iop: unconditionally initialize the ATU on platforms known to be 'hosts'

Platforms like iq80321 and iq80331 which may be host-bus-adapters
require 'iop3xx_init_atu=y' to be specified on the kernel command line.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/arch/arm/mach-iop33x/Kconfig b/arch/arm/mach-iop33x/Kconfig
index 45598e0..9aa016b 100644
--- a/arch/arm/mach-iop33x/Kconfig
+++ b/arch/arm/mach-iop33x/Kconfig
@@ -16,14 +16,6 @@
 	  Say Y here if you want to run your kernel on the Intel IQ80332
 	  evaluation kit for the IOP332 chipset.
 
-config IOP3XX_ATU
-	bool "Enable the PCI Controller"
-	default y
-	help
-	  Say Y here if you want the IOP to initialize its PCI Controller.
-	  Say N if the IOP is an add in card, the host system owns the PCI
-	  bus in this case.
-
 endmenu
 
 endif
diff --git a/arch/arm/mach-iop33x/iq80331.c b/arch/arm/mach-iop33x/iq80331.c
index 433188e..de39fd7 100644
--- a/arch/arm/mach-iop33x/iq80331.c
+++ b/arch/arm/mach-iop33x/iq80331.c
@@ -89,7 +89,7 @@
 	.swizzle	= pci_std_swizzle,
 	.nr_controllers = 1,
 	.setup		= iop3xx_pci_setup,
-	.preinit	= iop3xx_pci_preinit,
+	.preinit	= iop3xx_pci_preinit_cond,
 	.scan		= iop3xx_pci_scan_bus,
 	.map_irq	= iq80331_pci_map_irq,
 };
diff --git a/arch/arm/mach-iop33x/iq80332.c b/arch/arm/mach-iop33x/iq80332.c
index 416c095..4904fd7 100644
--- a/arch/arm/mach-iop33x/iq80332.c
+++ b/arch/arm/mach-iop33x/iq80332.c
@@ -89,7 +89,7 @@
 	.swizzle	= pci_std_swizzle,
 	.nr_controllers = 1,
 	.setup		= iop3xx_pci_setup,
-	.preinit	= iop3xx_pci_preinit,
+	.preinit	= iop3xx_pci_preinit_cond,
 	.scan		= iop3xx_pci_scan_bus,
 	.map_irq	= iq80332_pci_map_irq,
 };