linux-kernel - Re: [PATCH v2 7/7] net: phy: realtek: configure RTL8211E LEDs

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Date:   Wed, 3 Jul 2019 13:43:02 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Douglas Anderson <dianders@...omium.org>
Subject: Re: [PATCH v2 7/7] net: phy: realtek: configure RTL8211E LEDs

On Wed, Jul 03, 2019 at 10:10:32PM +0200, Andrew Lunn wrote:
> > +	for (i = 0; i < count; i++) {
> > +		u32 val;
> > +
> > +		of_property_read_u32_index(dev->of_node,
> > +					   "realtek,led-modes", i, &val);
> 
> Please validate the value, 0 - 7.

ok, will be 0-7 and 0x10000 - 0x10007 (w/ RTL8211E_LINK_ACTIVITY) though.

This is the somewhat quirky part about the property, each value
translates to two registers. This seemed to be the cleanest solution
from the bindings perspective, but I'm open to other suggestions.