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>

3 files changed, 5 insertions, 16 deletions

diff --git a/arch/arm/mach-iop32x/Kconfig b/arch/arm/mach-iop32x/Kconfig
index dbe07c9472ed..5e8c6f7dfabb 100644
--- a/arch/arm/mach-iop32x/Kconfig
+++ b/arch/arm/mach-iop32x/Kconfig
@@ -34,14 +34,6 @@ config MACH_N2100
           Say Y here if you want to run your kernel on the Thecus n2100
           NAS appliance.
 
-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.
-
 config MACH_EM7210
         bool "Enable support for the Lanner EM7210"
         help
diff --git a/arch/arm/mach-iop32x/iq31244.c b/arch/arm/mach-iop32x/iq31244.c
index 98cfa1cd6bdb..4a89823bcebb 100644
--- a/arch/arm/mach-iop32x/iq31244.c
+++ b/arch/arm/mach-iop32x/iq31244.c
@@ -178,10 +178,9 @@ static struct hw_pci iq31244_pci __initdata = {
 
 static int __init iq31244_pci_init(void)
 {
-        if (is_ep80219()) {
-                if (iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE)
-                        pci_common_init(&ep80219_pci);
-        } else if (machine_is_iq31244()) {
+        if (is_ep80219())
+                pci_common_init(&ep80219_pci);
+        else if (machine_is_iq31244()) {
                 if (is_80219()) {
                         printk("note: iq31244 board type has been selected\n");
                         printk("note: to select ep80219 operation:\n");
@@ -190,9 +189,7 @@ static int __init iq31244_pci_init(void)
                         printk("\t2/ update boot loader to pass"
                                 " the ep80219 id: %d\n", MACH_TYPE_EP80219);
                 }
-
-                if (iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE)
-                        pci_common_init(&iq31244_pci);
+                pci_common_init(&iq31244_pci);
         }
 
         return 0;
diff --git a/arch/arm/mach-iop32x/iq80321.c b/arch/arm/mach-iop32x/iq80321.c
index 18ad29f213b2..1da3c911edd3 100644
--- a/arch/arm/mach-iop32x/iq80321.c
+++ b/arch/arm/mach-iop32x/iq80321.c
@@ -106,7 +106,7 @@ static struct hw_pci iq80321_pci __initdata = {
         .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        = iq80321_pci_map_irq,
 };