x86: ce4100, irq: Make CE4100 depend on CONFIG_X86_IO_APIC

Intel CE4100 platforms need IOAPIC support becasue some devices are
always connected to the second IOAPIC, so make CONFIG_CE depends on
CONFIG_X86_IO_APIC.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/1402302011-23642-18-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

2 files changed, 3 insertions, 7 deletions

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index a8f749ef0fdc..9df5c453171e 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -429,6 +429,7 @@ config X86_INTEL_CE
         bool "CE4100 TV platform"
         depends on PCI
         depends on PCI_GODIRECT
+        depends on X86_IO_APIC
         depends on X86_32
         depends on X86_EXTENDED_PLATFORM
         select X86_REBOOTFIXUPS
diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c
index 8244f5ec2f4c..0a54a586559b 100644
--- a/arch/x86/platform/ce4100/ce4100.c
+++ b/arch/x86/platform/ce4100/ce4100.c
@@ -135,14 +135,12 @@ static void __init sdv_arch_setup(void)
         sdv_serial_fixup();
 }
 
-#ifdef CONFIG_X86_IO_APIC
 static void sdv_pci_init(void)
 {
         x86_of_pci_init();
         /* We can't set this earlier, because we need to calibrate the timer */
         legacy_pic = &null_legacy_pic;
 }
-#endif
 
 /*
  * CE4100 specific x86_init function overrides and early setup
@@ -155,7 +153,9 @@ void __init x86_ce4100_early_setup(void)
         x86_init.resources.probe_roms = x86_init_noop;
         x86_init.mpparse.get_smp_config = x86_init_uint_noop;
         x86_init.mpparse.find_smp_config = x86_init_noop;
+        x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc_nocheck;
         x86_init.pci.init = ce4100_pci_init;
+        x86_init.pci.init_irq = sdv_pci_init;
 
         /*
          * By default, the reboot method is ACPI which is supported by the
@@ -166,10 +166,5 @@ void __init x86_ce4100_early_setup(void)
          */
         reboot_type = BOOT_KBD;
 
-#ifdef CONFIG_X86_IO_APIC
-        x86_init.pci.init_irq = sdv_pci_init;
-        x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc_nocheck;
-#endif
-
         pm_power_off = ce4100_power_off;
 }