From: Gregory CLEMENT <gregory.clement@bootlin•com>
To: Andrew Lunn <andrew@lunn•ch>
Cc: David Miller <davem@davemloft•net>,
netdev <netdev@vger•kernel.org>,
Vivien Didelot <vivien.didelot@savoirfairelinux•com>,
Gregory Clement <gregory.clement@free-electrons•com>
Subject: Re: [PATCH 0/2] mv88e6xxx: Poll when no interrupt defined
Date: Tue, 27 Feb 2018 11:24:02 +0100 [thread overview]
Message-ID: <87lgfelohp.fsf@bootlin.com> (raw)
In-Reply-To: <1519336713-5417-1-git-send-email-andrew@lunn.ch> (Andrew Lunn's message of "Thu, 22 Feb 2018 22:58:31 +0100")
Hi Andrew,
On jeu., févr. 22 2018, Andrew Lunn <andrew@lunn•ch> wrote:
> Not all boards using the mv88e6xxx switches have the interrupt output
> connected to a GPIO. On these boards phylib has to poll the PHYs,
> rather than use interrupts. Have the driver poll the interrupt status
> register, which is more efficient than having phylib do it. And it
> enables other switch interrupts to be services.
>
> The Armada 370RD is such a board without a interrupt GPIO. Now that
> interrupts work, wire up the PHYs to make use if them.
>
> Gregory: Are you O.K. for the second patch to go through netdev?
Why do you need that the second patch to go through netdev. Is there any
dependency between the 2 patches?
If it is the case does it means that an new kernel won't work with an
old device tree?
Gregory
>
> Andrew Lunn (2):
> net: dsa: mv88e6xxx: Poll when no interrupt defined
> arm: mvebu: 370-rd: Enable PHY interrupt handling
>
> arch/arm/boot/dts/armada-370-rd.dts | 32 ++++++++
> drivers/net/dsa/mv88e6xxx/chip.c | 146 +++++++++++++++++++++++++-----------
> drivers/net/dsa/mv88e6xxx/chip.h | 3 +
> 3 files changed, 138 insertions(+), 43 deletions(-)
>
> --
> 2.15.1
>
--
Gregory Clement, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
http://bootlin.com
next prev parent reply other threads:[~2018-02-27 10:24 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-22 21:58 [PATCH 0/2] mv88e6xxx: Poll when no interrupt defined Andrew Lunn
2018-02-22 21:58 ` [PATCH 1/2] net: dsa: " Andrew Lunn
2018-02-22 21:58 ` [PATCH 2/2] arm: mvebu: 370-rd: Enable PHY interrupt handling Andrew Lunn
2018-02-23 17:32 ` [PATCH 0/2] mv88e6xxx: Poll when no interrupt defined David Miller
2018-02-26 16:29 ` David Miller
2018-02-26 16:50 ` Andrew Lunn
2018-02-27 10:24 ` Gregory CLEMENT [this message]
2018-02-27 14:07 ` Andrew Lunn
2018-02-27 15:42 ` Gregory CLEMENT
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