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Date: Thu, 12 Jan 2017 14:36:27 -0800
From: Tony Lindgren <tony@atomide.com>
To: Jean-Jacques Hiblot <jjhiblot@ti.com>
Cc: bcousson@baylibre.com, linux-omap@vger.kernel.org,
        devicetree@vger.kernel.org, rogerq@ti.com, stable@vger.kernel.org
Subject: Re: [PATCH] ARM: dts: OMAP5 / DRA7: indicate that SATA port 0 is
 available.
Message-ID: <20170112223627.GQ2630@atomide.com>
References: <1483964535-4298-1-git-send-email-jjhiblot@ti.com>
 <20170112223007.GP2630@atomide.com>
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* Tony Lindgren <tony@atomide.com> [170112 14:31]:
> * Jean-Jacques Hiblot <jjhiblot@ti.com> [170109 04:23]:
> > AHCI provides the register PORTS_IMPL to let the software know which port
> > is supported. The register must be initialized by the bootloader. However
> > in some cases u-boot doesn't properly initialize this value (if it is not
> > compiled with SATA support for example or if the SATA initialization fails).
> > The DTS entry "ports-implemented" can be used to override the value in
> > PORTS_IMPL.
> > Adding this entry in the dts allows us no to worry about what is done by
> > the bootloader.
> 
> Adding into omap-for-v4.11/dt thanks.

Actually not applying just yet as I just noticed you tagged this for stable.

Care to describe what breaks and on which devices without this patch?

Regards,

Tony