linux-kernel - Re: [PATCH] net: phy: dp83867: fix irq generation

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Date:   Fri, 06 Jan 2017 15:53:12 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     grygorii.strashko@...com
Cc:     f.fainelli@...il.com, netdev@...r.kernel.org, dmurphy@...com,
        mugunthanvnm@...com, nsekhar@...com, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] net: phy: dp83867: fix irq generation

From: Grygorii Strashko <grygorii.strashko@...com>
Date: Thu, 5 Jan 2017 14:48:07 -0600

> For proper IRQ generation by DP83867 phy the INT/PWDN pin has to be
> programmed as an interrupt output instead of a Powerdown input in
> Configuration Register 3 (CFG3), Address 0x001E, bit 7 INT_OE = 1. The
> current driver doesn't do this and as result IRQs will not be generated by
> DP83867 phy even if they are properly configured in DT.
> 
> Hence, fix IRQ generation by properly configuring CFG3.INT_OE bit and
> ensure that Link Status Change (LINK_STATUS_CHNG_INT) and Auto-Negotiation
> Complete (AUTONEG_COMP_INT) interrupt are enabled. After this the DP83867
> driver will work properly in interrupt enabled mode.
> 
> Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>

Applied.