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authorDavid Woodhouse <David.Woodhouse@intel.com>2012-10-09 15:03:21 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-10-09 15:04:25 +0100
commitffe315012510165ce82e4dd4767f0a5dba9edbf7 (patch)
treef601cd980af9d0ced5ca9aedecef4fa0d2ca0e15 /arch/arm/mach-exynos/platsmp.c
parente2d3a35ee427aaba99b6c68a56609ce276c51270 (diff)
parent4a8e43feeac7996b8de2d5b2823e316917493df4 (diff)
Merge tag 'disintegrate-mtd-20121009' of git://git.infradead.org/users/dhowells/linux-headers
UAPI Disintegration 2012-10-09 Conflicts: MAINTAINERS arch/arm/configs/bcmring_defconfig arch/arm/mach-imx/clk-imx51-imx53.c drivers/mtd/nand/Kconfig drivers/mtd/nand/bcm_umi_nand.c drivers/mtd/nand/nand_bcm_umi.h drivers/mtd/nand/orion_nand.c
Diffstat (limited to 'arch/arm/mach-exynos/platsmp.c')
-rw-r--r--arch/arm/mach-exynos/platsmp.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index 36c3984aaa4..f93d820ecab 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -32,19 +32,14 @@
#include <plat/cpu.h>
+#include "common.h"
+
extern void exynos4_secondary_startup(void);
#define CPU1_BOOT_REG (samsung_rev() == EXYNOS4210_REV_1_1 ? \
S5P_INFORM5 : S5P_VA_SYSRAM)
/*
- * 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.
@@ -64,7 +59,7 @@ static void __iomem *scu_base_addr(void)
static DEFINE_SPINLOCK(boot_lock);
-void __cpuinit platform_secondary_init(unsigned int cpu)
+static void __cpuinit exynos_secondary_init(unsigned int cpu)
{
/*
* if any interrupts are already enabled for the primary
@@ -86,7 +81,7 @@ void __cpuinit platform_secondary_init(unsigned int cpu)
spin_unlock(&boot_lock);
}
-int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
+static int __cpuinit exynos_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
unsigned long timeout;
@@ -139,7 +134,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
__raw_writel(virt_to_phys(exynos4_secondary_startup),
CPU1_BOOT_REG);
- gic_raise_softirq(cpumask_of(cpu), 1);
+ gic_raise_softirq(cpumask_of(cpu), 0);
if (pen_release == -1)
break;
@@ -161,7 +156,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
* which may be present or become present in the system.
*/
-void __init smp_init_cpus(void)
+static void __init exynos_smp_init_cpus(void)
{
void __iomem *scu_base = scu_base_addr();
unsigned int i, ncores;
@@ -184,7 +179,7 @@ void __init smp_init_cpus(void)
set_smp_cross_call(gic_raise_softirq);
}
-void __init platform_smp_prepare_cpus(unsigned int max_cpus)
+static void __init exynos_smp_prepare_cpus(unsigned int max_cpus)
{
if (!soc_is_exynos5250())
scu_enable(scu_base_addr());
@@ -198,3 +193,13 @@ void __init platform_smp_prepare_cpus(unsigned int max_cpus)
__raw_writel(virt_to_phys(exynos4_secondary_startup),
CPU1_BOOT_REG);
}
+
+struct smp_operations exynos_smp_ops __initdata = {
+ .smp_init_cpus = exynos_smp_init_cpus,
+ .smp_prepare_cpus = exynos_smp_prepare_cpus,
+ .smp_secondary_init = exynos_secondary_init,
+ .smp_boot_secondary = exynos_boot_secondary,
+#ifdef CONFIG_HOTPLUG_CPU
+ .cpu_die = exynos_cpu_die,
+#endif
+};