linux-kernel - RE: [PATCH net-next 1/1] net: phy: marvell10g: Add WAKE

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Date:   Mon, 16 Aug 2021 03:52:06 +0000
From:   "Song, Yoong Siang" <yoong.siang.song@...el.com>
To:     Russell King <linux@...linux.org.uk>, Andrew Lunn <andrew@...n.ch>
CC:     Marek Behún <kabel@...nel.org>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        "Jakub Kicinski" <kuba@...nel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH net-next 1/1] net: phy: marvell10g: Add WAKE_PHY support
 to WOL event

> > Agreed. If the interrupt register is being used, i think we need this
> > patchset to add proper interrupt support. Can you recommend a board
> > they can buy off the shelf with the interrupt wired up? Or maybe Intel
> > can find a hardware engineer to add a patch wire to link the interrupt
> > output to a SoC pin that can do interrupts.
> 
> The only board I'm aware of with the 88x3310 interrupt wired is the
> Macchiatobin double-shot. :)
> 
> I forget why I didn't implement interrupt support though - I probably need to
> revisit that. Sure enough, looking at the code I was tinkering with, adding
> interrupt support would certainly conflict with this patch.

Hi Russell,

For EHL board, both WoL interrupt and link change interrupt are the same pin.
Based on your knowledge, is this common across other platforms?
Can we take set wol function as one of the ways to control the interrupts?

Regards,
Siang

> 
> --
> RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
> FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!