[PATCH] ARM: dts: sunxi: Banana Pi: increase startup-delay for the GMAC PHY regulator

Maxime Ripard maxime.ripard at free-electrons.com
Tue Nov 11 09:34:35 PST 2014


On Sun, Nov 09, 2014 at 10:05:26PM +0100, Hans de Goede wrote:
> Hi,
> 
> On 11/09/2014 02:28 PM, Karsten Merker wrote:
> > On the LeMaker Banana Pi, probing the external ethernet PHY connected
> > to the SoC's internal GMAC module sometimes fails.  The PHY power
> > supply is handled via a GPIO-controlled regulator, and the existing
> > regulator startup-delay of 50000us is too short to make sure that the
> > PHY is always fully powered up when it is queried by phylib.  To
> > guarantee a reliable PHY detection, the startup-delay has to be
> > increased to 60000us.
> 
> We should probably just increase it to 100000us to be safe, otherwise:
> 
> Acked-by: Hans de Goede <hdegoede at redhat.com>

Soooo, should I merge it or will there be a v2?

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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