Merge branch 'syscore' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspen...

[pandora-kernel.git] / arch / arm / mach-realview / platsmp.c

diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c
index 6959d13..2391922 100644 (file)
--- a/arch/arm/mach-realview/platsmp.c
+++ b/arch/arm/mach-realview/platsmp.c
@@ -10,44 +10,21 @@
  */
 #include <linux/init.h>
 #include <linux/errno.h>
-#include <linux/delay.h>
-#include <linux/device.h>
-#include <linux/jiffies.h>
 #include <linux/smp.h>
 #include <linux/io.h>
 
-#include <asm/cacheflush.h>
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
+#include <asm/smp_scu.h>
 #include <asm/unified.h>
 
 #include <mach/board-eb.h>
 #include <mach/board-pb11mp.h>
 #include <mach/board-pbx.h>
-#include <asm/smp_scu.h>
 
 #include "core.h"
 
-extern void realview_secondary_startup(void);
-
-/*
- * control for which core is the next to come out of the secondary
- * boot "holding pen"
- */
-volatile int __cpuinitdata pen_release = -1;
-
-/*
- * Write pen_release in a way that is guaranteed to be visible to all
- * observers, irrespective of whether they're taking part in coherency
- * or not.  This is necessary for the hotplug code to work reliably.
- */
-static void __cpuinit write_pen_release(int val)
-{
-       pen_release = val;
-       smp_wmb();
-       __cpuc_flush_dcache_area((void *)&pen_release, sizeof(pen_release));
-       outer_clean_range(__pa(&pen_release), __pa(&pen_release + 1));
-}
+extern void versatile_secondary_startup(void);
 
 static void __iomem *scu_base_addr(void)
 {
@@ -62,75 +39,6 @@ static void __iomem *scu_base_addr(void)
                return (void __iomem *)0;
 }
 
-static DEFINE_SPINLOCK(boot_lock);
-
-void __cpuinit platform_secondary_init(unsigned int cpu)
-{
-       /*
-        * if any interrupts are already enabled for the primary
-        * core (e.g. timer irq), then they will not have been enabled
-        * for us: do so
-        */
-       gic_secondary_init(0);
-
-       /*
-        * let the primary processor know we're out of the
-        * pen, then head off into the C entry point
-        */
-       write_pen_release(-1);
-
-       /*
-        * Synchronise with the boot thread.
-        */
-       spin_lock(&boot_lock);
-       spin_unlock(&boot_lock);
-}
-
-int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
-{
-       unsigned long timeout;
-
-       /*
-        * set synchronisation state between this boot processor
-        * and the secondary one
-        */
-       spin_lock(&boot_lock);
-
-       /*
-        * The secondary processor is waiting to be released from
-        * the holding pen - release it, then wait for it to flag
-        * that it has been released by resetting pen_release.
-        *
-        * Note that "pen_release" is the hardware CPU ID, whereas
-        * "cpu" is Linux's internal ID.
-        */
-       write_pen_release(cpu);
-
-       /*
-        * Send the secondary CPU a soft interrupt, thereby causing
-        * the boot monitor to read the system wide flags register,
-        * and branch to the address found there.
-        */
-       smp_cross_call(cpumask_of(cpu), 1);
-
-       timeout = jiffies + (1 * HZ);
-       while (time_before(jiffies, timeout)) {
-               smp_rmb();
-               if (pen_release == -1)
-                       break;
-
-               udelay(10);
-       }
-
-       /*
-        * now the secondary core is starting up let it run its
-        * calibrations, then wait for it to finish
-        */
-       spin_unlock(&boot_lock);
-
-       return pen_release != -1 ? -ENOSYS : 0;
-}
-
 /*
  * Initialise the CPU possible map early - this describes the CPUs
  * which may be present or become present in the system.
@@ -174,6 +82,6 @@ void __init platform_smp_prepare_cpus(unsigned int max_cpus)
         * until it receives a soft interrupt, and then the
         * secondary CPU branches to this address.
         */
-       __raw_writel(BSYM(virt_to_phys(realview_secondary_startup)),
+       __raw_writel(BSYM(virt_to_phys(versatile_secondary_startup)),
                     __io_address(REALVIEW_SYS_FLAGSSET));
 }