix application of erratum 4.8 for 88E6393X Marek Behún
2021-11-29 19:58 ` [PATCH net 2/6] net: dsa: mv88e6xxx: Drop unnecessary check in mv88e6393x_serdes_erratum_4_6() Marek Behún
2021-11-29 19:58 ` [PATCH net 3/6] net: dsa: mv88e6xxx: Save power by disabling SerDes trasmitter and receiver Marek Behún
2021-11-29 23:06 ` Russell King (Oracle)
2021-11-30 0:13 ` Marek Behún
2021-11-29 19:58 ` [PATCH net 4/6] net: dsa: mv88e6xxx: Add fix for erratum 5.2 of 88E6393X family Marek Behún
2021-11-29 19:58 ` [PATCH net 5/6] net: dsa: mv88e6xxx: Fix inband AN for 2500base-x on " Marek Behún
2021-11-29 19:58 ` [PATCH net 6/6] net: dsa: mv88e6xxx: Link in pcs_get_state() if AN is bypassed Marek Behún
2021-11-29 23:14 ` Russell King (Oracle) [this message]
2021-11-30 0:18 ` Marek Behún
2021-11-30 16:09 ` Marek Behún
2021-11-30 16:15 ` Russell King (Oracle)
2021-11-30 16:18 ` Marek Behún
2021-11-30 16:22 ` Russell King (Oracle)
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=YaVeyWsGd06eRUqv@shell.armlinux.org.uk \
--to=linux@armlinux.org.uk \
--cc=andrew@lunn.ch \
--cc=davem@davemloft.net \
--cc=kabel@kernel.org \
--cc=kuba@kernel.org \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.