From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH] ARM: dts: OMAP5 / DRA7: indicate that SATA port 0 is available. Date: Thu, 12 Jan 2017 14:36:27 -0800 Message-ID: <20170112223627.GQ2630@atomide.com> References: <1483964535-4298-1-git-send-email-jjhiblot@ti.com> <20170112223007.GP2630@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20170112223007.GP2630-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jean-Jacques Hiblot Cc: bcousson-rdvid1DuHRBWk0Htik3J/w@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, rogerq-l0cyMroinI0@public.gmane.org, stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org * Tony Lindgren [170112 14:31]: > * Jean-Jacques Hiblot [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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html