From mboxrd@z Thu Jan  1 00:00:00 1970
From: Russell King - ARM Linux <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>
Subject: Re: [RFC v3 11/13] ahci-imx: Don't create a nested
 platform device from probe
Date: Sun, 19 Jan 2014 12:25:40 +0000
Message-ID: <20140119122540.GN15937@n2100.arm.linux.org.uk>
References: <1390088935-7193-1-git-send-email-hdegoede@redhat.com> <1390088935-7193-12-git-send-email-hdegoede@redhat.com>
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To: Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, linux-ide-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Oliver Schinagl <oliver-dxLnbx3+1qmEVqv0pETR8A@public.gmane.org>, Richard Zhu <Hong-Xing.Zhu-KZfg59tc24xl57MIdRCFDg@public.gmane.org>, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
List-Id: devicetree@vger.kernel.org

On Sun, Jan 19, 2014 at 12:48:53AM +0100, Hans de Goede wrote:
> Instead only provide platform_data through of_device_id, like the ahci-sunxi
> driver does.

It looks like the whole of ahci_imx.c (apart from the inclues) is
enclosed in a big ifdef.  You can avoid that by using this in the
Makefile:

> @@ -10,9 +10,8 @@ obj-$(CONFIG_SATA_INIC162X)	+= sata_inic162x.o
>  obj-$(CONFIG_SATA_SIL24)	+= sata_sil24.o
>  obj-$(CONFIG_SATA_DWC)		+= sata_dwc_460ex.o
>  obj-$(CONFIG_SATA_HIGHBANK)	+= sata_highbank.o libahci.o
> -obj-$(CONFIG_AHCI_IMX)		+= ahci_imx.o
>  
> -ahci_plat-objs := ahci_platform.o ahci_sunxi.o
> +ahci_plat-objs := ahci_platform.o ahci_imx.o ahci_sunxi.o

ahci_plat-y := ahci_platform.o ahci_sunxi.o
ahci_plat-$(CONFIG_AHCI_IMX) += ahci_imx.o

-- 
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in database were 13.1 to 19Mbit for a good line, about 7.5+ for a bad.
Estimate before purchase was "up to 13.2Mbit".