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-rw-r--r--arch/mips/cavium-octeon/octeon-irq.c2
-rw-r--r--arch/mips/cavium-octeon/setup.c28
-rw-r--r--arch/mips/cavium-octeon/smp.c4
3 files changed, 30 insertions, 4 deletions
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index 9d36774bded1..25fbfae06c1f 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -1776,7 +1776,7 @@ asmlinkage void plat_irq_dispatch(void)
#ifdef CONFIG_HOTPLUG_CPU
-void fixup_irqs(void)
+void octeon_fixup_irqs(void)
{
irq_cpu_offline();
}
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 48b08eb9d9e4..b212ae12e5ac 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -8,6 +8,7 @@
* written by Ralf Baechle <ralf@linux-mips.org>
*/
#include <linux/compiler.h>
+#include <linux/vmalloc.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/console.h>
@@ -1139,3 +1140,30 @@ static int __init edac_devinit(void)
return err;
}
device_initcall(edac_devinit);
+
+static void __initdata *octeon_dummy_iospace;
+
+static int __init octeon_no_pci_init(void)
+{
+ /*
+ * Initially assume there is no PCI. The PCI/PCIe platform code will
+ * later re-initialize these to correct values if they are present.
+ */
+ octeon_dummy_iospace = vzalloc(IO_SPACE_LIMIT);
+ set_io_port_base((unsigned long)octeon_dummy_iospace);
+ ioport_resource.start = MAX_RESOURCE;
+ ioport_resource.end = 0;
+ return 0;
+}
+core_initcall(octeon_no_pci_init);
+
+static int __init octeon_no_pci_release(void)
+{
+ /*
+ * Release the allocated memory if a real IO space is there.
+ */
+ if ((unsigned long)octeon_dummy_iospace != mips_io_port_base)
+ vfree(octeon_dummy_iospace);
+ return 0;
+}
+late_initcall(octeon_no_pci_release);
diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c
index 138cc80c5928..24a2167db778 100644
--- a/arch/mips/cavium-octeon/smp.c
+++ b/arch/mips/cavium-octeon/smp.c
@@ -255,8 +255,6 @@ static void octeon_cpus_done(void)
/* State of each CPU. */
DEFINE_PER_CPU(int, cpu_state);
-extern void fixup_irqs(void);
-
static int octeon_cpu_disable(void)
{
unsigned int cpu = smp_processor_id();
@@ -267,7 +265,7 @@ static int octeon_cpu_disable(void)
set_cpu_online(cpu, false);
cpu_clear(cpu, cpu_callin_map);
local_irq_disable();
- fixup_irqs();
+ octeon_fixup_irqs();
local_irq_enable();
flush_cache_all();